Describe the flowers of Ampelopsisglandulosavar. brevipedunculata(Maxim.) Momiy.?

Flowering occurs in mid-summer, when greenish to white, inconspicuous flowers develop in small clusters.


What is the common name of LinariavulgarisP. Mill.?


Where can I view images of BrassicarapaL.?


Describe the appearance of ViburnumopulusL.?

Viburnum opulusis a small, perennial, deciduous shrub growing from 6.5-11.5 ft. (2-3.5 m) tall. The bark is light grey to brown when mature. It is native to Europe, northern Africa and northern Asia.


Where can I view images of Stellariamedia(L.) Vill.?


What is the growth habit of DioscoreabulbiferaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for RubusrosifoliusSm.?


Is this plant invasive to the United States?

The following species have been reported to be invasive in natural areas in the United States. Species native to the United States are included when they are invasive in areas well outside their known natural ranges, as a result of human activities.


Does RobiniapseudoacaciaL. pose any ecological threat?

Robinia pseudoacaciais native to the Southern Appalachians, the Ozarks, and other portions of the Midsouth, but is considered an invasive species in the prairie and savanna regions of the Midwest where it can dominate and shade those open habitats.


Describe the fruit of HieraciumglomeratumFroel.?

The dandelion like seedsH. glomeratumof have long hairs to aid in dispersal by wind.


Describe the foliage of PsidiumcattleyanumSabine?

Leaves are opposite, oblong, glossy, entire and up to 3 in. (7.6 cm) long.


Is Setariaparviflora(Poir.) Kerguélen native to the United States?


Describe the appearance of smooth brome?

Bromus inermisis a perennial grass that is 1-3.5 ft. (0.3-1.1 m) tall.


Is Heterocentronsubtriplinervium(Link & Otto) A. Braun & Bouché native to the United States?


Is little quakinggrass native to the United States?


What is the growth habit of Alnusglutinosa(L.) Gaertn.?


Where can I view images of coral ardisia?


What is the scientific name of japanese maple?


Describe the flowers of Linariadalmatica(L.) P. Mill.?

Flowering occurs in May-September, when bright yellow, snapdragon-like flowers develop. Flowers, including the spur, are 1.4-2 in. (3.5-5 cm) long and occur in racemes at the apex of the stems.


What is the growth habit of monterey cypress?


What is the U.S. Department of Agriculture (USDA) plant symbol for thunberg's meadowsweet?


What is the scientific name of southern brassbuttons?


Describe the appearance of Limnophilasessiliflora(Vahl) Blume?

Limnophila sessiliflorais a rooted, aquatic, perennial, herbaceous plant that grows up to 12 ft (3.7 m) tall. It is fast growing, grows new plants from fragments, and can exist in a variety of aquatic habitats.


Describe the flowers of AcerplatanoidesL.?

The flowers appear in April and May and are yellow-green in color. They are borne in erect, pedunculate, rounded corymbs. Each flower is 0.25 in. (5-6 mm) wide.


Is this plant invasive to the United States?


Describe the appearance of HypericumcanarienseL.?

Hypericum canarienseis a perennial shrub that can grow up to 9.8 ft. (3 m) tall.


What is the growth habit of amur corktree?


Is Coincyamonensis(L.) Greuter & Burdet native to the United States?


What is the common name of EuphorbialathyrisL.?


What is the growth habit of OrobancheminorSmith?


What is the growth habit of HederacanariensisWilld.?


What is the common name of CynosurusechinatusL.?


Is star-mustard native to the United States?


Where can I view images of american burnweed?


Is UlmuspumilaL. native to the United States?


What is the growth habit of CentaureamelitensisL.?


What is the growth habit of Ventenatadubia(Leers) Coss. & Durieu?


What is the U.S. Department of Agriculture (USDA) plant symbol for Polycarpontetraphyllum(L.) L.?


What is the U.S. Department of Agriculture (USDA) plant symbol for StellariagramineaL.?


Is Cajanuscajan(L.) Millsp. native to the United States?


Flowering occurs in late spring to late summer, when very abundant, white flowers develop at the end of branches in 5-8 in. (12.7-20 cm) long clusters.


Is largeflower mexican clover native to the United States?


What is the growth habit of perennial pepperweed?


What is the growth habit of northern catalpa?


Describe the foliage of asiatic dayflower?

The leaves are lanceolate to ovate-lanceolate, 1.2-3.5 in. (3–9 cm) long and 0.6-0.8 in. (1.5–2 cm) wide.


Is this plant invasive to the United States?


What is the common name of Anthoxanthumodoratumssp. odoratumL.?


Is miniature beefsteakplant native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for PassifloraligularisJuss.?


Describe the flowers of CentaureacalcitrapaL.?

Flowering occurs from July to October, when purple to pink blooms develop at the ends of the stems. Floral bracts are tipped with 1 in. (2.5 cm) long, straw colored spines.


What is the invasive/noxious status of english ivy and where is it classified as such?

Category 1 (Alabama), Invasive (Delaware), Invasive (North Carolina)


What is the U.S. Department of Agriculture (USDA) plant symbol for Colubrinaasiatica(L.) Brongn.?


What is the scientific name of meadow foxtail?


What is the scientific name of english daisy?


What is the U.S. Department of Agriculture (USDA) plant symbol for japanese spiraea?


What is the U.S. Department of Agriculture (USDA) plant symbol for HibiscustrionumL.?


What is the growth habit of Euphorbiaesulavar. esulaL.?


Is Kunzeaericoides(A. Rich.) J. Thomp. native to the United States?


Where can I view images of FicuscaricaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for SpathodeacampanulataBeauv.?


What is the scientific name of monterey cypress?


Describe the fruit of LactucaserriolaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for LantanacamaraL.?


Where can I view images of AnagallisarvensisL.?


What is the growth habit of jaraguagrass?


What is the U.S. Department of Agriculture (USDA) plant symbol for rock rose?


Is japanese pagoda tree native to the United States?


Is this plant invasive to the United States?


Leaves are alternate, thick, dark green, glossy, wavy, 1-3 in. (2.5-7.6 cm) long with sharp stout spines.


What is the growth habit of wild garlic?


What is the growth habit of LoliumperenneL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for red sorrel?


What is the U.S. Department of Agriculture (USDA) plant symbol for forest redgum?


Where can I view images of TamarixramosissimaLedeb.?


Where can I view images of Acaenanovae-zelandiaeKirk?


What is the U.S. Department of Agriculture (USDA) plant symbol for tara vine?


Where can I view images of field pepperweed?


What is the U.S. Department of Agriculture (USDA) plant symbol for bur buttercup?


What is the U.S. Department of Agriculture (USDA) plant symbol for Populusx canescens(Ait.) Sm. (pro sp.) [alba × tremula]?


Is rabbitfoot clover native to the United States?


Is ViciagrandifloraScop. native to the United States?


Describe the fruit of japanese barberry?

The berries ripen to a bright red color and are 0.25-0.3 in. (7-10 mm) long.


What is the U.S. Department of Agriculture (USDA) plant symbol for redroot pigweed?


Where can I view images of ClematisorientalisL.?


Is Chenopodiumambrosioidesvar. ambrosioidesL. native to the United States?


Describe the foliage of LigustrumovalifoliumHassk.?

Leaves are elliptic-ovate to elliptic-oblong, 1.2-2.4 in. (3-6 cm) long, acute, broad-cuneate, dark lustrous green above, yellowish green below. Petioles are 0.12-0.16 in. (3-4 mm) long.


What is the common name of Potentillaindica(Andr.) Wolf?


The inflorescence is pyramidal and reddish in color--hence the common name of redtop. Flowers are yellow in color and bloom mid-spring.


What is the U.S. Department of Agriculture (USDA) plant symbol for showy buttercup?


Where can I view images of PoatrivialisL.?


Describe the foliage of garden loosestrife?

The leaves of this plant are opposite or whorled. They have small glands that are black or orange in color and soft hairs beneath. They are lanceolate to laceolate-ovate in shape, 2.75-4.75 in. (7-12 cm) in length and 0.6-1.5 in. (1.5-4 cm) in width. The middle and upper leaves have short petioles and are acuminate.


It has small yellow flower petals and blooms from about May to July.


What is the U.S. Department of Agriculture (USDA) plant symbol for coral vine?


What is the U.S. Department of Agriculture (USDA) plant symbol for Manilkarazapota(L.) van Royen?


What is the growth habit of Sphagneticolatrilobata(L.C. Rich.) Pruski?


Is PhleumpratenseL. native to the United States?


Green, inconspicuous, apetalous (without petals) flowers develop, in drooping clusters, in the spring.


Is this plant invasive to the United States?

The following species have been reported to be invasive in natural areas in the United States. Species native to the United States are included when they are invasive in areas well outside their known natural ranges, as a result of human activities.


Describe the appearance of bluebuttons, field scabious?

Knautia arvensisis a tall hairy perennial herbaceous plant that grows to about 4 ft (1.3 m) tall. It has a long taproot and tends to form clumps.K. arvensisis native to Europe and temperate Asia. It was introduced for use as an ornamental and has escaped cultivation.


What is the common name of HederahelixL.?


Where can I view images of Euonymusfortunei(Turcz.) Hand.-Maz.?


What is the growth habit of UlmuspumilaL.?


What is the common name of AlliumsativumL.?


Where can I view images of glossy shower?


Is VincamajorL. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for rush skeletonweed?


Describe the appearance of border privet?

Ligustrum obtusifoliumis a woody, perennial, semi-deciduous shrub that grows to 10 ft. (3 m) in height. It is many stemmed and has pubescent branchlets.


What is the scientific name of tall morning-glory?


What is the growth habit of Lepidiumdraba(L.) Desv?


What is the U.S. Department of Agriculture (USDA) plant symbol for ClinopodiumvulgareL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for crowndaisy?


Is damask rose native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for shortpod mustard?


Is alpine knapweed, tyrol knapweed native to the United States?


Where can I view images of bluebuttons, field scabious?


What is the growth habit of mouse-eared hawkweed?


Where can I view images of yellow woodsorrel?


Describe the flowers of common valerian?

Valeriana officinalishas fragrant, white or pale pink flowers that are arranged in umbels. Each flower measures 0.2 in. (4 mm) long. Flowers bloom from June to August.


Where can I view images of common bamboo?


What is the common name of Sorghumbicolorssp. drummondii(Nees ex Steud.) de Wet & Harlan?


What is the U.S. Department of Agriculture (USDA) plant symbol for spreading hedgeparsley?


Mature seeds are shiny black and produced in erect, slender green pods which turn pale brown when mature.


Is narrow swordfern native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for squill?


Is winter-flowering cherry native to the United States?


Is this plant invasive to the United States?


Is long's sedge native to the United States?


Is silver wattle native to the United States?


What is the common name of PortulacaoleraceaL.?


Describe the appearance of porcelain-berry?

Ampelopsis glandulosa var. brevipedunculatahas become a serious invader of the eastern United States and closely resembles native species of grape. It is a deciduous, woody vine that climbs to heights of more than 20 ft. (6.1 m). These branched tendril-bearing, woody vines (native grapes have unbranched tendrils) have lenticels and white piths that are continuous across the nodes. Bark is ridged and furrowed, whereas native grape bark is shredded.


Is northern catalpa native to the United States?


Fruits are very small, and single-seeded.


Leaves are alternate, 3-10 in. (7.6-25.4 cm) long and 0.25-0.75 in. (0.6-1.9 cm) wide.


What is the growth habit of balsam poplar?


What is the growth habit of crowfootgrass?


