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


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


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 common name of AmbrosiaartemisiifoliaL.?


The basal and lower leaves have long petioles. There are usually 9 leaflets per lower leaf, although this can vary. Each leaflet is ovate with an acute or acuminate apex. The bases of these leaflets can be rounded or cordate. The lower leaflets are 1-3 in. (3-8 cm) long and have a serrate margin. The upper leaflets are similar to the lower leaflets, but are smaller and ternate in their arrangement, and have shorter petioles.


What is the common name of LysimachiavulgarisL.?


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

Invasive (Delaware), Potentially Invasive (Connecticut), Restricted (Wisconsin)


Describe the foliage of SaccharumravennaeL.?

The basal tuft of leaves and stems are covered with fine hairs.


Describe the foliage of HelichrysumpetiolareHilliard & Burtt?

Helichrysum petiolareis an evergreen plant with simple leaves. The aromatic leaves are arranged opposite one another. They are silvery grey and wooly-tomentose. The leaves are petiolate and ovate with entire margins.


Where can I view images of tall oatgrass?


What is the growth habit of LepidiumvirginicumL.?


Describe the foliage of Imperatacylindrica(L.) Beauv.?

Leaves have an off-center, whitish midrib and finely serrated margins. Leaves are up to 6 ft. (1.8 m) long, 0.5-0.75 in. (1.3-1.9 cm) wide, stiff, and have a sharp, pointed apex. Rhizomes are whitish, branched, scaly and sharp at the tips.


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


What is the U.S. Department of Agriculture (USDA) plant symbol for Elaeagnusumbellatavar. parvifolia(Wall. ex Royle) C.K. Schneid.?


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


Foliage is opposite, glossy and hairless, some-what thick, with margins slightly rolled under. Leaves are heart-shaped to somewhat triangular to elliptic, 1.5-2.5 in. (4-6 cm) long and 1-1.5 in. (2.5-4 cm) wide, with petioles 0.2-0.4 in. (5-10 mm) long.


What is the scientific name of tungoil tree?


What is the growth habit of mourningbride?


What is the scientific name of summer snowflake?


Is AdiantumhispidulumSw. native to the United States?


What is the scientific name of pride of madeira?


Describe the appearance of CaraganaarborescensLam.?

Caragana arborescensa perennial deciduous shrub or small tree that can grow up to 10-15 ft. (3-5 m) tall.


Where can I view images of evergreen clematis?


Leaves are linear, flat or folded, 10 in. (26 cm) long, 0.3 in. (5.3 mm) wide with a whitish, waxy covering. Leaf sheaths can be glabrous or hairy and the ligule is membranous with short hairs.


What is the common name of ViciasativaLinnaeus?


Describe the flowers of woman's tongue tree?

Flowers are mimosa-like, in showy, rounded clusters near stem tips, 2–2.5 in (5–6 cm) across, cream or yellowish-white; each flower with numerous long stamens.


What is the common name of GypsophilascorzonerifoliaSer.?


Is this plant invasive to the United States?


Is PennisetumvillosumR. Br. ex Fresen. native to the United States?


What is the scientific name of african mustard?


What is the growth habit of slenderleaf iceplant?


Fruits reddish brown to brown three sided nutlets. Each flower produces four nutlets.


What is the growth habit of Lophostemonconfertus(R. Br.) P.G. Wilson & Waterhouse?


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


Does Akebiaquinata(Houtt.) Dcne. 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 U.S. Department of Agriculture (USDA) plant symbol for PistaciachinensisBunge?


What is the common name of Alliariapetiolata(Bieb.) Cavara & Grande?


What is the common name of CentaureamacrocephalaPuschk. ex Willd.?


Describe the fruit of large gray willow?

The fruits are small capsules with two valves, containing many tiny seeds.


Describe the fruit of PsidiumcattleyanumSabine?

Fruits are dark red, edible and golf ball-sized.


Does tropical soda apple pose any ecological threat?

Solanum viaruminvades pastures, fields, and parks, but also has the potential to invade open forest and other natural areas. This plant forms thick stands that can be impenetrable to livestock, large wildlife, and humans.


What is the scientific name of february daphne?


What is the growth habit of ravennagrass?


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


What is the growth habit of MatricariadiscoideaDC.?


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


Is javanese bishopwood native to the United States?


What is the growth habit of Tripleurospermuminodorum(L.) Sch. Bip.?


What is the growth habit of ViciavillosaRoth?


Does coco yam, wild taro pose any ecological threat?

Colocasia esculentacan tolerate a wide range of wet to dry sites. It easily invades wetland edges, swamps, blackwater streams and riverine forests.Colocasia esculentacan form dense stands outcompeting native plants. It is native to Africa and was first brought to the Americas as a food crop for slaves. In 1910,Colocasia esculentawas also promoted as an alternative crop to potatoes by the USDA. There are similar native species and some similar exotic species but in all of these similar species their petioles attach to the margin of the leaf blades rather than in the middle as withColocasia esculenta.


Describe the flowers of yellow sweet-clover?

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.


Leucanthemum vulgareis an invasive perennial that can reach from 1-3 ft. (0.3-1 m) in height. A single plant can produce from 1-40 flowering stems.


What is the scientific name of corn cockle?


What is the common name of Verbesinaencelioides(Cav.) Benth. & Hook. f. ex Gray?


What is the growth habit of ArenariaserpyllifoliaL.?


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 foliage of LamiumamplexicauleL.?

Leaves on the stem that are not associated with flowers have petioles. Upper leaves have no petioles and occur just below flower clusters. Both types of leaves are somewhat rounded, coarsely toothed, and occur in pairs on opposite sides of the stem.


What is the common name of VeronicaarvensisL.?


Bellardia trixagois an annual herb that can grow from 6-28 in. (15-70 cm) tall.


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


What is the common name of RosabracteataJ.C. Wendl.?


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.


What is the scientific name of sericea lespedeza?


Is CyperusentrerianusBoeckl. native to the United States?


What is the scientific name of german velvetgrass?


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


Is CornussericeaL. native to the United States?


Is MenthaX verticillataL. native to the United States?


What is the common name of Osmanthusheterophyllus(G. Don) P.S. Green?


Does SpartiumjunceumL. pose any ecological threat?

S. junceumis adapted to dryer sites where its lack of leaves and thick waxy stems resist dessication. Like other broom species, it offers strong competition to other plants and contributes to increased maintenance costs on lands where it becomes established. Dry summer plants create a severe fire hazard.


What is the growth habit of Viciasativassp. sativaL.?


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


What is the common name of PlantagolanceolataL.?


Does EuphorbiacyparissiasL. pose any ecological threat?

Euphorbia cyparissiascan invade open disturbed areas such as fields, pastures, agricultural land, roadsides, and yards. It is toxic to livestock so infestations reduce the forage value of pastures and contaminates hayfields. It can form huge infestations displacing native vegetation. This plant is native to Europe and western Asia. It was first introduced into the United States in the mid 1800s as an ornamental.


Where can I view images of CotoneasterpannosusFranch.?


What is the scientific name of fireweed groundsel?


Is Trapabispinosavar. iinumaiiNakano native to the United States?