What is the U.S. Department of Agriculture (USDA) plant symbol for london rocket?


Describe the fruit of CynaracardunculusL.?

Fruits are white to brownish, cylindrical, compressed with many stiff bristles, 1-1.5 in. (2.5-3.8 cm), plumose below, and attached at base.


What is the common name of Sacciolepisindica(L.) Chase?


Where can I view images of hairy indian mallow?


Is AgrostiscapillarisL. native to the United States?


Describe the appearance of japanese dodder?

Cuscuta japonicais an annual, parasitic vine that has recently been introduced into the United States. It is listed as a Federal Noxious Weed.


What is the common name of RosalaevigataMichx.?


Where can I view images of IrispseudacorusL.?


Describe the fruit of RosamultifloraThunb.?

Fruit are small, red rose hips that remain on the plant throughout the winter. Birds and other wildlife eat the fruit and disperse the seeds.


Describe the foliage of common pokeweed?

Leaves are large, alternately arranged, smooth, elliptical, and range from 5-20 in. (12.7-50.8 cm) in length. The underside of the leaves, the stems, and the veins are a pink color.


Where can I view images of thunberg's geranium?


What is the U.S. Department of Agriculture (USDA) plant symbol for Rumexcrispusssp. crispusL.?


Is this plant invasive to the United States?


Where can I view images of strawberry guava?


Does UrenalobataL. pose any ecological threat?

Urena lobatainvades disturbed areas, pastures, eroded areas, and perennial crop plantations.Urena lobatatolerates salt spray but does not grow in saturated soils. Having an aggressive habit, this weed grows rapidly and can reach 2-7 ft. (0.6-2.1 m) by the end of the first year.


Is RanunculusbulbosusL. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for PinuspinasterSoland., non Ait.?


Where can I view images of weeping lovegrass?


What is the U.S. Department of Agriculture (USDA) plant symbol for SolanumpseudocapsicumL.?


What is the invasive/noxious status of RubusphoenicolasiusMaxim. and where is it classified as such?

Invasive (Delaware), Invasive, Prohibited (Connecticut), Prohibited (New York), Prohibited (Wisconsin)


What is the U.S. Department of Agriculture (USDA) plant symbol for LactucaserriolaL.?


What is the scientific name of celandine?


Where can I view images of barnyardgrass?


Is laurel willow native to the United States?


What is the growth habit of canada bluegrass?


What is the growth habit of giant chickweed?


What is the U.S. Department of Agriculture (USDA) plant symbol for TamarixafricanaPoir.?


What is the U.S. Department of Agriculture (USDA) plant symbol for HelichrysumpetiolareHilliard & Burtt?


What is the growth habit of wavyleaf basketgrass?


Describe the appearance of bristly locust?

Robinia hispidais a deciduous shrub, to 8 ft. The multiple stems are erect and covered with dense bristles. Caution: All parts of this plant are poisonous. It is native to the southeastern United States.


What is the common name of CestrumnocturnumL.?


Is this plant invasive to the United States?


What is the growth habit of AgrostisstoloniferaL.?


What is the growth habit of Cynodondactylon(L.) Pers?


What is the U.S. Department of Agriculture (USDA) plant symbol for yellow devil hawkweed?


Rosette leaves are lanceolate to oblanceolate and stem leaves are opposite, lanceolate and fused at the base. All leaves have short prickles on the midvein.


Where can I view images of lady's-mantle?


What is the scientific name of stinknet?


The following species have been reported to be invasive in natural areas in the United States. Species native to the United States are included when they are invasive in areas well outside their known natural ranges, as a result of human activities.


What is the growth habit of meadow hawkweed?


What is the growth habit of ArundodonaxL.?


Is Thinopyrumjunceiforme(A. Löve & D. Löve) A. Löve native to the United States?


What is the scientific name of perennial pepperweed?


What is the scientific name of elkhorn fern?


Describe the foliage of crested floating heart?

Nymphoides cristatahas a single heart-shaped leaf with smooth margins, cordate base, and short petiole at the tip of each stem.


Where can I view images of east indian crabgrass?


Where can I view images of woodland forget-me-not?


Is WashingtoniarobustaH. Wendl. native to the United States?


What is the scientific name of yellow starthistle?


Does ButomusumbellatusL. pose any ecological threat?

This plant spreads mostly from rhizomes and occurs in wet areas with muddy soil, such as freshwater marshlands, lakes and streams.Butomus umbellatuscan displace native riparian vegetation. It can form dense stands which are an obstacle to boat traffic. It is tolerant of a wide range of temperatures which gives it the potential to invade across much of the United States.Butomus umbellatusis native to Eurasia and was first found in Canada in the late 1800’s and in the United States in the early 1900’s.


Is hairy pepperweed native to the United States?


Does SaponariaofficinalisL. pose any ecological threat?

Saponaria officinalishas widely naturalized and sometimes becomes a troublesome weed. It may persist for years about abandoned home sites and invades waste places, stream sides, fields and roadsides. Because of its saponin content, the species can be poisonous upon ingestion.


What is the growth habit of PhyllanthusurinariaL.?


Describe the flowers of GaleopsistetrahitL.?

The flowers are borne in terminal clusters or axillary clusters. They can vary in color from purple to pink to white, are 0.5-0.75 in (1.3-1.9 cm) long and bilaterally symmetrical.


What is the U.S. Department of Agriculture (USDA) plant symbol for common pokeweed?


Describe the foliage of EuphorbiaesulaL.?

Leaves are lance shaped, smooth and 1-4 in. (2.5-10.2 cm) long. They are arranged alternately along the stem, becoming shorter and more ovate towards the top of the stem.


Is this plant invasive to the United States?


Where can I view images of SisymbriumirioL.?


Does chocolate vine pose any ecological threat?

Akebia quinatais able to invade forested habitats because it is shade tolerant. The dense mat of vines formed can displace native understory species. It can also climb into, smother, and kill small trees and shrubs.Akebia quinatais native to eastern Asia and was first introduced into the United States in 1845 as an ornamental.


What is the growth habit of smooth sumac?


The leaves are oblong and prickly, being toothed or slightly lobed along the margins. The apex of the leaf is acute. The leaves are mostly sessile, with some of the lower leaves having petioles. The blades of the lower leaves can measure up to 1 ft. (30 cm) long. Since this plant is a biennial, only the basal rosette of leaves is present in the first year of its growth.


What is the U.S. Department of Agriculture (USDA) plant symbol for octopus tree?


What is the U.S. Department of Agriculture (USDA) plant symbol for Pentaglottissempervirens(L.) Tausch ex L.H. Bailey?


Describe the flowers of iberian starthistle?

Flower heads are purple with straw-colored spine-like bracts over 1 in. (2.5 cm) in length.


Is purple crown-vetch native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Cayratiajaponica(Thunb.) Gagnepain?


What is the U.S. Department of Agriculture (USDA) plant symbol for AegilopscylindricaHost?


What is the U.S. Department of Agriculture (USDA) plant symbol for AlbiziajulibrissinDurazz.?


Where can I view images of washington fan palm?


Describe the appearance of crested floating heart?

Nymphoides cristatais an herbaceous aquatic plant with floating stems from a buried rootstock. Slender tuberous roots dangle from the stem-leaf node.


What is the scientific name of biddy-biddy?


What is the growth habit of IndigoferasuffruticosaP. Mill.?


Is Ailanthusaltissima(P. Mill.) Swingle native to the United States?


Describe the appearance of DigitalislanataEhrh.?

Digitalis lanatais perennial herbaceous plant that grows from 2-5 ft. (0.6-1.5 m) tall. It is a species of foxglove. There are wooly hairs on the purple tinged stem.D. lanatais native to temperate Asia and much of Europe.


What is the U.S. Department of Agriculture (USDA) plant symbol for small hop clover?


Is shepherd's-purse native to the United States?


Describe the fruit of SolanumviarumDunal?

Fruit are 1 in. (2.5 cm) in diameter and resemble a watermelon.


Is this plant invasive to the United States?


Describe the appearance of EuphorbiamyrsinitesL?

Euphorbia myrsinitesis a perennial or biennial herb that usually grows between 6-12 in. (15.2-30.5 cm) tall.


Is river sheoak native to the United States?


Does tumble mustard pose any ecological threat?

Sisymbrium altissimumwas first seen in the United States in 1878 in Philadelphia; seeds were probably introduced accidentally in ship ballast. Plants invade fields, open forests, and other disturbed open areas.


What is the U.S. Department of Agriculture (USDA) plant symbol for Alchemillamollis(Buser) Rothm.?


What is the scientific name of meadow fescue?


What is the U.S. Department of Agriculture (USDA) plant symbol for johnsongrass?


Is Setariapumila(Poir.) Roemer & J.A. Schultes native to the United States?


What is the growth habit of chinese yam?


What is the growth habit of fivehook bassia?


What is the growth habit of ArtemisiaabsinthiumL.?


What is the growth habit of benghal dayflower?


Describe the appearance of IpomoeaaquaticaForssk.?

Ipomoea aquaticais an annual herb. It can be a procumbent terrestrial in wetland areas or a floating aquatic. The thick hollow stems root at the nodes. Stems are slightly swollen above the nodes. It is native to temperate and tropical Asia, Africa, and Australia. It is used as a pot herb in some regions.


Describe the foliage of japanese chaff flower?

Ovate-elliptic leaves are opposite and simple. Margins are entire and repand (slightly wavy). The base of the leaf is tapering and the apex is acute to acuminate.


What is the scientific name of calla lily?


What is the U.S. Department of Agriculture (USDA) plant symbol for FrangulaalnusMill.?


Is european privet native to the United States?


Is this plant invasive to the United States?


What is the common name of GalegaofficinalisL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for long's sedge?


What is the scientific name of corn buttercup?


Ligustrum spp.are deciduous, semi-evergreen, or evergreen shrubs and small trees in the Oleaceae (olive family). There are approximately 50 Ligustrum species that are native to Europe, North Africa, and Asia. Ligustrum spp. have been cultivated and developed into several horticultural varieties, and were introduced to North America as a common hedge in landscaping. Some Ligustrum spp. can grow to 5 m tall and have a stem diameter of 2.5-25 cm. Ligustrum spp. bark is whitish-tan to gray in color and smooth in texture. Slender twigs are straight, rounded or four-angled below the nodes, and gray-green in color. Winter buds are ovoid with two outer scales. Terminal buds are present.


Describe the foliage of denseflower cordgrass?

Leaf (blade) margins in-rolled, 1/8 to 1/3 inches wide at the base. Blade at a 15-35 degree angle to the stem. Internodes firm.


Is smooth bedstraw native to the United States?


Is Nothoscordumgracile(Aiton) Stearn native to the United States?


Describe the fruit of GypsophilapaniculataL.?

Fruit capsules are spherical to oblong and release several seeds. Seeds are black, 0.04-0.08 in. (1-2 mm) long, disc- to bean-shaped.


Where can I view images of Pithecellobiumdulce(Roxb.) Benth.?


The following species have been reported to be invasive in natural areas in the United States. Species native to the United States are included when they are invasive in areas well outside their known natural ranges, as a result of human activities.


Describe the foliage of HumulusjaponicusSiebold & Zucc.?

Leaves are opposite, rough, 2-5 in. (5-13 cm) long, 5-9 lobed with toothed margins. Most leaves will have five lobes, but the upper leaves may only have three.


Does HelianthusciliarisDC. pose any ecological threat?

H. ciliarisgrows along roadsides, ditches, cultivated fields and open drainage areas. It can spread aggressively, especially in cultivated fields. The creeping rhizomes ofH. ciliarisallow it to form extensive colonies.


What is the common name of Plucheaindica(L.) Less.?


Is SolanumpimpinellifoliumJusl. native to the United States?


Is SeneciolinearifoliusA.Rich. native to the United States?


Where can I view images of japanese pagoda tree?


Does creeping bellflower pose any ecological threat?

C. rapunculoidesis seen invading fields, stream banks, woodlands, woodland edges, prairies, roadsides, urban areas, and oak savannas. It is weedy and aggressive, creating monoculture stands through high seed production and multiple rhizomes. It is very similar in appearance to several native Campanula species such as Harebell,Campanula rotundifolia. Some native violets have leaves which are so similar that it is a good idea to wait for the flowers to emerge, before identifying theC. rapunculoidesfor removal.


Is Colubrinaasiatica(L.) Brongn. native to the United States?


Is common viper's bugloss, blueweed native to the United States?


Is bittersweet nightshade native to the United States?


What is the growth habit of Hordeummurinumssp. leporinum(Link) Arcang.?


What is the U.S. Department of Agriculture (USDA) plant symbol for white-flowered spiderwort?


What is the growth habit of BrassicatournefortiiGouan?


What is the invasive/noxious status of goldenrain tree and where is it classified as such?


Is Erechtitesminimus(Poir.) DC native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Jasminummultiflorum(Burm. f.) Andr.?


What is the U.S. Department of Agriculture (USDA) plant symbol for largeflower mexican clover?


Describe the foliage of Sorghumhalepense(L.) Pers.?

The 2 ft. (0.6 m) long, lanceolate leaves are arranged alternately along a stout, hairless, somewhat upward branching stem and have distinct, white midribs.


What is the growth habit of swampmahogany?


What is the U.S. Department of Agriculture (USDA) plant symbol for threeflower beggarweed?


What is the U.S. Department of Agriculture (USDA) plant symbol for coral ardisia?


Is this plant invasive to the United States?


What is the common name of Murdanniakeisak(Hassk.) Hand.-Maz.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Firmianasimplex(L.) W. Wight?


What is the common name of Kunzeaericoides(A. Rich.) J. Thomp.?


What is the common name of TrifoliumincarnatumL.?


Is arabian jasmine native to the United States?


Describe the appearance of sweet breath of spring?

Lonicera fragrantissimais a multi-stemmed, upright, deciduous (evergreen in the South) shrub that grows from 6-10 ft. (1.8-3 m) tall. The stems are solid and continuous, white pith, has stringy, tan bark and are often purple when young.


Leucaena leucocephalais a prolific seed producer. The dark brown seed pods are flat, roughly 4-6 in. (10-15 cm) long, with about 20 seeds. Seeds are glossy brown, oval, flat, 0.24 in. (6 mm) long.


The fruit is characteristic of a legume. The pod is oblong, flat and truncate shaped, roughly 1.5-2 in. (3.8-5 cm) long. This seedpod curls back when it opens, revealing the seeds. The seeds are small, brilliant red with a black spot.


Does black henbane pose any ecological threat?

Hyoscyamus nigeris native to the Mediterranean and is poisonous to most mammals. It has been used medicinally for hundreds of years.


Flowering occurs in late spring to summer, when small, 4-petaled, yellow to white flowers develop in groups at the apex of the stems.


Is Lactucatatarica(L.) C.A. Mey. native to the United States?


What is the growth habit of mediterranean sage?


Describe the flowers of RaphanussativusL.?

The flowers are a white with purple. They are in season from April to June and from October to January in most parts of North America.


Where can I view images of creeping waterprimrose?


What is the scientific name of common selfheal?


Does johnsongrass pose any ecological threat?

Sorghum halepenseis adapted to a wide variety of habitats including open forests, old fields, ditches and wetlands. It spreads aggressively and can form dense colonies which displace native vegetation and restrict tree seedling establishment.Sorghum halepensehas naturalized throughout the world, but it is thought to be native to the Mediterranean region. It was first introduced into the United States in the early 1800s as a forage crop.


Where can I view images of musk thistle, nodding thistle?


Where can I view images of Lepidiumcampestre(L.) Ait. f.?


Is creeping beggarweed native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for calla lily?


Is Alchemillamollis(Buser) Rothm. native to the United States?


What is the growth habit of AllamandacatharticaL.?


What is the common name of VerbenabonariensisL.?


Is this plant invasive to the United States?


What is the common name of CordiacollococcaL.?


What is the common name of LigustrumquihouiCarr.?


What is the U.S. Department of Agriculture (USDA) plant symbol for california satintail?


What is the scientific name of showy fly honeysuckle, bell's honeysuckle?

Lonicerax bellaZabel [morrowii × tatarica]


Describe the foliage of old world climbing fern?

Vines are thin, wiry, and remain green throughout winter. The fronds (leaves of a fern) are opposite, singly compound, 2-5 in. (5-12.7 cm) long with thick, usually unlobed leaflets. Fertile fronds have lobes around the margin, where sporangia are covered with rolled leaf tissue. It has two types of leaflets on its climbing leaf. The leaflet with the simple (unlobed) outline is a normal vegetative leaflet. The more convoluted leaflet has sporangia along its margin.


Does AmbrosiatomentosaNutt. pose any ecological threat?

A. tomentosais considered a serious cropland weed. It spreads both by seed and creeping roots, keeping primarily on, but not limited to, dry or poorly drained sites.A. tomentosacan be found growing in cultivated fields, pastures, prairies, and waste areas.


What is the scientific name of crimson fountaingrass?


What is the U.S. Department of Agriculture (USDA) plant symbol for high mallow?


What is the growth habit of gray sheoak?


Does japanese privet pose any ecological threat?

Ligustrum japonicumcommonly forms dense thickets in fields or forest understories. It shades and out-competes many native species, and once established is very difficult to remove. Privet was introduced into the United States in the early 1800s. It is commonly used as an ornamental shrub and for hedgerows. Several privet species occur and they are very hard to distinguish.Ligustrum japonicumis sometimes set apart by the thickness and glossiness of the leaves. Glossy privet (L. lucidum) also has thick, glossy leaves, but the leaves are usually larger (3-6 in. [5-15 cm] long).


What is the U.S. Department of Agriculture (USDA) plant symbol for bristletips?


What is the U.S. Department of Agriculture (USDA) plant symbol for AgrostisavenaceaJ.F. Gmel.?


Describe the foliage of hairy indian mallow?

Leaves are heart shaped. Leaf blades are ovate to orbicular, from 3-7 in. (8-18 cm) long with dentate margins. The apex is acuminate and the base is deeply cordate with the lobes often overlapping. The petiole ranges from 2-4 in. (5-10 cm) long.


Where can I view images of knotroot foxtail?


The following species have been reported to be invasive in natural areas in the United States. Species native to the United States are included when they are invasive in areas well outside their known natural ranges, as a result of human activities.


What is the scientific name of common st. paul's wort?


Where can I view images of castor aralia?


Describe the foliage of european waterstarwort?

Its leaves are opposite, entire and somewhat diverse in form, depending on whether they are submerged or floating. The floating leaves are spatulate-obovate in shape, have 5 to 7 veins, are 0.12-0.31 in. (3-8 mm) wide and up to 0.79 in. (2 cm) long. The submerged leaves are typically linear, have a single vein and grow 0.16-0.39 in. (4-10 mm) in length; however, they can also be broader and more closely resemble the floating leaves.


What is the growth habit of small carpetgrass, joint-head grass?


Fruits are multiple-seeded berries. They can range in color from black to pink or even white when ripe.


What is the scientific name of madagascar rubbervine?


Is white-flowered spiderwort native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for thymeleaf speedwell?


Describe the foliage of CrupinavulgarisCass.?

Leaves are entire to finely dissected (leaves become more divided towards the apex) and up to 6 in. (15.2 cm) long.Crupina vulgarisbegins as a basal rosette and eventually develops alternating dissected leaves that are rough to the touch.


Is this plant invasive to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for carolina fanwort, fanwort?


What is the invasive/noxious status of common barberry and where is it classified as such?

Invasive, Prohibited (Connecticut), Prohibited (Wisconsin)


What is the U.S. Department of Agriculture (USDA) plant symbol for RubusidaeusL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for trumpet creeper?


Is RhizophoramangleL. native to the United States?


Describe the foliage of AcaciamelanoxylonR. Br. ex Ait. f.?

The leaves are bipinnate on seedlings. In mature trees coppice shoots usually become phyllodes. Phyllodes onAcacia melanoxylonare about 3-4 in. (7-10 cm) long. Foliage starts out greyish turning dark dull-green as it matures. The leaves are straight to slightly curved, with 3-7 prominent longitudinal veins and fine net-veins between.


Describe the appearance of Cenchruslongispinus(Hack.) Fern?

Cenchrus longispinusis an annual grass with conspicuous burs along the seedhead. Sheaths may reach 20 in. (51 cm) in height.C. longispinusstems are somewhat flattened and hairless and has a fibrous root system.C. longispinusis native to North America, Mexico and South America.


Is Viciacraccassp. craccaL. native to the United States?


Does Euonymusfortunei(Turcz.) Hand.-Maz. pose any ecological threat?

Euonymus fortuneiis a vigorous vine that invades forest openings and margins. It grows across the ground, displacing herbaceous plants and seedlings and climbs trees high into the tree canopy by clinging to the bark. Forest openings, caused by wind, insects or fire are especially vulnerable to invasion.Euonymus fortuneihas been reported to be invasive in natural areas in most of the states in the eastern half of the U.S. It can tolerate a broad range of environmental conditions ranging from full sun to deep shade, and acidic to basic and low nutrient soils, but it does not grow well in heavy wet soils. Look-alikes are the native Partridge berry (Mitchella repens) and the invasive Japanese honeysuckle (Lonicera japonica) and common periwinkle (Vinca minor).


What is the invasive/noxious status of Sesbaniapunicea(Cav.) Benth. and where is it classified as such?


What is the U.S. Department of Agriculture (USDA) plant symbol for deptford pink?


Where can I view images of annual bluegrass?


Describe the flowers of MedicagolupulinaL.?

Flowers are yellow and usually clustered in groups of 15-50 flowers blooming from April to August. Each flower is about 0.13 in. (0.32 cm) long and each cluster is about 0.25 in. (0.64 cm) across.


Is violet crabgrass native to the United States?


What is the growth habit of Strigaasiatica(L.) Kuntze?


Describe the flowers of MyriophyllumheterophyllumMichx.?

Flowering occurs from June to September. Flowers are emergent on 2-12 in. (5.1-30.5 cm), green to reddish stalks. Petals are less than 0.1 in. (3 mm) in length and are subtended by downward curved bracts.


What is the common name of CuscutajaponicaChoisy?


What is the scientific name of field madder?


What is the scientific name of hawkweeds?


What is the growth habit of pale yellow iris, yellow flag iris?


What is the scientific name of japanese yew?


What is the growth habit of japanese wisteria?


Is this plant invasive to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for HaematoxylumcampechianumL.?


Does small philippine acacia pose any ecological threat?

Acacia confusacan form monocultures and it has proven to be an invasive problem in some islands after introduction.


What is the common name of DesmodiumincanumDC.?


Leaves are spine-like and 0.25-0.75 in. (0.6-1.9 cm) long. Mature shrubs have 1 in. (2.5 cm) long spines on the branches.


Where can I view images of HunnemanniafumariifoliaSweet?


Describe the foliage of UlexeuropaeusL.?


Where can I view images of Sennaseptemtrionalis(Viviani) Irwin & Barneby?