Describe the foliage of LoniceratataricaL.?

The leaves are opposite, ovate, 1.5-2.5 in. (3.8-6.4 cm) long and blue-green. Often, it is one of the first shrubs to leaf out in the spring.


What is the scientific name of orange jessamine?


Describe the fruit of LigustrumlucidumW.T. Aiton?

Fruits are <0.5 in. (1.3 cm) long, oval, fleshy and ripen to a dark blue to black color. Fruits persist into winter.


Is this plant invasive to the United States?


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

Category 1 (Alabama), Class C (Alabama), Invasive  (Michigan), Invasive (Delaware), Invasive (DOC) (Missouri), Invasive (North Carolina), Invasive, Prohibited (Connecticut), Prohibited (New York), Restricted (Wisconsin)


What is the growth habit of HibiscustrionumL.?


Fruits are egg-shaped, 0.28-0.39 in. (7-10 mm) long, and has two compartments. Seeds are very small and dark brown in color.


Is SolanummarginatumL. f. native to the United States?


What is the scientific name of nipplewort?


Does cultivated knotweed pose any ecological threat?

Persicaria wallichiican be found in moist soils and in fields, pastures, and waste areas. It is native to the Himalayan region.


What is the common name of LeptospermumscopariumJ.R. & G. Forst.?


What is the scientific name of winter vetch?


Where can I view images of DioscoreaalataL.?


Is bay biscayne creeping-oxeye native to the United States?


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


What is the growth habit of Rubusspp.L.?


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


Where can I view images of TaxuscuspidataSieb. & Zucc.?


What is the scientific name of horsetail?


What is the common name of Stellariamedia(L.) Vill.?


Flowering occurs throughout the year, when small clusters of violet flowers develop at the ends of the branches.


What is the growth habit of CenchrusciliarisL.?


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


What is the scientific name of dwarf honeysuckle?


The berries are bright red to orange and yellow in color and 0.31 in. (8 mm) across. Each berry contains 4 seeds. Fruit ripens from August to October.


Where can I view images of PhyllanthusurinariaL.?


Is this plant invasive to the United States?


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


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


What is the scientific name of night jessamine?


What is the U.S. Department of Agriculture (USDA) plant symbol for Thinopyrumintermedium(Host) Barkworth & D.R. Dewey?


Describe the appearance of BromusarvensisL.?

Bromus arvensisis an annual in the grass family (Poaceae). It is a cool season, annual grass that can range in height from 14-40 in.


Does DioscoreaalataL. 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.


Describe the appearance of HypericumperforatumL.?

Hypericum perforatumis a perennial, rhizomatous herb that can reach 4 ft. (1.2 m) in height.


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


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


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 stinknet native to the United States?


Is white mignonette native to the United States?


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


What is the scientific name of dog-strangling vine, european swallowwort?


Is fig buttercup native to the United States?


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


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


What is the common name of Syzygiumcumini(L.) Skeels?


Does torpedograss pose any ecological threat?

Panicum repensis native to Africa and Eurasia and was introduced into the United States around 1876. This species can occur in a wide variety of habitats. Plants are usually found in damp soils of riparian zones, but can also be found in pastures and on sand dunes. Plants are salt-tolerant.


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


Describe the fruit of smallflower tamarisk?


Where can I view images of dog-strangling vine, european swallowwort?


What is the growth habit of uruguayan vervain?


Is PrunuslusitanicaL. native to the United States?


Is this plant invasive to the United States?


What is the growth habit of CannaindicaL.?


What is the growth habit of florida betony?


What is the scientific name of java waterdropwort?


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


What is the growth habit of mouse barley?


Is prickly lettuce native to the United States?


What is the growth habit of Setariaitalica(L.) Beauv.?


What is the common name of Dactylisglomeratassp. glomerataL.?


Is currant tomato native to the United States?


What is the growth habit of VeronicachamaedrysL.?


Describe the fruit of LoniceramorrowiiGray?

The abundant berries are 0.25 in. (0.6 cm) in diameter, ripen to orange or red in color, often persist throughout winter and occur on 0.5 in. (1.3 cm) pedicels.


Is Alliumvinealessp. vinealeL. native to the United States?


Describe the foliage of CichoriumintybusL.?

Rosette leaves are 2-6 in. (5.1-15 cm) long, oblong with rough hairs on upper and lower surfaces. Margins may be shallowly toothed or deeply dissected. Lance-shaped stem leaves are small, sparse, alternate, and clasping with margins either smooth or slightly toothed.


What is the growth habit of winged burning bush?


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


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


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


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


Describe the foliage of CentaureastoebeL.?

Rosette leaves bluish green, hairy and covered with shiny specks interspersed with translucent dots, 4-8 in. (10-20 cm) long. The size of the leaves decrease in size above the middle of the stem. They are alternate, spiraling and jutting out and upward. Basal leaves deeply divided into elliptic or linear lobes. Lobes become more slender and fewer on upper leaves.


What is the U.S. Department of Agriculture (USDA) plant symbol for Ludwigiagrandiflorassp. hexapetala(Hook. & Arn.) Nesom & Kartesz?


Describe the appearance of SalviaaethiopisL.?

Salvia aethiopisis a biennial plant with square stems reaching up to 3 ft. (0.9 m) tall.


Where can I view images of black bamboo?


Does giant foxtail pose any ecological threat?

Setaria faberiis native to Asia and was accidentally introduced in the United States in the 1920s as a contaminant of other grain. Plants invade disturbed sites such as roadsides, landfills, fence rows and right of ways.


Flowers are 0.75 in. (1.9 cm) across with 6 petals each white to pink with a brown or reddish stripe along the center and alternating along the branches.


What is the scientific name of chinese holly?


Describe the appearance of common mullein?

Verbascum thapsusis a biennial forb native to Eurasia and Africa. Plants are unbranched and can grow to more than 6.6 ft. (2 m) tall.


What is the scientific name of knotweed?


What is the scientific name of prickly lettuce?


Where can I view images of russian knapweed?


Is this plant invasive to the United States?


What is the common name of LathyruslatifoliusL.?


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


Where can I view images of AesculusglabraWilld.?


Where can I view images of myrtle spurge?


What is the common name of EragrostiscumingiiSteud.?


Describe the flowers of GypsophilapaniculataL.?

The flowers’ calyx is 0.04-0.12 in. (1-3 mm), lobes glabrous, apex rounded to obtuse. Petals are white or rarely light purplish pink, 0.04-0.16 in. (1-4 mm). Flowering occurs from summer to fall.


Is trifoliate orange native to the United States?


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


What is the scientific name of paradise apple?


What is the growth habit of white bryony?


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


Is tall morning-glory native to the United States?


What is the growth habit of NandinadomesticaThunb.?


Describe the appearance of sawtooth oak?

Quercus acutissimais a large, up to 50 ft. (15.2 m) in height, deciduous tree that has been invading forests in the eastern United States.


Describe the fruit of Colocasiaesculenta(L.) Schott?

Plants spread vegetatively through rhizomes, stolons, offshoot corms or vegetative fragments. Fruit are small berries, but are rarely produced.


Is Rhodomyrtustomentosa(Ait.) Hassk. native to the United States?