Where can I view images of PrunuscerasusL.?


What is the growth habit of VincaminorL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for birdsrape mustard?


What is the invasive/noxious status of CaraganaarborescensLam. and where is it classified as such?


What is the invasive/noxious status of sericea lespedeza and where is it classified as such?

Category 1 (Alabama), Invasive (DOC, IPC) (Missouri), Invasive (North Carolina), Prohibited (New York), Prohibited (Wisconsin)


Describe the flowers of saltmeadow cordgrass?

The inflorescence is an open dark-colored panicle. Branches of the panicle are spreading to ascending with lower branches usually not overlapping. Panicles are generally about the same height as the foliage.


Describe the flowers of squarrose knapweed?

Flowering occurs in early to mid-summer, when pink flowers develop in heads at the tips of the branches.


Is morison's spurry native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for GeumurbanumL.?


What is the scientific name of boreal chickweed?


What is the scientific name of tasmanian wallaby grass?

Rytidospermabiannulare(Zotov) Connor & Edgar


What is the growth habit of madagascar rubbervine?


What is the scientific name of laurel willow?


Describe the fruit of LysimachianummulariaL.?

Fruit are capsules which contain 1-5 seeds each. The seeds are small.


Is this plant invasive to the United States?

The following species have been reported to be invasive in natural areas in the United States. Species native to the United States are included when they are invasive in areas well outside their known natural ranges, as a result of human activities.


Describe the appearance of TrapanatansL.?

Trapa natansis a rooted, floating plant that invades shallow to deep, fresh water habitats in the northeastern United States. It can grow in 12-15 ft. (3.6-4.6 m) of water and forms dense, floating mats, often three layers deep.


What is the growth habit of SymphytumofficinaleL.?


What is the growth habit of Rytidospermabiannulare(Zotov) Connor & Edgar?


Describe the flowers of SalviniamolestaD. S. Mitchell?


Describe the fruit of Murdanniakeisak(Hassk.) Hand.-Maz.?

The fruit is a capsule that contains several small seeds.


Describe the flowers of CelastrusorbiculatusThunb.?

Small, inconspicuous, axillary, greenish-white flowers bloom from May to early June. Oriental bittersweet closely resembles American bittersweet (Celastrus scandens). The main difference:Celastrus scandenshas flowers and fruits at the ends of branches;Celastrus orbiculatushas flowers in the axils of the leaves.


What is the U.S. Department of Agriculture (USDA) plant symbol for woodland groundsel?


Where can I view images of north african knapweed?


What is the U.S. Department of Agriculture (USDA) plant symbol for bermudagrass?


What is the U.S. Department of Agriculture (USDA) plant symbol for seifriz's chamaedorea?


What is the U.S. Department of Agriculture (USDA) plant symbol for redflower ragleaf?


Is glossy shower native to the United States?


What is the scientific name of tropical cupgrass?

Eriochloafatmensis(Hochst. & Steud.) W.D. Clayton


Where can I view images of slender russian thistle?


Describe the appearance of DipsacuslaciniatusL.?

Dipsacus laciniatusis a monocarpic perennial plant that grows as a basal rosette for at least a year until sending up a flowering stalk that can reach 6-7 ft. (1.8-2.1 m) in height. The plant dies after flowering.


Where can I view images of wild four-o'clock?


Fruit are large acorns with spreading, curved scales on the involucre. Trees produce large amounts of acorns.


What is the U.S. Department of Agriculture (USDA) plant symbol for asiatic dayflower?


What is the scientific name of coast tarweed?


What is the U.S. Department of Agriculture (USDA) plant symbol for Kunzeaericoides(A. Rich.) J. Thomp.?


What is the scientific name of japanese hedge-parsley, erect hedgeparsley?


The basal leaves are heart-shaped, slightly toothed and up to 6 in. (15.2 cm) wide.


What is the scientific name of hairy indian mallow?


What is the growth habit of alexandrian laurel?


Describe the appearance of SisymbriumaltissimumL.?

Sisymbrium altissimumis an annual/biennial herb native to Eurasia. Plants can reach almost 5 ft. (1.5 m) in height.


Is biddy-biddy native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for HolcuslanatusL.?


Where can I view images of common st. johnswort?


What is the growth habit of purple cudweed?


What is the growth habit of BromusinermisLeyss.?


Does stinkwort pose any ecological threat?

Dittrichia graveolenscan be found in pastures, wastelands, and along roadsides. It is native to the Mediterranean. This plant can cause severe contact dermatitis to humans and can kill livestock.


Is this plant invasive to the United States?


Describe the foliage of EpilobiumhirsutumL.?

E. hirsutumleaves are opposite, sessile and clasp the stem. Leaf blades are lanceolate-elliptic to narrowly obovate or elliptic 1.6-4.7 in. (4-12 cm) long and 0.12-1.6 in. (0.3-4 cm) wide. Foliage is villous both above and below with a serrulate margin. Leaf tip is acute to acuminate.


Is japanese yew native to the United States?


Where can I view images of UlmusparvifoliaJacq.?


Is nightflowering catchfly native to the United States?


Describe the foliage of DipsacuslaciniatusL.?

Opposite leaves are joined at the base and form cups that surround the prickly stem.


Does SisymbriumorientaleL. pose any ecological threat?

Sisymbrium orientaleinfests roadsides, ditches and fields. It is native to Europe, Asia, and North Africa.


Is ArctiumlappaL. native to the United States?


What is the invasive/noxious status of european frog-bit and where is it classified as such?

Prohibited (Minnesota), Prohibited (New York), Prohibited (Wisconsin), Watch List, Prohibited (Michigan)


What is the common name of Depariapetersenii(Kunze) M. Kato?


What is the U.S. Department of Agriculture (USDA) plant symbol for Falcatariamoluccana(Miquel) Barneby & Grimes?


What is the scientific name of california privet?


Is Brachypodiumsylvaticum(Huds.) Beauv. native to the United States?


What is the common name of Galiumodoratum(L.) Scop.?


What is the growth habit of LathyrussylvestrisL.?


What is the growth habit of BrizaminorL.?


What is the growth habit of high mallow?


Does BromusarvensisL. pose any ecological threat?

Bromus arvensiscan be found on a wide variety of soils that include sand, silt, and clay, but thrives on fine-textured soils. Waste areas, disturbed sites, roadsides, pastures, rangelands, and wheat fields are areas whereBromus arvensiscan establish. The plant is a common component of many mixed prairie communities. It is an aggressive species that out-competes desirable vegetation for water and soil nutrients, thus reducing plant biodiversity. Forage production of perennial grasses and grazing performance is also reduced in areas infested withBromus arvensis.


What is the common name of JacobaeavulgarisGaertn.?


What is the growth habit of browne's blechum?


What is the growth habit of CynosurusechinatusL.?


Is Ludwigiaperuviana(L.) Hara native to the United States?


Describe the foliage of DigitalispurpureaL.?

The leaves are spirally arranged, simple, 3.9-13.8 in. (10-35 cm) long and 2-4.7 in. (5-12 cm) broad, and are covered with gray-white pubescent and glandular hairs. The foliage forms a tight rosette at ground level in the first year.


Is european water-clover native to the United States?


Is CentaureadilutaAit. native to the United States?


What is the common name of HunnemanniafumariifoliaSweet?


What is the U.S. Department of Agriculture (USDA) plant symbol for weeping lovegrass?


Is this plant invasive to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Chamaecytisuspalmensis(Christ) F.A. Bisby & K.W. Nicholls [excluded]?


Does canadian horseweed pose any ecological threat?

E. canadensis, Canadian horseweed is common in grasslands and in moist disturbed sites including riparian and wetland areas. It has become a common pest in agricultural locations throughout its range. This plant has become an invasive weed in Eurasia.


What is the U.S. Department of Agriculture (USDA) plant symbol for largeleaf lantana?


Describe the appearance of Arctothecaprostrata(Salisb.) Britten?

A low-growing short-lived (i.e. annual) herbaceous plant with semi-flowering stems reaching up to 11.8 in. (30 cm) tall. Prior to flowering it is either stemless and forming a basal rosette, or has short creeping or sprawling stems.


Where can I view images of Catharanthusroseus(L.) G. Don?


Describe the appearance of texas blueweed?

Helianthus ciliarisis a perennial herbaceous plant that can grow from 1.3-2.3 ft. (40-70 cm) tall. The stems are blue-green to gray-green in color and can be upright to recumbent.H. ciliarisis native to Arizona, Kansas, New Mexico, Oklahoma, Texas, Utah and Mexico.


What is the common name of Ammophilaarenaria(L.) Link?


The following species have been reported to be invasive in natural areas in the United States. Species native to the United States are included when they are invasive in areas well outside their known natural ranges, as a result of human activities.


What is the common name of MadiasativaMolina?


What is the growth habit of musk thistle, nodding thistle?


What is the growth habit of Oxycaryumcubense(Poepp. & Kunth) Lye?


What is the scientific name of red beadtree?


Describe the foliage of GeraniumlucidumL.?

Stems are red colored growing from a weak central root. Leaves are rounded, deeply lobed with a waxy appearance that makes dense infestations easy to recognize.


What is the U.S. Department of Agriculture (USDA) plant symbol for CanavaliacatharticaThouars?


What is the common name of Caesalpiniagilliesii(Wall. ex Hook.) Wall. ex D. Dietr.?


Is shiny bugseed native to the United States?


Describe the fruit of CarduusacanthoidesL.?

Seeds are oblong, striate, and slightly curved.


What is the common name of Cotoneasterspp.Medik.?


What is the U.S. Department of Agriculture (USDA) plant symbol for heather?


Describe the foliage of japanese hedge-parsley, erect hedgeparsley?

First-year rosettes are low, parsley-like and green into fall. The stem leaves are alternate, fern-like, 2-5 in. (5.1-12.7 cm) long and slightly hairy.


Is Leonuruscardiacassp. cardiacaL. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for japanese cedar?


What is the invasive/noxious status of LigustrumovalifoliumHassk. and where is it classified as such?

Invasive (IPC) (Missouri), Potentially Invasive (Connecticut)


What is the scientific name of italian bugloss?


Is atlantic ivy native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for chocolate vine?


Is this plant invasive to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for redhot poker?


What is the U.S. Department of Agriculture (USDA) plant symbol for AgrostisstoloniferaL.?


The flowers are held in a spike inflorescence. It is formed by clusters of inconspicuous, green, petal-less, stalkless flowers that grow in the axils of reduced leaves. Flowers bloom from July through October.


Describe the appearance of Cortaderiaselloana(Schult. & Schult. f.) Asch. & Graebn.?

Cortaderia selloanais a perennial in the grass family (Poaceae) growing 6-13 ft. (1.8-4 m) in height. Lateral roots can spread to 13 ft. (4 m) in diameter and 11.5 ft. (3.5 m) in depth.


Where can I view images of Potentillaindica(Andr.) Wolf?


Is ClematisternifloraDC native to the United States?


Describe the flowers of ArctiumminusBernh.?

Flowering occurs in July to October, when pink to purple flowers develop. Flowers are enclosed in a prickly bur.


Describe the appearance of mulberryweed?

Fatoua villosais an annual that can grow to 2.6 ft. (0.8 m) tall. Stems are branched, erect and have hooked hairs.


What is the scientific name of beechey's withe?


Where can I view images of Vincetoxicumnigrum(L.) Moench?


Is narrowleaf pepperweed native to the United States?


Describe the appearance of Rottboelliacochinchinensis(Lour.) W.D. Clayton?

Rottboellia cochinchinensisis an annual grass that invades disturbed and agricultural areas throughout the southeastern United States.


What is the invasive/noxious status of brittleleaf naiad and where is it classified as such?

Aquatic Nuisance (Class 1, Prohibited) (North Dakota), Class C (Alabama), Potentially Invasive, Prohibited (Connecticut), Prohibited (Minnesota), Prohibited (Wisconsin), Watch List (Alabama)


What is the U.S. Department of Agriculture (USDA) plant symbol for perennial soybean?


Where can I view images of Conyzabonariensis(L.) Cronquist?


What is the growth habit of Ailanthusaltissima(P. Mill.) Swingle?


Describe the appearance of NandinadomesticaThunb.?

Nandina domesticainvades forests throughout the Southeast United States. It is a small, erect shrub that grows up to 8 ft. (2.4 m) tall.


Is AcerginnalaMaxim. native to the United States?


Is narrowleaf dock native to the United States?


Does annual bluegrass pose any ecological threat?

Poa annuais primarily a weed of lawns and turfgrass, found throughout the United States.


Is this plant invasive to the United States?


What is the scientific name of swamp morning-glory?


Where can I view images of oriental virginsbower?


What is the U.S. Department of Agriculture (USDA) plant symbol for hottentot fig?


Does CentaureastoebeL. pose any ecological threat?

Centaurea stoeberapidly colonizes roadsides and disturbed lands, especially dry sites. It can invade adjacent undisturbed prairies and open forests. A severe invasive species spreading into the South by seeds equipped for dispersal by wind, water, livestock, wildlife, and human activity, with viability in the soil for many years.


Is perennial soybean native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for wall lettuce?


Describe the foliage of Bothriochloaischaemum(L.) Keng?

Leaves are basal, glaucous, flat, and 1 to 10 in. (2.5-25 cm) long with scattered hairs. Stems are slender, solid, and green turning yellow when mature with brown to purple nodes.


What is the common name of Amaranthusspp.L.?


Is woodland forget-me-not native to the United States?


What is the invasive/noxious status of australian-pine and where is it classified as such?


Where can I view images of Achnatherumbrachychaetum(Godr.) Barkworth?


What is the U.S. Department of Agriculture (USDA) plant symbol for PhellodendronamurenseRupr.?


What is the U.S. Department of Agriculture (USDA) plant symbol for CorylusavellanaL.?


What is the growth habit of OxalisstrictaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Scheffleraactinophylla(Endl.) H.A.T. Harms?


Is toringo crab native to the United States?


What is the growth habit of PersicariawallichiiGreuter & Burdet?


What is the common name of Halogetonglomeratus(Bieb.) C.A. Mey.?


What is the growth habit of purple nutsedge?


What is the U.S. Department of Agriculture (USDA) plant symbol for firethorn?


Where can I view images of ViburnumsieboldiiMiq.?


Describe the appearance of VerbenaincomptaP. W. Michael?

Verbena incompta, Brazilian vervain, is a slender, rapidly growing, erect, clump forming perennial herb. The 3-6 ft. (0.9-1.8 m) tall stems are rough and square. Upright branches attachment to main stem is opposite. V. incompta may survive as an annual in colder climates as it readily self-seeds.


Is this plant invasive to the United States?

The following species have been reported to be invasive in natural areas in the United States. Species native to the United States are included when they are invasive in areas well outside their known natural ranges, as a result of human activities.


What is the scientific name of narrowleaf hawksbeard?


Describe the appearance of PastinacasativaL.?

Pastinaca sativais a biennial/perennial herb that looks and smells similar to cultivated parsnip and can grow up to 4 ft. (1.2 m) in height.


Where can I view images of LigustrumsinenseLour.?


What is the common name of CrotalariaspectabilisRoth?


Does FrangulaalnusMill. pose any ecological threat?

Frangula alnusinvades moist woodlands and disturbed areas throughout the Northeast and Midwest. Its rapid growth and prolific seed production make this plant an aggressive invader that can form dense thickets which shade and displace native understory plants, shrubs, and tree seedlings. This plant is native to Europe and was first introduced into the United States in the mid 1800s as an ornamental.


What is the invasive/noxious status of coltsfoot and where is it classified as such?

Class A (Alabama), Invasive, Prohibited (Connecticut), Prohibited (Wisconsin)


What is the growth habit of SilenegallicaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for ViburnumdilatatumThunb.?


What is the U.S. Department of Agriculture (USDA) plant symbol for evergreen clematis?


What is the common name of BischofiajavanicaBlume?


What is the scientific name of onionweed?


Does hispanic hyacinthoides pose any ecological threat?

Hyacinthoides hispanicacan be found in woodland edges, and in other disturbed areas. It is native to Spain, Portugal and Northwest Africa.


What is the U.S. Department of Agriculture (USDA) plant symbol for australian teatree?


What is the U.S. Department of Agriculture (USDA) plant symbol for common four-o'clock?


What is the U.S. Department of Agriculture (USDA) plant symbol for velvetleaf?


Describe the appearance of SisymbriumorientaleL.?

Sisymbrium orientaleis an annual herb. It is a species of flowering plant in the mustard family known by the common names Indian hedgemustard and Eastern rocket.


Is this plant invasive to the United States?


Describe the flowers of ViburnumopulusL.?

The white flowers are held in 3-4 in. (7.5-10 cm) wide, flat-topped umbels. The individual flowers are tiny and five-petaled.


What is the U.S. Department of Agriculture (USDA) plant symbol for madagascar periwinkle?


Is common horse chestnut native to the United States?


Is Liriopespicata(Thunb.) Lour. native to the United States?


Describe the appearance of DianthusarmeriaL.?

Dianthus armeriais a herbaceous annual or biennial plant growing to 1-2.5 ft. (0.3-0.8 m) tall.


What is the U.S. Department of Agriculture (USDA) plant symbol for garden vetch?


What is the scientific name of winged yam?


What is the U.S. Department of Agriculture (USDA) plant symbol for slender speedwell?


Does common hempnettle pose any ecological threat?

G. tetrahitinvades roadsides, open woods, pastures, and fields. It can create monocultures especially in disturbed areas. It is avoided by most grazers and is considered an agricultural weed.G. tetrahitis the host for potato fungus and several nematodes.


What is the growth habit of Leptospermumlaevigatum(Sol. ex Gaertn.) F. Muell.?


Is RosagallicaL. native to the United States?


What is the scientific name of mouse-eared hawkweed?


Describe the appearance of spanish broom?

Spartium junceumis a perennial shrub, that can grow up to 9.8 ft. (3 m) high. It has thick waxy stems.


What is the growth habit of AcaciadealbataLink?


Is european cranberrybush native to the United States?


Is Parthenocissustricuspidata(Sieb. & Zucc.) Planch. native to the United States?


What is the common name of Ranunculusflammulavar. filiformis(Michx.) Hook.?


The petiolate leaves are ovate to lanceolate with a smooth margin.


Is Berteroaincana(L.) DC native to the United States?


Where can I view images of european water-clover?


Is this plant invasive to the United States?


Does Persicarialongiseta(Bruijn) Kitagawa pose any ecological threat?

Persicaria longisetais native to Asia and occurs in disturbed habitats such as along roadsides and in pastures. Plants also inhabit wet areas.


Where can I view images of deeprooted sedge?


Is VerbascumthapsusL. native to the United States?


Describe the appearance of slenderflower thistle?

Carduus tenuiflorusis an herbaceous winter annual or biennial that invades disturbed areas. The most serious infestations occur in the Pacific coastal states, butCarduus tenuiflorusalso occurs sporadically in the eastern United States. Plants grow up to 6 ft. (1.8 m) tall with single or multiple spiny stems with wings arising from the base of the spines.


What is the growth habit of white horehound?


What is the U.S. Department of Agriculture (USDA) plant symbol for Tamarixaphylla(L.) Karst.?


What is the growth habit of UrticadioicaL.?


What is the scientific name of common wormwood?


What is the U.S. Department of Agriculture (USDA) plant symbol for AcerpalmatumThunb.?


What is the growth habit of honduras pine?


Describe the appearance of Sphaerophysasalsula(Pallas) DC.?

Sphaerophysa salsulais a perennial herb that can grow to 5 ft. (1.5 m) in height.


What is the growth habit of LinumbienneMill.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Arundinagraminifolia(D. Don) Hochr.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Polypogonviridis(Gouan) Breistr.?


Describe the fruit of Neyraudiareynaudiana(Kunth) Keng ex A.S. Hitchc.?

Fruits are 0.06-0.12 in. (1.5-3 mm) long and narrowly elliptic.


Is japanese rose native to the United States?


Is heartleaf drymary native to the United States?


Is Fraxinusuhdei(Wenzig) Lingelsh native to the United States?


Where can I view images of macartney rose?


What is the scientific name of canereed?


Fruit are hard, yellow, marble-sized, stalked berries that can be dangerous on sidewalks and other walkways. Seeds are spread by birds.


What is the U.S. Department of Agriculture (USDA) plant symbol for EchiumplantagineumL.?


What is the scientific name of oriental virginsbower?


What is the common name of ImperatabrasiliensisTrinius?


What is the U.S. Department of Agriculture (USDA) plant symbol for HeterothecagrandifloraNutt.?


Is Rhaponticumrepens(L.) Hidalgo native to the United States?


Is this plant invasive to the United States?


What is the growth habit of formosa firethorn?


Is edible fig native to the United States?


The leaves are soft, gray-green, 1.5-3 in. (3.7-7.6 cm) long with fine hairs and heart-shaped bases. The lower leaves tend to have more hairs than the upper leaves. The upper leaves clasp to the stem of the plant.


What is the growth habit of ricegrass paspalum?


What is the common name of SalviaaethiopisL.?


Is bigpod sesbania native to the United States?


Where can I view images of LigustrumjaponicumThunb.?


The following species have been reported to be invasive in natural areas in the United States. Species native to the United States are included when they are invasive in areas well outside their known natural ranges, as a result of human activities.


What is the common name of PicrishieracioidesL.?


What is the growth habit of common st. johnswort?


Where can I view images of AgrostemmagithagoL?


Describe the appearance of LigustrumvulgareL.?

Ligustrum vulgareis a semi-evergreen shrub or small tree that grows to 20 ft. (6.1 m) in height. Trunks usually occur as multiple stems with many long, leafy branches.


Is eggleaf spurge native to the United States?


Describe the appearance of japanese hedge-parsley, erect hedgeparsley?

Torilis japonicais a biennial herb that grows 2-4 ft. (0.6-1.2 m) tall when flowering.


What is the common name of CecropiapalmataWilld.?


What is the growth habit of LysimachiavulgarisL.?


What is the common name of BromussecalinusL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for PeganumharmalaL.?


What is the common name of SolanumseaforthianumAndr.?


What is the scientific name of fivehook bassia?


What is the scientific name of tall lettuce?


Where can I view images of ViburnumdilatatumThunb.?


Is earleaf acacia native to the United States?


Flowers are small, white, fragrant, and found in clusters. The blooming period occurs in late Spring and early summer from May to June.


A. cotulafruits are achenes approximately 0.05 - 0.07 in. (1.2 - 1.8 mm) long.


What is the common name of GaliummollugoL.?


Describe the appearance of Strigaasiatica(L.) Kuntze?

Striga asiaticais a parasitic plant that can infest agricultural crops and has been found in North and South Carolina. Plants are normally 6-12 in. (15.2-30.5 cm) tall but have grown to 24 in. (61 cm).


Is AndropogonvirginicusL. native to the United States?


What is the scientific name of hairy beggarticks?


What is the U.S. Department of Agriculture (USDA) plant symbol for smallflower umbrella sedge?