Is this plant invasive to the United States?


What is the growth habit of SalixfragilisL.?


What is the scientific name of brazilian nightshade?


Describe the foliage of VerbenabonariensisL.?

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


Is LeucojumaestivumL. native to the United States?


Where can I view images of perilla mint?


What is the common name of RhynchosporacaducaEll.?


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


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


What is the common name of Carpobrotusedulis(L.) N.E. Br?


Does RanunculusacrisL. pose any ecological threat?

R. acriscan be found invading wet lowlands, rich woodlands, pastures, meadows, and along roadsides and other disturbed sites. It prefers heavy, moist soils but can grow in sandy or gravelly soil where there is sufficient moisture.


Where can I view images of japanese yew?


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


Where can I view images of Berteroaincana(L.) DC?


Describe the fruit of creeping capeweed?

The dark brown seeds are oblong in shape 0.08 to 0.1 in. (2-2.5 mm) long and densely covered in a brownish or pinkish colored fluffy wool. The top of the seed has a ring of 6-8 tiny scales.


Is DigitariaerianthaSteud. native to the United States?


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


What is the common name of Sonchusasper(L.) Hill?


What is the growth habit of white garland-lily?


What is the growth habit of african mustard?


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


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


What is the common name of JuncusensifoliusWikstr.?


What is the growth habit of spiny fiddlewood?


What is the common name of CyperusdifformisL.?


Is paradise apple native to the United States?


What is the scientific name of coral ardisia?


Is white kyllinga native to the United States?


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


Does japanese hedge-parsley, erect hedgeparsley pose any ecological threat?

Torilis japonicathreatens woodlands and savannas. Spreading hedge parsley (Torilis arvensis) is very similar and invasive.


Is lehmann lovegrass native to the United States?


Is this plant invasive to the United States?


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


What is the scientific name of asian flatsedge?


What is the scientific name of bulbous canarygrass?


What is the U.S. Department of Agriculture (USDA) plant symbol for Paulowniatomentosa(Thunb.) Sieb. & Zucc. ex Steud.?


What is the scientific name of trumpet-tree?


What is the scientific name of field indian paintbrush?


Flowers are yellow in color, clustered, 0.3 in. (0.32 cm) across, pointed, longer than they are wide, with 3 to 5 petals and 4 yellow stamens.


Does SonchusarvensisL. pose any ecological threat?

Sonchus arvensisoccurs along roadsides, railroads and other disturbed habitat. It is native to Eurasia.


What is the common name of PersicariawallichiiGreuter & Burdet?


The alternate leaves are polymorphic (variably shaped), 2-8 in. (5.1-20.3 cm) long and shiny with blunt teeth and heart-shaped bases. Young bark, the bark along the roots, and the inner bark along the trunk are often bright orange in color. Older bark is gray with narrow, irregular fissures.


What is the growth habit of HypochaerisglabraL.?


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 U.S. Department of Agriculture (USDA) plant symbol for LamiumamplexicauleL.?


What is the growth habit of GaliummollugoL.?


What is the scientific name of indian coralbean?


Is crapemyrtle native to the United States?


Describe the fruit of common hempnettle?

The egg-shaped seeds are mottled and grayish brown.


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


Does tatarian honeysuckle pose any ecological threat?

Lonicera tataricareadily invades open woodlands, old fields, and other disturbed sites. It can spread rapidly due to birds and mammals dispersing the seeds and can form an extremely dense understory thicket which can restrict native plant growth and tree seedling establishment. This plant is a native of eastern Asia and was first introduced into North America as an ornamental in 1752.


What is the growth habit of japanese chaff flower?


What is the common name of Hordeummurinumssp. glaucum(Steud.) Tzvelev?


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


What is the common name of TrifoliumarvenseL.?


Where can I view images of blessed milkthistle?


Where can I view images of Pyracanthakoidzumii(Hayata) Rehder?


What is the common name of RubusargutusLink?


Is this plant invasive to the United States?


Is AjugareptansL. native to the United States?


Is sacred bamboo native to the United States?


What is the common name of LamiumpurpureumL.?


What is the growth habit of giant ragweed?


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


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


What is the scientific name of denseflower knotweed?


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


What is the common name of ResedaalbaL.?


Describe the foliage of EucalyptuscamaldulensisDehnhardt?

The tree has a large, dense crown of leaves. The base of the bole can be covered with rough, reddish-brown bark. The leaf also contains several to many oil-producing glands in the un-veined areas of the leaf.


Where can I view images of Nephrolepiscordifolia(L.) C. Presl?


Where can I view images of forest redgum?


What is the growth habit of PassifloralaurifoliaL.?


What is the growth habit of incised halberd fern?


Describe the foliage of ovate goatgrass?

The leaves are pubescent with an eciliate membranous ligule. They are flat and linear from 1.2-3.0 x 0.2-0.9 in. (4-8 cm x 1.5-3 mm) long by wide.


Describe the fruit of AcerpalmatumThunb.?

The fruits ofAcer palmatumare samaras. The fruits are elongated and usually range from 0.5-0.75 in. (1.3-2 cm) long. The covering of the fruit is dry and hard. The color of the fruit ranges from green to reddish green. Fruits ripen from September-October.


What is the growth habit of Caesalpiniagilliesii(Wall. ex Hook.) Wall. ex D. Dietr.?


Where can I view images of Liriopespicata(Thunb.) Lour.?


What is the growth habit of TectariaincisaCav.?


What is the invasive/noxious status of yellow sweet-clover and where is it classified as such?


Is this plant invasive to the United States?


Where can I view images of LigustrumamurenseCarrière?


What is the scientific name of australian redcedar?


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


Is catclaw mimosa native to the United States?


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


Where can I view images of AesculushippocastanumL.?


What is the invasive/noxious status of callery pear (bradford pear) and where is it classified as such?

Category 2 (Alabama), Invasive (Delaware), Invasive (DOC, IPC) (Missouri), Invasive (North Carolina), Tier 2 (Maryland)


Where can I view images of tropical burnweed?


Where can I view images of field madder?


What is the growth habit of wild marigold?


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


What is the growth habit of PistaciachinensisBunge?


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


Describe the foliage of bluebuttons, field scabious?

The opposite leaves are quite variable. They can be simple or compound with margins entire or serrate.


Where can I view images of chinese pistache?


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


Is Wisteriasinensis(Sims) DC. native to the United States?


Is PolygonumposumbuBuch.-Ham. ex D. Don native to the United States?


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


Is beechey's withe native to the United States?


Is GlossostigmacleistanthumW.R. Barker native to the United States?


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


What is the growth habit of seaside rose?


Where can I view images of white bladderflower?


Fruits are two-seeded, slender and 0.78 in. (2 cm) long. Seeds are 0.51-0.75 in. (13-19 mm) long, winged with a brown, ovate central seed body.


Is Pinuscontortavar. latifoliaEngelm. ex S. Watson native to the United States?


Where can I view images of grecian foxglove?


Describe the flowers of CarduusnutansL.?

Showy, solitary, hemispherical, red to purple, disk flowers bloom from June to September. Phyllaries are spinetipped and overlap with several rows.