Is common wormwood native to the United States?


What is the common name of CorylusavellanaL.?


Is Nephrolepiscordifolia(L.) C. Presl native to the United States?


What is the common name of Thinopyrumjunceiforme(A. Löve & D. Löve) A. Löve?


What is the scientific name of birdseye pearlwort?


Is this plant invasive to the United States?


Bromus secalinusis an annual grass that can grow from 17.7-39.4 in (45-100 cm) tall. It is native to Africa, temperate Asia, and parts of Europe. It has been introduced to Australia, North America, Hawaii, and South America.


What is the U.S. Department of Agriculture (USDA) plant symbol for common periwinkle?


Is Sonchusarvensisssp. arvensisL. native to the United States?


What is the scientific name of trifoliate orange?


What is the common name of Cocciniagrandis(L.) Voigt?


What is the growth habit of biddy-biddy?


Is virginia pepperweed native to the United States?


Describe the flowers of tropical soda apple?

Flowering occurs year-round, with most reproduction occurring from September to May. White, 5-petaled flowers grow, in clusters, under the leaves.


What is the scientific name of antilles calophyllum?


What is the U.S. Department of Agriculture (USDA) plant symbol for antilles calophyllum?


What is the U.S. Department of Agriculture (USDA) plant symbol for VincetoxicumhirundinariaMedik.?


What is the growth habit of yellow foxtail?


Is PhysalisperuvianaL. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for star-mustard?


What is the common name of Sennaoccidentalis(L.) Link?


Is VeronicabilobaL. native to the United States?


Is Catharanthusroseus(L.) G. Don native to the United States?


Where can I view images of spurgelaurel?


What is the U.S. Department of Agriculture (USDA) plant symbol for AsphodelusfistulosusLinnaeus?


What is the common name of TrapanatansL.?


Is kenilworth ivy native to the United States?


Does EucalyptuscamaldulensisDehnhardt pose any ecological threat?

Eucalyptus camaldulensisis fast growing tree that is commonly used for firewood. Many people have discovered the tree’s rapid growth and prefer to plant it instead of native trees. This tree can be found along water ways and other wetlands. It is native to Australia.


What is the growth habit of Cuscutaepithymum(L.) L.?


Where can I view images of Hyparrheniarufa(Nees) Stapf?


What is the U.S. Department of Agriculture (USDA) plant symbol for ripgut brome?


Is SagittariagramineaMichx. native to the United States?


What is the common name of MedicagolupulinaL.?


Where can I view images of Sporobolusindicus(L.) R. Br.?


What is the growth habit of SeneciosylvaticusL.?


Describe the foliage of PaederiafoetidaL.?

The opposite leaves are up to 4.5 in. (11.4 cm) long, lance-shaped, often lobed at the base, and on petioles up to 2.5 in. (6.4 cm) long. The stems and leaves have a strong, unpleasant odor when crushed, giving this plant its common name, skunk-vine.


Is this plant invasive to the United States?


Describe the flowers of lily of the valley?

The bell like dainty white flowers are held on erect racemes and have a strong, sweet perfume and bloom in the spring.


The chief means of reproduction are aerial, potato-like tubers (bulbils) located at the leaf axils.


Describe the flowers of Melilotusofficinalis(L.) Lam.?

Racemes are 2-6 in. (5.1-15.2 cm) long. Flowers are small, floppy, tubular at base becoming broader toward outer edges, 0.3 in. (0.85 cm) long with 5 petals. Blooming occurs from summer through fall.


Where can I view images of PopulustremulaL.?


The flowers occur from May to August. White little petals appears and the flower head is 2.8-5.9 in. (7-15 cm) long.


Where can I view images of Setariapumila(Poir.) Roemer & J.A. Schultes?


What is the U.S. Department of Agriculture (USDA) plant symbol for GnaphaliumuliginosumL.?


What is the growth habit of broomsedge bluestem?


Where can I view images of meadow foxtail?


What is the common name of Petrorhagiadubia(Raf.) G. López & Romo?


What is the U.S. Department of Agriculture (USDA) plant symbol for Depariapetersenii(Kunze) M. Kato?


Describe the flowers of buttercup oxalis?

Flowers ofO. pes-capraeare bright yellow and are arranged in umbel-like inflorescences. These inflorescences generally have fewer than 20 flowers each, with peduncles shorter than 11.8 in. (30 cm) in height. Sepals ofO. pes-capraeare green, less than 0.28 in. (7 mm) long, lanceolate to oblong in shape, and the tips often have two orange or yellow tubercles. The yellow petals are clawed, less than 1 in. (2.5 cm) in length. Each flower has 10 stamens.


Is Achilleamillefoliumvar. occidentalisDC. native to the United States?


What is the scientific name of slender amaranth?


Where can I view images of PolygonumaviculareL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for java waterdropwort?


Is peacocksplume native to the United States?


Describe the appearance of LespedezabicolorTurcz.?

Lespedeza bicoloris an upright semi-woody forb, 3-10 ft. (0.9-3 m) in height with many slender stems and arching branches.


Where can I view images of Brachypodiumdistachyon(L.) Beauv.?


Where can I view images of RumexobtusifoliusL.?


Is european speedwell native to the United States?


The brown fruits oblong-ovoid, laterally flattened and 0.12-0.16 in. (3-4 mm) long.


What is the U.S. Department of Agriculture (USDA) plant symbol for SpiraeathunbergiiSieb. ex Blume?


What is the scientific name of dog's-tongue?

Pseudelephantopusspicatus(Juss. ex Aubl.) C.F. Baker


Flowers are inconspicuous and develop in slim, cylindrical flower clusters (catkins) before the leaves develop.


Is Elaeagnusumbellatavar. parvifolia(Wall. ex Royle) C.K. Schneid. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for hedgehog dogtailgrass?


Where can I view images of Brassicajuncea(L.) Czern?


What is the growth habit of UrenalobataL.?


Describe the fruit of oriental virginsbower?

Fruits ofC. orientalisconsist of rounded clusters of fluffy winged seeds (achenes).


Describe the foliage of Ligustrumspp.L.?

The simple leaves are elliptic to ovate in shape, oppositely arranged on slender twigs, often leathery and thick. The leaf margins are smooth and entire.


Is common tansy native to the United States?


Is SclerialacustrisC. Wright native to the United States?


What is the invasive/noxious status of Anthriscussylvestris(L.) Hoffmann and where is it classified as such?

Prohibited (New York), Prohibited/Restricted (Wisconsin)


Describe the foliage of CentaureasolstitialisL.?

Leaves that are located near the base are petiolate, dissected, 2-6 in. (5-15.2 cm) long. These certain leaves are normally absent during the time of flowering. Leaves further up the stem are 0.4-4 in. (1-10 cm) long.


Where can I view images of Cytisusscoparius(L.) Link?


Where can I view images of west indian raspberry?


Where can I view images of Hydrocharismorsus-ranaeL.?


Is colombian bluestem native to the United States?


Where can I view images of Actinidiaarguta(Siebold & Zucc.) Planch. ex Miq.?


Is this plant invasive to the United States?

The following species have been reported to be invasive in natural areas in the United States. Species native to the United States are included when they are invasive in areas well outside their known natural ranges, as a result of human activities.


Does dog-strangling vine, european swallowwort pose any ecological threat?

Vincetoxicum rossicuminvades upland areas and tolerates a wide range of light and moisture conditions. It can grow rapidly over native vegetation to the point of dominating the understory of a woodland. Wind-dispersed seeds allow it to disperse over long distances. When it is cut, this plant resprouts vigorously, making control difficult. It is native to Europe and was likely introduced into the United States for ornamental purposes.


Describe the flowers of LoniceramorrowiiGray?

The fragrant paired flowers are tubular, white to cream-colored, 0.75 in. (1.9 cm) in diameter and develop from May to June.


What is the growth habit of halogeton, saltlover?


What is the growth habit of AmaranthusviridisL?


Where can I view images of small carpetgrass, joint-head grass?


What is the U.S. Department of Agriculture (USDA) plant symbol for Caulerpataxifolia(Vahl) C. Agardth?


What is the growth habit of VerbascumblattariaL.?


Where can I view images of Syzygiumjambos(L.) Alston?


Describe the appearance of japanese black pine?

Pinus thunbergiiis a small evergreen tree that can reach heights of about 20-30 ft (6-9 m) tall and about 20-35 ft (6-11 m) wide in cultivation. In its native habitat it can grow to over 100 ft (30.5 m) tall. The branches are usually large and contorted, spreading horizontally or hanging down. It is native to northeastern China, Korea and Japan.


The fruits ofD. lanataare oval pods. The pods have small hooks that can easily attach to animal fur. Each pod contains many seeds.


Describe the flowers of Taeniatherumcaput-medusae(L.) Nevski?

Flowering occurs in late spring, when flower heads develop at the apex of the stems. Flowering occurs in late spring and early summer.


Gypsophila paniculatais a perennial herb growing up to 3 ft. (0.9 m) tall with a thick, deep, tap root and branched stems.


Describe the fruit of Lespedezacuneata(Dum.-Cours.) G. Don?

Fruit is a flat ovate to round single-seeded pod 0.12-0.15 in. (3-4 mm) wide. Pods are clustered in terminal axils, scattered along the stem, and clasped by persistent sepals.


Describe the flowers of reed canarygrass?

The spreading flower/seed heads arise from hairless stems and can be green, purple, or brown in color and usually 3-6 in. (7.6-15.2 cm) in length. Flowering occurs from May to July.


Does oriental lady's thumb pose any ecological threat?

Persicaria longisetais native to Asia and occurs in disturbed habitats such as along roadsides and in pastures. Plants also inhabit wet areas.


What is the U.S. Department of Agriculture (USDA) plant symbol for MadiasativaMolina?


Is Hieraciumpilosellavar. pilosellaL. native to the United States?


What is the scientific name of lawn burweed?


What is the growth habit of chinese catalpa?


What is the growth habit of EucalyptustereticornisSm.?


Is thatching grass native to the United States?


What is the growth habit of AlhagimaurorumMedik?


Describe the flowers of prickly lettuce?

In the mid-to-late summer, 0.5 in. (1.3 cm) wide, yellow flowers develop in a branched inflorescence at the apex of the stem.


Describe the appearance of black dog-strangling vine, black swallowwort?

Vincetoxicum nigrumis an herbaceous, twining, unbranched, perennial vine which can grow up to 6.5 ft. (2 m) in length.


Is SaccharumravennaeL. native to the United States?


Describe the foliage of LamiummaculatumL.?

Spotted deadnettle is a light green that the leaves are opposite, ovate, and crenate entire plant slowly dies back to the crown during late Autumn and early Winter (evergreen in Southern climates).


What is the common name of Liriopespicata(Thunb.) Lour.?


Is this plant invasive to the United States?


Describe the foliage of japanese angelica tree?

The leaves are alternate and 2 to 3 times pinnately compound with toothed or mostly toothless margins. The leaflets are from 2-4.75 in. long with the entire leaf from 2-4 ft. long. The main leaf veins extend to the leaf edge with spines along the leaf axils.


What is the scientific name of yellow devil hawkweed?

Hieraciumx floribundumWimmer & Grab. [caespitosum x lactucella]


Where can I view images of PastinacasativaL.?


Describe the foliage of RobiniahispidaL.?

The alternate, pinnately compound leaves have 7 - 19 leaflets about 1.5-2 in. long. They are densely hairy with smooth edges. Most leaves have a pair of long spines at their base.


Is TradescantiafluminensisVell. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for JasminumdichotomumVahl?


Is seifriz's chamaedorea native to the United States?


Describe the flowers of ArtemisiavulgarisL.?

The flower head has disk flowers only, and lacks the strap-shaped flowers. At the bud stage flowers are whitish green and become dull yellowish green to purplish green with maturity.


Does Limnophilasessiliflora(Vahl) Blume pose any ecological threat?

L. sessilifloracan shade out and out compete other aquatic plants. It can tolerate a wide range of growing conditions. L. sessiliflora is listed as a Federal Noxious Weed.


Describe the appearance of small broomrape?

Orobanche minoris a fleshy, herbaceous, annual, parasitic plant that grows up to 22 in. (55.9 cm) tall. It attaches to the roots of broadleaf hosts (especially Trifolium spp.). The fleshy stem is yellow to straw colored and sticky.


The following species have been reported to be invasive in natural areas in the United States. Species native to the United States are included when they are invasive in areas well outside their known natural ranges, as a result of human activities.


Is cypress spurge native to the United States?


What is the common name of AcaciapycnanthaBenth.?


Describe the flowers of Mahoniabealei(Fortune) Carr.?

Flowering occurs in late winter and early spring, when fragrant, lemon-yellow flowers develop.


Is OenotheralaciniataHill native to the United States?


What is the common name of PterisvittataL.?


What is the growth habit of AdiantumhispidulumSw.?


Is this plant invasive to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for SyngoniumpodophyllumSchott?


Describe the appearance of BuddlejadavidiiFranch.?

Buddleja davidiiis a deciduous shrub that is 3-15 ft. (1-5 m) tall with arching stems.


Is RhamnusutilisDcne. native to the United States?


Is broadleaf plantain native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for iberian starthistle?


Describe the foliage of CentaureamelitensisL.?

Leaves are alternate, linear or narrowly oblong with smooth, toothed margins. Leaf bases are decurrent and give the stems a winged appearance.


Is ChelidoniummajusL. native to the United States?


What is the scientific name of common barberry?


What is the U.S. Department of Agriculture (USDA) plant symbol for woodland bittercress?


What is the scientific name of oriental photinia?


What is the growth habit of GaliumverumL.?


What is the growth habit of Thinopyrumponticum(Podp.) Z.-W. Liu & R.-C. Wang?


What is the common name of Phoenixcanariensishort. ex Chabaud?


What is the U.S. Department of Agriculture (USDA) plant symbol for field bindweed?


What is the common name of Setariapalmifolia(Koenig) Stapf?


What is the U.S. Department of Agriculture (USDA) plant symbol for strawflower?


What is the U.S. Department of Agriculture (USDA) plant symbol for ViburnumsieboldiiMiq.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Alternantheraphiloxeroides(Mart.) Griseb.?


Is catclaw-vine native to the United States?


Describe the appearance of european privet?

Ligustrum vulgareis a semi-evergreen shrub or small tree that grows to 20 ft. (6.1 m) in height. Trunks usually occur as multiple stems with many long, leafy branches.


What is the U.S. Department of Agriculture (USDA) plant symbol for mimosa?


Is Pinuselliottiivar. elliottiiEngelm. native to the United States?


What is the growth habit of PaederiafoetidaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for north african knapweed?


What is the invasive/noxious status of big periwinkle and where is it classified as such?


Koelreuteria elegansis a fast growing deciduous tree that grows from between 20-50 ft. tall at maturity with a 35-50 ft. wide crown. The trunk is light brown and smooth when young and has ridges at maturity.


Is this plant invasive to the United States?


What is the common name of PastinacasativaL.?


Describe the appearance of CentaureasolstitialisL.?

This annual plant can grow 0.25-3 ft. (0.07-0.9 m) in height.


What is the growth habit of GalegaofficinalisL.?


Describe the flowers of TaraxacumofficinaleG.H. Weber ex Wiggers?

Flowering stalks are 6-24 in. (15.2-61 cm) in length and terminate in a compound inflorescence or head that contains 100 to 300 ray flowers and looks like a characteristic puffball. Each ray flower has a strap-shaped yellow petal with five notches at the tip.Taraxacum officinaleflowers are not normally pollinated but develop asexually. The seeds are achenes and are about 0.13 in. (0.32 cm) in length with five to eight ribs.


Is hairy galinsoga native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Torilisarvensis(Huds.) Link?


Is Hygrophilapolysperma(Roxb.) T. Anders. native to the United States?


Where can I view images of chinese parasoltree?


Describe the fruit of cutleaf blackberry?

Fruit are black, shiny, 0.6-1 in. (1.5-2.5 cm) long with very small seeds. The fruit is edible, sweet and juicy. Fruit develops from July to October.


Is watergrass native to the United States?


What is the common name of CardamineflexuosaWith.?


Describe the flowers of kingdevil hawkweed?

Flower heads are clustered, yellow, 0.5 in. (1.3 cm) wide, and number up to 30 per plant. This plant blooms June-September.


What is the scientific name of cultivated currant?


Describe the flowers of CarduusacanthoidesL.?

Flowering occurs from May to August. The flower heads are reddish-purple in color and up to 1 in. (2.5 cm) in diameter. Flower stems are branched with spiny wings extending to the flower heads.


What is the U.S. Department of Agriculture (USDA) plant symbol for woolly distaff thistle?


What is the U.S. Department of Agriculture (USDA) plant symbol for ClematisorientalisL.?


Is this plant invasive to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for GaliummollugoL.?


What is the growth habit of Viciasativassp. nigra(L.) Ehrh.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Plucheacarolinensis(Jacq.) G. Don?


What is the U.S. Department of Agriculture (USDA) plant symbol for Galiumodoratum(L.) Scop.?


What is the common name of RumexcrispusL.?


Where can I view images of CentaureanigrescensWilld?


Is Chamaecyparislawsoniana(A. Murr.) Parl. native to the United States?


Is Ludwigiagrandiflorassp. hexapetala(Hook. & Arn.) Nesom & Kartesz native to the United States?


Describe the appearance of japanese chaff flower?

Achyranthes japonicais a perennial herb that can grow up to about 6.5 ft. (2 m) tall. Stems are glabrous or slightly pubescent.


Describe the flowers of creeping bellflower?

The blue to blue-violet flowers are arranged in a long raceme. Individual flowers are about 1 in (cm) long and bell-shaped with five pointed lobes.


Where can I view images of yellow nutsedge?


Is cordgrass hybrid native to the United States?


Describe the appearance of deptford pink?

Dianthus armeriais a herbaceous annual or biennial plant growing to 1-2.5 ft. (0.3-0.8 m) tall.


What is the common name of AcernegundoL.?


Is MarsileaminutaL. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for HieraciumlachenaliiK.C. Gmel.?


What is the U.S. Department of Agriculture (USDA) plant symbol for ScleriamicrocarpaNees ex Kunth?


What is the scientific name of bloodwoodtree?


Is Erechtiteshieraciifolius(L.) Raf. ex DC. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for IpomoeacoccineaL.?


Is this plant invasive to the United States?


Leaves are compound with 15-23 leaflets. Leaflets are ovate, 0.2-0.75 in. (0.5-2 cm) long with short, white hairs on the lower surface.


What is the U.S. Department of Agriculture (USDA) plant symbol for MimosapigraL.?


Where can I view images of AbutilontheophrastiMedik?


Is raintree native to the United States?


Where can I view images of tropical soda apple?


Describe the foliage of NymphaeaodorataAit.?

Leaves are round, narrowly cut almost to the center, 10 in. (25.4 cm) across, and bright green on top and the underside is reddish or purplish.


Flowers are held in pairs along the stalk. The inflorescence is a villose corymb that may grow either terminally or from the leaf axils.


Is Echinochloacolona(L.) Link native to the United States?


What is the growth habit of LamiummaculatumL.?


Where can I view images of Coronopusdidymus(L.) Sm.?


The following species have been reported to be invasive in natural areas in the United States. Species native to the United States are included when they are invasive in areas well outside their known natural ranges, as a result of human activities.


Where can I view images of tall vervain?


What is the scientific name of glossy buckthorn?


What is the scientific name of ravennagrass?


Describe the fruit of CentaureasolstitialisL.?

This seed type represents between 10 and 25% of the total seed and often remains in the seed-heads until late fall or winter. The central flowers produce glossy, gray, or tan to mottled cream-colored and tan seeds with a short, stiff, unequal, white pappus 0.08-0.2 in. (2-5 mm) long.


What is the U.S. Department of Agriculture (USDA) plant symbol for cooper's cyathea?


Does winged yam pose any ecological threat?

Dioscorea alatacan form dense masses of vines that cover and kill native vegetation including trees. It was introduced from Asia as a possible food source in the early 1800s. In some countries it is presently being cultivated for medicinal uses.


The leaves are less than 3 in. (7.6 cm) long, alternate, simple, singly-serrate, and dark-green in color. Unlike most elms the leaf base is usually symmetrical.


Where can I view images of Murrayapaniculata(L.) Jack?


Where can I view images of CarthamuslanatusL.?


What is the scientific name of black knapweed?


Describe the foliage of LonicerastandishiiJacques?

The opposite leaves are ovate to oblong with smooth, rolled down margins. They have a blunt or short pointed tip. The leaves right below the inflorescence encircle the stem.


Where can I view images of CryptostegiamadagascariensisBojer ex Dcne.?


What is the common name of ValerianaofficinalisL.?


Is deodar cedar native to the United States?


Is this plant invasive to the United States?


Where can I view images of jamaica feverplant?


What is the U.S. Department of Agriculture (USDA) plant symbol for Cyrtomiumfalcatum(L. f.) C. Presl?


Where can I view images of european crabapple?


What is the invasive/noxious status of tea viburnum and where is it classified as such?


Where can I view images of Hordeummurinumssp. glaucum(Steud.) Tzvelev?


Is myrtle spurge native to the United States?


Does common periwinkle pose any ecological threat?

Vinca minorhas escaped cultivation and is invading natural areas throughout the eastern U.S. It inhabits open to shady sites including forests and often escapes from old homesites.Vinca minorgrows vigorously and forms dense and extensive mats along the forest floor, displacing native herbaceous and woody plant species.Vinca minorwas first introduced into North America in the 1700s as an ornamental. It is still commonly sold as an ornamental ground cover.


Where can I view images of Phragmitesaustralisssp. australis(Cavanilles) Trinius ex Steudel?


Flowers have five petals and are yellow, and 1 in. (2.5 cm) across. Calyx tube is 1 in. (2.5 cm) long, and spiny. Flowering occurs from May to October.


What is the U.S. Department of Agriculture (USDA) plant symbol for Filipendulaulmaria(L.) Maxim.?


Does japanese spiraea pose any ecological threat?

Spiraea japonicainvades a variety of habitats including fields, forests, stream banks and many disturbed areas. Once established, it can form dense stands which displace native vegetation and close open areas. It is native to eastern Asia and was first introduced into the United States around 1879 as an ornamental.


What is the growth habit of MorusalbaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Setariaverticillata(L.) Beauv.?


What is the U.S. Department of Agriculture (USDA) plant symbol for PerseaamericanaP. Mill.?


Describe the fruit of SpiraeajaponicaL. f.?

Fruits are capsules that are smooth and glabrous. Seeds are 0.09-0.1 in. (2.2-2.4 mm) long.


What is the scientific name of western yarrow?


What is the U.S. Department of Agriculture (USDA) plant symbol for tropical burnweed?


Is this plant invasive to the United States?


Is AbutilontheophrastiMedik native to the United States?