Is black peppermint native to the United States?


What is the growth habit of Hygrophilapolysperma(Roxb.) T. Anders.?


Where can I view images of mauritius hemp?


Is Alpiniapurpurata(Vieill.) K. Schum. native to the United States?


The leaves are simple, 6-10 in. (15.2-25.4 cm) long, alternate, and either heart-shaped or with three pointed lobes. The petioles are long and there is a distinctive red gland at the base of each leaf.


What is the growth habit of miramar weed?


Where can I view images of PaspalumdilatatumPoir.?


What is the growth habit of FicuscaricaL.?


Is malabar plum native to the United States?


What is the scientific name of arabian schismus?


Describe the flowers of japanese climbing fern?


What is the scientific name of southern catalpa?


Is DigitalislanataEhrh. native to the United States?


Does CentaureadiffusaLam. pose any ecological threat?

This species prefers well drained soils, gravel pits, trails, pastures and roadsides.


What is the invasive/noxious status of Cortaderiaselloana(Schult. & Schult. f.) Asch. & Graebn. and where is it classified as such?


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


Is GeraniumhomeanumTurcz. native to the United States?


What is the scientific name of common ragweed?


Where can I view images of ArctiumlappaL.?


What is the growth habit of SpiraeathunbergiiSieb. ex Blume?


What is the growth habit of Cerastiumfontanumssp. vulgare(Hartman) Greuter & Burdet?


Describe the foliage of HypericumperforatumL.?

Leaves are opposite, sessile, elliptic, 0.4-1.2 in. (1-3 cm) long and dotted with many pellucid glands.


What is the scientific name of showy buttercup?


Does smooth cordgrass pose any ecological threat?

Spartina alterniflorawas introduced on the west coast in the early 1970s to be used as erosion control. Plants have become extremely invasive in San Francisco Bay, Willapa Bay and Puget Sound.


Is this plant invasive to the United States?


What is the growth habit of arabian coffee?


Is Viciahirsuta(L.) S.F. Gray native to the United States?


What is the common name of SclerialacustrisC. Wright?


Is MalusfloribundaSieb. Ex Van Houtte native to the United States?


Is TrifoliumpratenseL. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for GeraniumthunbergiiSieb. & Zucc. ex Lindl. & Paxton?


Describe the appearance of SalsolatragusL.?

Salsola tragusis an annual herb that can grow to 4 ft. (1.2 m) tall. It was introduced into the United States in the mid 1870s, possibly as a contaminant in flax seed.


They have patches of fine white hairs beneath each opposite pair of leaves, otherwise they are mostly glabrous. The opposite leaves are up to 3 in. (1.6 cm) long and 0.13 in. (0.32 cm) across. They are linear, sessile, and usually slightly pubescent. The base of each pair of leaves wraps around the stem in a sheath, where the stem is somewhat broader and knobby.


Is scarlet firethorn native to the United States?


What is the scientific name of african asparagus fern?


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


What is the growth habit of helleborine?


What is the common name of PrunusdomesticaL.?


Is strawberry guava native to the United States?


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


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


Is goutweed native to the United States?


Where can I view images of ivyleaf speedwell?


Does BerberisthunbergiiDC. pose any ecological threat?

Berberis thunbergiiinvades a variety of habitats from shaded woodlands to open fields and wetlands.Berberis thunbergiiis rapidly spread by birds that eat the berries thus dispersing the seeds. It is native to Asia and was first introduced into The United States in 1864 as an ornamental. It is still widely planted for landscaping and hedges.


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.


Where can I view images of MyriophyllumspicatumL.?


What is the common name of Lantanamontevidensis(Spreng.) Briq.?


What is the growth habit of Schizachyriumcondensatum(Kunth) Nees?


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


Is ThunbergiaalataBojer ex Sims native to the United States?


Fruits are small achenes, 1.52 in. (45 mm) long, about 0.04 in. (1 mm) in diameter, including a white to light brown pappus. The seeds have longitudinal dotted stripes.


Where can I view images of japanese privet?


What is the U.S. Department of Agriculture (USDA) plant symbol for Silenelatifoliassp. alba(Mill.) Greuter & Burdet?


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


What is the growth habit of athel tamarisk?


What is the growth habit of Kummerowiastipulacea(Maxim.) Makino?


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


Is Citrustrifoliata(L.) Raf. native to the United States?


Does spurge flax pose any ecological threat?

T. passerinagrows aggressively; is unpalatable to livestock; and can be found in rangeland areas, disturbed sites and dry pastures.


Where can I view images of chinese wisteria?


Describe the foliage of UtriculariainflataWalter?

U. inflatahas a distinctive spoke-like whorl of 4-10 wedge shaped leaves that float and are 1.6-3.5 in. (4-9 cm) long.


Inflorescence is a large panicle 7.9-13.8 in. (20-35 cm) long, with 1000 to 3000 flowers. Flowers are white to pink, sessile, with oblong to obovate petals that are 0.08-0.12 in. (2-3 mm) long.


What is the common name of PaspalumquadrifariumLam.?


What is the growth habit of Cyrtomiumfalcatum(L. f.) C. Presl?


Where can I view images of Ipomoeaindica(Burm. f.) Merr.?


Is this plant invasive to the United States?


Is LysimachiavulgarisL. native to the United States?


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


Is LoliummultiflorumLam. native to the United States?


Describe the appearance of LoniceraxylosteumL.?

Lonicera xylosteumis a perennial shrub that can reach 8-10 ft. (2.4-3 m) tall.


Describe the flowers of ChelidoniummajusL.?

The bright yellow flowers are contained in axillary pedunculate umbels. The peduncle itself measures 0.75-4 in. (2-10 cm) long. Each flower has four obovate to oblong petals that measure about 0.4 in. (1 cm) wide. This plant usually flowers from May to June.


Where can I view images of ChenopodiummuraleL.?


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


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


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


What is the common name of SilenegallicaL.?


What is the growth habit of white clover?


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


Is red beadtree native to the United States?


Is indian rosewood native to the United States?


What is the scientific name of plumleaf crabapple?


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


What is the growth habit of shortpod mustard?


What is the common name of ClematisvitalbaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Macfadyenaunguis-cati(L.) A.H. Gentry?


What is the growth habit of ClerodendrumspeciosissimumVan Geert ex Morr.?


Is Stachytarphetacayennensis(Rich.) Vahl native to the United States?


What is the scientific name of woman's tongue tree?


Is cherry laurel native to the United States?


Describe the foliage of ZygophyllumfabagoL.?

The opposite, compound leaves consist of two leaflets giving them a Y-shaped appearance. Leaves are thick, fleshy and glabrous.


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


Is this plant invasive to the United States?


What is the common name of Reynoutriax bohemicaChrtek & Chrtková?


Does DelaireaodorataLem pose any ecological threat?

Delairea odoratahas become an invasive species in California, Hawaii, Oregon, New Zealand and Australia. The plant will cover shrubs and trees, inhibiting growth and will also cover ground intensively over a wide area, thereby preventing seeds from germinating or growing. It is native to South Africa.


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


Where can I view images of pride of madeira?


What is the scientific name of common reed?