Galega officinalisis an herbaceous, perennial plant found in Utah, Pennsylvania, and New York that can grow up to 6 ft. (1.8 m) in height. Plants are shrubby.


What is the scientific name of amur silvergrass?


Describe the foliage of brazilian vervain?

Leaves ofV. incompta are dark green. Most of the leaves are in a basal rosette. The stem leaves are opposite and attach directly to the stem with the leaf base tapering. Leaves are obovate to elliptic to lanceolate, ranging from 3-5 in. (7.6-12.7 cm) long with coarsely serrate margins.


What is the growth habit of EricalusitanicaK. Rudolphi?


What is the U.S. Department of Agriculture (USDA) plant symbol for herb-robert?


Is Cuscuta(non-native)L. native to the United States?


Leaves are up to 16 in. (41 cm) long, 0.6-1 in. (15-25 mm) wide. Sheath is round with hair on margins. Blade has short hairs cover the upper surface. Ligule has a fringe of hairs. There are no auricles.


Is Liriopemuscari(Dcne.) Bailey native to the United States?


What is the growth habit of japanese flowering crabapple?


What is the growth habit of OnopordumacanthiumL.?


The leaves are small, up to 1 in. (2.5 cm) long. The leaves are numerous, alternate or whorled, bright green, and linear in shape.


Where can I view images of eastern poison-ivy?


Is IpomoealacunosaL. native to the United States?


What is the common name of LonicerajaponicaThunb.?


Where can I view images of CarduusacanthoidesL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Solanumspp.L.?


Fruits (achenes) are ivory-colored with a tuft of hair that falls off at maturity.


What is the U.S. Department of Agriculture (USDA) plant symbol for dotted smartweed?


Is NicotianaglaucaGraham native to the United States?


Describe the flowers of AcaciaauriculiformisA. Cunningham ex Benth.?

The flowers are held in loose, yellow-orange spikes in the leaf axils or in clusters of spikes at stem tips.Acacia auriculiformisflowers are mimosa-like, with many free stamens.


The mostly opposite leaves are cauline, sessile and veined. They are linear to lanceolate and from 1.2-3.0 x 0.2-0.9 in. (3-7.5 x 0.5-2.2 cm) long by wide.


Is this plant invasive to the United States?


What is the invasive/noxious status of norway maple and where is it classified as such?

Invasive (Connecticut), Invasive (Delaware), Regulated (New York)


Describe the foliage of Eichhorniacrassipes(Mart.) Solms?

The leaves are oval to elliptical, thick, up to 6 in. (15 cm) wide and waxy with spongy petioles. Leaves curve inward at the edges.


Describe the fruit of Achnatherumbrachychaetum(Godr.) Barkworth?

The seed have many hairs. Awns are straight or bent and up to 0.8 in. (1.8 cm) long. Modified spikelets called cleistogenes can be found inside the stems above the nodes of flowering shoots and at the stem base.


Describe the flowers of common barberry?

Flowering occurs in May to June, when small, yellow, less than 0.25 in. (6 mm) wide flowers develop in dangling racemes. The flowers have an unpleasant odor.


The following species have been reported to be invasive in natural areas in the United States. Species native to the United States are included when they are invasive in areas well outside their known natural ranges, as a result of human activities.


Stems are red to green or purple in color. Leaves are alternate, peltate, petiolate, palmate, toothed, and can be 11.8 in. (30 cm) across.


What is the U.S. Department of Agriculture (USDA) plant symbol for AlyssummuraleWaldst. & Kit.?


Where can I view images of SpartinadensifloraBrongn.?


What is the U.S. Department of Agriculture (USDA) plant symbol for avocado?


Where can I view images of CasuarinaequisetifoliaL.?


Is Fragariachiloensis(L.) P. Mill. native to the United States?


What is the common name of Murrayapaniculata(L.) Jack?


Is AcaciacyclopsA. Cunn. ex G. Don native to the United States?


Where can I view images of spreading hedgeparsley?


What is the common name of SaponariaofficinalisL.?


Where can I view images of earleaf acacia?


Where can I view images of yellow rocket?


Where can I view images of Manilkarazapota(L.) van Royen?


Is himalayan blackberry native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for HelianthuspetiolarisNutt.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Calocedrusdecurrens(Torr.) Florin?


Is this plant invasive to the United States?


Is jointed goatgrass native to the United States?


Describe the appearance of FrangulaalnusMill.?

Frangula alnusis a large shrub or small tree that can grow to heights of 30 ft. (9.1 m). Its bark is gray to brown with white lenticels.


Is HypericumgrandifoliumChoisy native to the United States?


Where can I view images of jeffrey pine?


Is ripgut brome native to the United States?


What is the growth habit of Prunussubhirtellavar. pendulaY. Tanaka?


Where can I view images of AiracaryophylleaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for tagasaste?


What is the growth habit of Hydrillaverticillata(L. f.) Royle?


What is the invasive/noxious status of bigpod sesbania and where is it classified as such?


Where can I view images of Abutilongrandifolium(Willd.) Sweet?


What is the U.S. Department of Agriculture (USDA) plant symbol for plumeless thistle?


Describe the fruit of CentaureamacrocephalaPuschk. ex Willd.?

Reproduces by seed which can be spread by wind, passing animals, humans, vehicles or equipment. It can re-sprout from woody root crown.


What is the U.S. Department of Agriculture (USDA) plant symbol for PassiflorasubpeltataOrtega?


Describe the fruit of broadleaf plantain?

A 2-celled oval capsule, 0.12-0.2 in. (3-5 mm) long, that opens by a lid around the middle.


Describe the fruit of Persicarialongiseta(Bruijn) Kitagawa?

Seeds are smooth, dark colored, dry, and 3 angled.


Describe the foliage of kentucky bluegrass?

Mostly basal, nearly glabrous; blades V-shaped, narrow, 1-7 in. (2.5-17.8 cm) long, with boat-shaped tips and two prominent veins along the center of the upper surface of the leaf which appear as miniature railroad tracks.


Is TradescantiaspathaceaSw. native to the United States?


Is nettleleaf goosefoot native to the United States?


Is this plant invasive to the United States?


Does itchgrass pose any ecological threat?

Rottboellia cochinchinensisinvades agricultural fields and other disturbed areas. The hairs on the stems and leaves can cause severe irritation, and the plant is unpalatable to livestock and wildlife. It is native to the Old World tropics, but it is currently widespread throughout the world’s tropical regions and in the southeastern United States.


What is the growth habit of AlopecuruspratensisLinnaeus?


Describe the fruit of OrobancheminorSmith?

This plant is highly prolific. Seeds are very small (dust-size) and remain viable for 10 or more years.


Describe the foliage of AlbiziajulibrissinDurazz.?

It has delicate-looking, bi-pinnately compound leaves that resemble ferns.


Seeds are brown and are produced in 4-8 in. (10.2-20.3 cm) long panicles on ascending branches of the flower head. The seed period occurs in summer.


Tussilago farfarais a perennial, herbaceous plant that invades disturbed areas throughout much of the eastern United States.


Does tree tobacco pose any ecological threat?

N. glaucaprefers open sites including stream beds, and roadsides. It is native to South America. All parts ofNicotiana glaucaare extremely poisonous.


What is the growth habit of field pennycress?


What is the scientific name of soapbush?


Describe the fruit of AcerginnalaMaxim.?

The reddish fruit, which hang on the tree until late fall, have nearly parallel wings and are 0.75-1 in. (2-2.5 cm) long. The seeds ofAcer ginnalaare dispersed primarily by wind with the help of winged samaras.


Does japanese clover pose any ecological threat?

Kummerowia striataoccurs in fields, open woods, roadsides and other disturbed sites. It is native to Asia and was introduced into the United States around 1850.


Is CocosnuciferaLinnaeus native to the United States?


Is english ivy native to the United States?


What is the scientific name of hollyhock?


What is the growth habit of CatalpaovataG. Don?


Where can I view images of arrowleaf elephant's ear?


What is the growth habit of Lobulariamaritima(L.) Desv.?


What is the U.S. Department of Agriculture (USDA) plant symbol for lettuce?


What is the growth habit of HelianthustuberosusL.?


Describe the foliage of CentaureaibericaTrev. ex Spreng?

The leaves are divided into narrow linear segments. Rosettes have spines in the center. Rosette forms in May and June.Centaurea ibericais covered with tiny hairs all over the plant.


What is the growth habit of leafy spurge?


What is the U.S. Department of Agriculture (USDA) plant symbol for willow?


Is ohio buckeye native to the United States?


Where can I view images of AlcearoseaL.?


What is the growth habit of TerminaliacatappaL.?


Is Youngiajaponica(L.) DC. native to the United States?


Is this plant invasive to the United States?


What is the common name of Clidemiahirta(L.) D. Don?


Is incised halberd fern native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for iguanatail?


What is the U.S. Department of Agriculture (USDA) plant symbol for TrifoliumdubiumSibthorp?


What is the U.S. Department of Agriculture (USDA) plant symbol for EuphorbiapulcherrimaWilld. ex Klotzsch?


What is the growth habit of HeliotropiumamplexicauleL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for european waterstarwort?


Is Euchitonjaponicus(Thunb.) A. Anderb. native to the United States?


Describe the foliage of EucalyptusglobulusLabill.?

Leaves are glossy, dark green, thick and leathery. They average in length from 5.9-7.9 in. (15-20 cm). The leaves of the young shoots are ovate, opposite, and horizontal. They are covered with a grey, waxy bloom which is much thicker on the bottom surface of the leaf.


What is the common name of EucalyptusrobustaSm.?


Where can I view images of PhyllostachysaureaCarr. ex A.& C. Rivière?


What is the common name of CrepistectorumL.?


The following species have been reported to be invasive in natural areas in the United States. Species native to the United States are included when they are invasive in areas well outside their known natural ranges, as a result of human activities.


Is japanese spiraea native to the United States?


What is the growth habit of black nightshade?


Does LantanacamaraL. pose any ecological threat?

Lantana camarais native to Central and South America and occurs in open to partly shaded moist areas. It was introduced into the United States in the 1800s and is still sold as an ornamental for landscaping. May be confused with threatened native species with which it readily hybridizes.


Describe the foliage of shoebutton ardisia?

The leathery leaves are 3-6 in. (7.6-15.2 cm) long, 1 in. (2.5 cm) wide, elliptical and entire.


What is the common name of Rytidospermapenicillatum(Labill.) Connor & Edgar?


Is CenchrusciliarisL. native to the United States?


Is common barberry native to the United States?


The leaves are linear, up to 3.2 ft. (1 m) long and triangular and fleshy in cross-section. The leaves may be erect or floating on the surface of the water.


Describe the foliage of Phragmitesaustralis(Cavanilles) Trinius ex Steudel?

Leaves are 6-23.6 in. (15-60 cm) long, 0.4-2.4 in. (1-6 cm) wide, flat and glabrous.


What is the common name of PaederiafoetidaL.?


Is this plant invasive to the United States?


What is the growth habit of birdsrape mustard?


What is the U.S. Department of Agriculture (USDA) plant symbol for RanunculusbulbosusL.?


Where can I view images of european waterstarwort?


Describe the fruit of Sphaerophysasalsula(Pallas) DC.?

Fruits are ovoid, grooved on top, inflated at maturity and 0.4-1.4 in. (1.5-3.5 cm) long.


What is the U.S. Department of Agriculture (USDA) plant symbol for italian stone pine?


The fruit is an achene about 0.08 in. (2 mm) long, often with a pappus and a "crown" of hairs.


Where can I view images of EhrhartaerectaLam.?


What is the scientific name of leporinum barley?