Phragmitesaustralis(Cavanilles) Trinius ex Steudel


Is Cytisusstriatus(Hill) Rothm native to the United States?


What is the scientific name of fivestamen tamarisk?


Leaves are dark green and lanceolate to oblong-lanceolate. They are glabrous above, but their undersides have short, white hairs. They may be pinnatifid and very prickly. Basal leaves are 5-8 in. (12-20 cm) long. Leaves are usually sessile to slightly clasping. Leaf characteristics are variable across different varieties and subspecies.


Is field pepperweed native to the United States?


Is CasuarinaglaucaSieb. ex Spreng native to the United States?


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


Where can I view images of tall lettuce?


Is giant hogweed native to the United States?


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


What is the common name of PolygonumposumbuBuch.-Ham. ex D. Don?


What is the scientific name of chinese banyan?


Flowering occurs from May to June, when hundreds of yellow flowers develop. Flowers are arranged in an umbel.


Describe the flowers of UtriculariainflataWalter?

Flowers are yellow and snap dragon like. They are about 0.8 in. (20 mm) wide and are held above the water in groups of 3-14 flowers on stalks.


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


Is cape ivy native to the United States?


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


Is elephant grass native to the United States?


What is the growth habit of Carissamacrocarpa(Ecklon) A. DC.?


Describe the appearance of tall buttercup?

Ranunculus acrisis a short lived perennial herbaceous plant. The plant is erect, hairy, grows from 10-40 in. (25.4-101.6 cm) tall and has fibrous roots.R. acrisis native to temperate Asia and Europe.


What is the growth habit of wild buckwheat?


Is this plant invasive to the United States?


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


What is the common name of Pyracanthakoidzumii(Hayata) Rehder?


Where can I view images of cherokee rose?


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


What is the growth habit of AmorphafruticosaL.?


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


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


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


Describe the appearance of canadian horseweed?

Erigeron canadensisis a winter or summer annual herbaceous plant in the sunflower family. The plants are erect reaching 0.5-7 ft (30-150 cm) tall. Stout angular-terete stems are usually unbranched at the base, however damage to the apical growing points can cause branching. It has a short taproot with secondary fibrous roots.


What is the growth habit of CamelinamicrocarpaDC.?


Describe the flowers of PistiastratiotesL.?

This plant flowers year-round in southern Florida, but peaks during summer and early autumn.


What is the scientific name of canary island st. johnswort?


What is the common name of ArtemisiaannuaL.?


Where can I view images of Arthraxonhispidus(Thunb.) Makino?


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


Is plume poppy native to the United States?


Describe the flowers of ArtemisiaabsinthiumL.?

Flowering occurs in midsummer, when pale yellow, tubular flowers develop in drooping heads in the axils of the leaves.


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


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


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 FicariavernaHuds. pose any ecological threat?

Ficaria vernainvades moist, forested floodplains. It is a spring ephemeral and grows vigorously, creating dense mats that exclude all other vegetation. It is a threat particularly to the native forest spring ephemerals that have to compete for light and space with this invasive. The plant is native to Europe and was first introduced into the United States as an ornamental. It is currently sold and widely planted as an ornamental.


What is the scientific name of staghorn sumac?


Is primrose-willow native to the United States?


What is the growth habit of asiatic hawksbeard?


Where can I view images of miramar weed?


Is AgrostiscaninaL. native to the United States?


What is the scientific name of indian mustard?


What is the U.S. Department of Agriculture (USDA) plant symbol for Platyceriumbifurcatum(Cav.) C. Chr.?


What is the common name of Pennisetumspp.L.C. Rich. ex Pers?


What is the growth habit of Crepiscapillaris(L.) Wallr?


Is orange jessamine native to the United States?


What is the growth habit of london rocket?


Where can I view images of california burclover?


What is the common name of LotussubbiflorusLag.?


What is the common name of Passifloratripartitavar. mollissima(Kunth) Holm-Niesen & P.M. Jørg.?


Describe the appearance of CyperusesculentusL.?

Cyperus esculentusis a native perennial, with upright, triangular stems up to 2 ft. (0.61 m) tall and short, scaly rhizomes.


What is the common name of AcerpseudoplatanusL.?


Describe the appearance of SaccharumravennaeL.?

Saccharum ravennaeis a tall clumping grass with a basal tuft of leaves and flowering stalks that reach heights of 8-12 ft. (2.4-3.7 m), towering over big bluestem and other plants and making them easily visible from a distance. The base of the clump can be several feet in diameter indicating a sizeable root mass.


Does punagrass pose any ecological threat?

Achnatherum brachychaetumcan be found in disturbed sites. It is often seen in alfalfa fields and nearby drainage ditches, dairies, and horse pastures.


Does SaccharumravennaeL. pose any ecological threat?

Saccharum ravennaehas been observed spreading from plantings along roadsides and other disturbed edge habitats as well as in fields and other open sites. Control is difficult with the most effective method simply to physically remove the plants by pulling or digging them out.Saccharum ravennaeis native to southern Europe and was introduced for ornamental purposes.


Describe the foliage of african mustard?

The leaves are mainly in a basal rosette and are green, pinnately lobed, and have toothed margins which are prickly hairy.


Where can I view images of scarlet spiderling?


Describe the foliage of Berteroaincana(L.) DC?

Stems are gray-green and hairy with many branches near the top. Alternate leaves are gray-green, hairy, alternate, oblong, narrow, 0.5-3 in. (1.3-7.6 cm) long, with smooth edges.


What is the scientific name of palmleaf dewberry?


Describe the foliage of Halogetonglomeratus(Bieb.) C.A. Mey.?

Leaves are alternate, sessile, semi-succulent and 0.2-0.9 in. (4-22 mm) long.


Describe the fruit of Cirsiumpalustre(L.) Scop.?

The mature pappus is white and 0.4 in. (1 cm) in length or less. The small, straw-colored achenes are 0.1 in. (3 mm) long.


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


What is the U.S. Department of Agriculture (USDA) plant symbol for Cryptomeriajaponica(L. f.) D. Don?


Is this plant invasive to the United States?


What is the growth habit of japanese stiltgrass?


Where can I view images of MirabilisjalapaL.?


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


What is the common name of Viciacraccassp. craccaL.?


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


What is the common name of Richardiagrandiflora(Cham. & Schlecht.) J.A. & J.H. Schultes?


Is smallflower sweetbrier native to the United States?


Describe the flowers of Colocasiaesculenta(L.) Schott?

Flowering seldom occurs outside of the native range. Flowers, when present, are small and densely crowded at the apex of a fleshy stalk.


Describe the fruit of chinese silvergrass?

Each fertile floret in the panicle bears an awn that is 0.3-0.4 in. (8-10 mm) long and is spirally twisted at its base. It can also spread through rhizomes.


What is the growth habit of purple crown-vetch?


What is the scientific name of striated broom?


What is the growth habit of goldenrain tree?


Phragmites australisis a tall, perennial grass that can grow to heights of 15 ft. (4.6 m) or more. Broad, pointed leaves arise from thick, vertical stalks.


Where can I view images of Spartinapatens(Ait.) Muhl.?


Is eurasian watermilfoil native to the United States?


Describe the fruit of twoleaf watermilfoil?

Fruits are small, nearly round and have a rough surface.


Describe the flowers of Firmianasimplex(L.) W. Wight?

Firmiana simplexhas abundant showy slightly fragrant flowers that appear in late spring or early summer. The flowers are held in terminal, large 10-20 in. (25.4-50.8 cm) wide, loose panicles clustered at the tips of last year’s branches. The flowers lack petals, but have sepals that are yellow and white.


What is the growth habit of BromuscatharticusVahl?


Does hydrilla pose any ecological threat?

Hydrilla verticillataforms dense mats at the surface of the water. The dense mats can restrict native vegetation, irrigation practices, recreation, hydroelectric production, and water flow. It can invade most slow-moving or still water systems. This plant is believed to be native to Asia or Africa, although it is widely spread across the globe. It was first introduced into North America as an aquarium plant in the 1950s.


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


Albizia julibrissinis a small tree that is 10-50 ft. (3-15.2 m) in height, often having multiple trunks.


Describe the flowers of HelichrysumpetiolareHilliard & Burtt?

The flowers are many-petaled and yellow with creamy white bracts. The plants bloom from August to September.


Is european bird cherry native to the United States?


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


What is the scientific name of babysbreath?


What is the scientific name of corn spurry?


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

Invasive (North Carolina), Potentially Invasive, Prohibited (Connecticut), Restricted (Wisconsin)


Where can I view images of SherardiaarvensisL.?


What is the scientific name of pale yellow iris, yellow flag iris?


What is the growth habit of EmiliafosbergiiD.H. Nicols.?


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


Where can I view images of purpleosier willow?


Is yellow glandweed native to the United States?


Describe the flowers of summer snowflake?

Flowers are white with green tips, nodding, bell shaped, and are found in groups of 2 to 5 at the top of hollow flower scapes that are 12-15 in. (30.5-38.1 cm) tall. Flowering occurs in 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.


Where can I view images of BuddlejadavidiiFranch.?


What is the scientific name of dallisgrass?


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


What is the scientific name of dwarf waterclover?


What is the common name of Eragrostiscurvula(Schrad.) Nees?


Is spiny plumeless thistle native to the United States?


Does BrassicatournefortiiGouan pose any ecological threat?

Brassica tournefortiiprefers disturbed areas such as roadsides and abandoned fields. It is native to Africa, Asia, and Europe.


Is MedicagolupulinaL. native to the United States?


What is the growth habit of blue panicum?


Is north african knapweed native to the United States?


Is california satintail native to the United States?


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


Describe the appearance of yellow toadflax?

Linaria vulgarisis a perennial herb that can reach 3.3 ft. (1 m) tall with erect, smooth stems that emerge in clumps from a spreading root system.


Describe the flowers of LonicerastandishiiJacques?

The white flowers are showy and fragrant. Five petals with four fused into a 4-lobed lip at the top and a 1-lobed lip at the bottom and petals are pilose (hairy) on the exterior; ovaries are fused. It blooms from February to March.


What is the growth habit of SalixmatsudanaKoidzumi?


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


Where can I view images of redhot poker?


Where can I view images of moist sowthistle?


What is the growth habit of Acaciamearnsiide Wildeman.?


Where can I view images of tasmanian bluegum?


Where can I view images of cape bugle-lily?


Is this plant invasive to the United States?


Is kingdevil hawkweed native to the United States?


What is the growth habit of siberian crabapple?


What is the common name of Ecliptaprostrata(L.) L.?


Flowers originate in the leaf axils and are green with five petals. Male and female flowers occur on separate plants (dioecious). Female flowers occur in cone-shaped clusters that hang down and the male flowers occur in upright flower stems.


Where can I view images of scarlet firethorn?


What is the growth habit of corn spurry?


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


What is the scientific name of spearleaf swampmallow?


What is the growth habit of cure for all?


Where can I view images of slender false garlic?


What is the scientific name of low cudweed?


Is indian rubberplant native to the United States?


What is the common name of Sphagneticolatrilobata(L.C. Rich.) Pruski?


What is the common name of Retamamonosperma(L.) Boiss.?


What is the common name of SinapisarvensisL.?


What is the growth habit of crested latesummer mint?


What is the scientific name of mulberryweed?


What is the common name of Furcraeafoetida(L.) Haw?


Describe the flowers of AegilopscylindricaHost?

Flowering occurs in May to June, when the plants produce red (when mature) or straw-colored spikes. Spikes are cylindrical and contain 2-12 spikelets per spike.


Where can I view images of CarduuspycnocephalusL.?


Where can I view images of black locust?


Is Sennapendulavar. glabrata(Vogel) Irwin & Barneby native to the United States?


What is the growth habit of Sorbariasorbifolia(L.) A. Braun?


Where can I view images of PinusnigraArnold?


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


What is the growth habit of dyer's greenweed?


Where can I view images of long's sedge?


Fruits are 0.1 in. (2.5 mm) long, tan-grey to black, usually grouped in fours. Seeds are 0.08-0.12 in. (2-3 mm) long, brownish in color, wrinkled, and 3 sided.


Is kahiliflower native to the United States?


What is the growth habit of pearl millet?


Describe the foliage of european privet?

Leaves are opposite, lanceolate, 1-2.4 in. (2.5-6 cm) long and 0.2-0.6 in. (0.5-1.5 cm) wide.


What is the growth habit of sycamore maple?


Is this plant invasive to the United States?


What is the growth habit of SyngoniumpodophyllumSchott?


Describe the fruit of FrangulaalnusMill.?

The fleshy fruit ripens from red to a dark purple or black color. You can see ripe fruit beginning about July through September.


Where can I view images of Chamaecyparislawsoniana(A. Murr.) Parl.?


Is BromusracemosusL. native to the United States?


What is the growth habit of SpartiumjunceumL.?


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


Is weeping higan cherry native to the United States?


Where can I view images of fourleaf manyseed?


What is the growth habit of SchismusarabicusNees?


Describe the appearance of UlmuspumilaL.?

Ulmus pumilais a deciduous tree up to 70 ft. (21.3 m) in height. The crown is open and rounded with slender, spreading branches. The bark is light-gray with irregular furrows.


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


Describe the foliage of common periwinkle?

Leaves are opposite, dark green, glossy, oval to lance-shaped, thick-textured; may be variegated.


What is the growth habit of Wisteriafloribunda(Willd.) DC.?


Is miramar weed native to the United States?


What is the growth habit of kentucky bluegrass?


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


Does PotentillarectaL. pose any ecological threat?

P. rectaoccurs in pastures, rangelands, along roadsides and other disturbed sites. NOTE: The native graceful or slender cinquefoil,P. gracilishas short hairs that lie flat on the stems and leaves and brighter yellow flowers than the invasiveP. recta.


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

Flowering occurs from July to September, when small, creamy-white flowers with purple throats develop in clusters of two to four.


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


Is australian redcedar native to the United States?


Does HeracleummantegazzianumSommier & Levier pose any ecological threat?

Heracleum mantegazzianumcan outcompete species for habitat, especially in riparian zones, and it may cause increased soil erosion. This plant is on the federal noxious weed list because of its poisonous sap. This sap makes skin very sensitive to UV radiation, causing blistering and severe burns. Caution should be taken when handling this weed. Removing it manually becomes very difficult because of the danger caused by its sap.


What is the common name of PinusnigraArnold?


Where can I view images of EugeniaunifloraL.?


What is the growth habit of amur silvergrass?


Is this plant invasive to the United States?


Fruits are shiny, rounded, 0.25 in. (0.64 cm) wide, deep purple berries each containing one seed. Seeds are black, 0.13 in. (0.32 cm) wide, and lens shaped.


Is RhamnuscatharticaL. native to the United States?


Is american sweetflag native to the United States?


Describe the flowers of VerbascumblattariaL.?

Flowers are up to 1 in. (2.5 cm) across and have 5 white to pale yellow petals with some purple coloring close to the center. The blooming period occurs during the summer.


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


Describe the foliage of Alternantheraphiloxeroides(Mart.) Griseb.?

Opposite, elliptical leaves are thick but non-succulent and are up to 4 in. (10 cm) long.


Where can I view images of AgrostisgiganteaRoth?


Flowers are small, white, and held in umbels about 3 in. (7.6 cm) across (appearing in early summer).


Where can I view images of brittleleaf naiad?


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


What is the scientific name of jimsonweed?


Is Sacciolepisindica(L.) Chase native to the United States?


Describe the flowers of CommelinabenghalensisL.?

Aboveground flowers are very small with relatively large lilac to blue petals and are present from the spring into the fall. Underground flowers, which grow on burrowing rhizomes, are white and very small.


What is the U.S. Department of Agriculture (USDA) plant symbol for Euonymusfortunei(Turcz.) Hand.-Maz.?


Is thymeleaf speedwell native 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 perennial sowthistle pose any ecological threat?

Sonchus arvensisoccurs along roadsides, railroads and other disturbed habitat. It is native to Eurasia.


What is the growth habit of thinfruit sedge?


What is the scientific name of leatherleaf mahonia?


Does LamiummaculatumL. pose any ecological threat?

Lamium maculatumcan form a dense mound that overtakes ground area. It is native to Eurasia.


Is this plant invasive to the United States?


Describe the appearance of absinth wormwood?

Artemisia absinthiumis an herbaceous, perennial plant that can grow up to 5 ft. (1.5 m) tall. It has many branching stems arising from a woody base.


Is scarlet pimpernel native to the United States?


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

Noxious (United States), Prohibited (Wisconsin), Regulated (Minnesota)


Fruits are small, about 0.07 in. (1.8 mm).


What is the growth habit of ConvallariamajalisL.?


What is the invasive/noxious status of Callicarpadichotoma(Lour.) K. Koch and where is it classified as such?


Does japanese honeysuckle pose any ecological threat?

Lonicera japonicainvades a wide variety of habitats including forest floors, canopies, roadsides, wetlands, and disturbed areas. It can girdle small saplings by twining around them, and can form dense mats in the canopies of trees, shading everything below. A native of eastern Asia, it was first introduced into North America in 1806 in Long Island, NY.Lonicera japonicahas been planted widely throughout the United States as an ornamental, for erosion control, and for wildlife habitat.


Does malta starthistle pose any ecological threat?

Centaurea melitensisprefers disturbed areas such as grasslands, open woodlands, roadsides, fields, and pastures. It is native to Europe and North America.


What is the U.S. Department of Agriculture (USDA) plant symbol for Rotalarotundifolia(Buch.-Ham. ex Roxb.) Koehne?


Does moth mullein pose any ecological threat?

Verbascum blattariaprefers highly disturbed areas including pastures, vacant lots, roadsides, and abandoned fields. It is native to Eurasia.


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


What is the growth habit of RumexcrispusL.?


Is Cenchrussetaceus(Forssk.) Morrone native to the United States?


The leaves are smooth, cylindrical , and hollow and emerge from the base of the plant. It also produces stiff flower stems up to 2.5 ft. (0.46 m) tall.


What is the invasive/noxious status of crested latesummer mint and where is it classified as such?

Potentially Invasive, Prohibited (Connecticut)


What is the common name of Hieraciumx floribundumWimmer & Grab. [caespitosum x lactucella]?


Is GaliumaparineL. native to the United States?


Describe the fruit of winged burning bush?

The fruit which appears from September to October are reddish capsules that split to reveal orange fleshy seeds.


What is the common name of Arthraxonhispidusvar. hispidus(Thunb.) Makino?


The seeds are large grains that are linear-oblongoid in shape.


Is oakforest woodrush native to the United States?


What is the growth habit of panic veldtgrass?


What is the scientific name of tufted wallaby grass?

Rytidospermacaespitosum(Gaudich.) Connor & Edgar


Is this plant invasive to the United States?


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.


What is the common name of TrifoliumhybridumL.?


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


What is the scientific name of bulbous buttercup?


Describe the foliage of CarexkobomugiOhwi?

The leaves have small, coarse teeth along the margins of the leaves.


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


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

Potentially Invasive, Prohibited (Connecticut), Prohibited (New York)


Describe the flowers of SisymbriumaltissimumL.?

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


What is the growth habit of LamiumamplexicauleL.?


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


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 Polypogonmonspeliensis(L.) Desf.?


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


Is Schizachyriumcondensatum(Kunth) Nees native to the United States?


Is scots heath native to the United States?


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


Where can I view images of Pyracanthaspp.L.?


Describe the foliage of CampanularapunculoidesL.?

The rough, serrate leaves are alternate with hairs on the underside. Basal leaves are heart-shaped and 1-3 in (cm) long with long petioles. Upper leaves are narrow, lance-shaped and with little to no petiole. Leaves are reduced to bracts in inflorescence.


Does dotted duckmeat pose any ecological threat?

Landoltia punctata invades quiet waters such as ponds, ditches, swamps and backwaters. It grows very quickly in water high in nutrients, for example from run off of fertilized fields. It is sometimes used to clean waste water. It probably has been introduced multiple times, possibly through the aquarium and water garden trade. Birds and other wildlife may transport it short distances, but it desiccates quickly after removal from the water.Landoltia punctatais often seen in large, almost pure populations while native duckweeds usually occur together with other duckweed species.


Where can I view images of wild buckwheat?


Is ravennagrass native to the United States?


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


Leaves are large, broadly oval to heart-shaped (6-12 in. [15.2-30.5 cm] long, 5-9 in. [12.7-22.8 cm] wide) and arranged opposite along the stem, hairy on both surfaces. Petioles are also hairy and can be sticky when young. Leaves growing off root sprouts have been measured up to 2 ft. (0.6 m) in length. Twigs are stout, brown, and speckled with white dots (lenticels). They can be slightly hairy when young. Lateral leaf scars are somewhat round, becoming darker and sunken. The pith is chambered or sometimes hollow.


Is ThlaspiarvenseL. native to the United States?


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


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


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


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


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


Is EuphorbiaterracinaL. native to the United States?


Is smooth barley native to the United States?


Describe the appearance of Tamarixaphylla(L.) Karst.?

Tamarix aphyllais deciduous shrub that can grow up to 15 ft. (4.6 m) in height.


Describe the fruit of SalviaaethiopisL.?

Four smooth nutlets with dark veins develop from each flower. Mature plants break off and become tumbleweeds, easily spreading as many as 100,000 seeds each.


Is japanese zelkova native to the United States?


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


Is Strigosellaafricana(L.) Botsch. native to the United States?


Is this plant invasive to the United States?


Describe the fruit of VerbenaincomptaP. W. Michael?

V. incomptafruits are tiny nutlets within the persistent calyx and bracts. Four seeds are produced for each flower.


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


What is the common name of MyriophyllumspicatumL.?


Is common purslane native to the United States?


What is the common name of Hirschfeldiaincana(L.) Lagrèze-Fossat?


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 U.S. Department of Agriculture (USDA) plant symbol for MorusalbaL.?


What is the growth habit of CitharexylumcaudatumL.?


Is TragopogondubiusScop. native to the United States?


Fruit are small, hairy seed pods that are spread by wind.


Is wintergreen barberry native to the United States?


What is the growth habit of ZygophyllumfabagoL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Chasmanthefloribunda(Salisb.) N.E. Br.?


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


Where can I view images of ElaeagnuspungensThunb.?


What is the common name of Citrulluscolocynthis(L.) Schrad.?


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

Invasive, Prohibited (Connecticut), Restricted (Wisconsin)


Does AmbrosiaartemisiifoliaL. pose any ecological threat?

This plant is common throughout the United States and causes hay fever in many people. It is commonly found along ditches and waste areas. It is not highly competitive in crops or rangeland. Native to all U.S. states except Hawaii and Alaska.


Is asiatic dayflower native to the United States?


Describe the appearance of siberian elm?

Ulmus pumilais a deciduous tree up to 70 ft. (21.3 m) in height. The crown is open and rounded with slender, spreading branches. The bark is light-gray with irregular furrows.


Is this plant invasive to the United States?


Where can I view images of Pileamicrophylla(L.) Liebm.?


What is the common name of ThunbergialaurifoliaLindl.?


What is the scientific name of white willow?


What is the common name of MelastomacandidumD. Don?


What is the growth habit of Coixlacryma-jobiL.?


Describe the foliage of dotted duckmeat?

Mature fronds ofLandoltia punctataappear 1.5 to 2 times longer than wide, with widths measuring from 0.04-0.12 in. (1-3 mm). Fronds range from egg-shaped to kidney-shaped. They are an intense green color. Fronds may sparkle in the sunlight as a result of their waxy cuticle. Similar native duckweed,Spirodela polyrrhiza, often has a red spot on the top of the frond.


Describe the flowers of PaspalumquadrifariumLam.?

Flowers are produced in 15-25, 2.4-3.1 in. (6-8 cm) long racemes per plant.


What is the scientific name of golden bellapple?


Flowers are found in clusters of small, cream to white, fragrant, cup-shaped flowers with 5 petals and yellow stamens. The blooming period occurs from April to May.


What is the common name of ViciagrandifloraScop.?


What is the common name of FicuscaricaL.?


What is the common name of SherardiaarvensisL.?


Najas minoris a monoecious plant, with 1-2 flowers per axil. The male flowers are located distally and are 0.08 in. (1.9-2.2 mm) in size. The involucre has two lobes and the beaks are 0.02-0.08 in. (0.4-2.1 mm) in length. The female flowers are located in the distal to proximal axils and measure 0.8 in. (2.2 mm) in size.


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


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


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


What is the scientific name of purple deadnettle?


What is the scientific name of foxglove?


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.


Flowers are 0.3-0.4 in. (0.8-1 cm) long, upper lip is pale purple and lower lip is white. Flowering occurs from March to May.


Where can I view images of PsidiumcattleyanumSabine?


What is the scientific name of false yellowhead?


What is the common name of SalixbabylonicaL.?


What is the common name of TrifoliumresupinatumL.?


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


Is Ageratinaadenophora(Spreng.) King & H.E. Robins. native to the United States?


Describe the flowers of PhalarisarundinaceaL.?

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.


What is the common name of VeronicabilobaL.?


Where can I view images of small philippine acacia?


What is the common name of AmorphafruticosaL.?


What is the common name of Sporobolusindicusvar. pyramidalis(P. Beauv.) Veldkamp?


Is AsparagusaethiopicusL. native to the United States?


Does coral ardisia pose any ecological threat?

Ardisia crenatathrives in shade and deep, rich soil, but can survive in any non-saturated soil. This plant is a native of Southeast Asia and was introduced into Florida as an ornamental around 1900. Readily invades hardwood hammocks and can form dense monocultures in the forest understory. Mature plants are usually surrounded by a blanket of seedlings. It has also been seen to invade scrub, sandhill, mesic flatwoods, hydric hammocks, bottomland forests, maritime ham-mocks, lake shores, and ruderal communities. (Wunderlin and Hansen 2004).


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


What is the growth habit of fourleaf manyseed?


Leaves are hard and bristle-like, bluish green and up to 0.25 in. (0.6 cm) wide, appearing narrower because blades are tightly folded along the midrib.


Is JasminumdichotomumVahl native to the United States?


Describe the foliage of japanese dodder?

The many-branching stems are fleshy, circular, and pale yellow with red spots and striations. Leaves are minute and scale-like.


What is the common name of AmbrosiatomentosaNutt.?


Is GaliummollugoL. native to the United States?


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


What is the growth habit of egyptian broomrape?


Is this plant invasive to the United States?


Is flamegold native to the United States?


Is CuscutaapproximataBab. native to the United States?


What is the growth habit of TaxuscuspidataSieb. & Zucc.?


Where can I view images of fragrant waterlily?


Is Cicutadouglasii(DC.) Coult. & Rose native to the United States?


Fruit are capsule that are egg-shaped to ellipsoid, green with brownish lines, up to 0.6 in. (1.5 cm) long, and generally hairy.


Is california burclover native to the United States?


What is the growth habit of Vitexagnus-castusL.?


What is the common name of Persicariaglabra(Willd.) M. Gómez?


What is the scientific name of passionflower?


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


Describe the foliage of greater celandine?

The alternate cauline leaves can be up to 13 in. (35 cm) in length, with petioles measuring 0.75-4 in. (2-10 cm) long. The thin leaf blades are glaucous beneath, deeply 5-9 lobed and are irregularly dentate around the margins. The veins of the lower leaf surfaces have fine, short hairs.


T. passerinahas alternate leaves that are narrow and linear with an acute apex. The leaves have a leathery texture and are from 0.3-1.0 in. (8-25 mm) long.


What is the common name of QuisqualisindicaL.?


Where can I view images of hottentot fig?


The inflorescence is a jointed, cylindrical raceme, 1-6 in. (2.5-15.24) long.


What is the growth habit of Euonymusalatus(Thunb.) Sieb.?


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


Where can I view images of CrepistectorumL.?


Does TamarixramosissimaLedeb. pose any ecological threat?

T.ramosissimainvades stream banks, sandbars, lake margins, wetlands, moist rangelands, and saline environments. It can crowd out native riparian species, diminish early successional habitat, and reduce water tables and interferes with hydrologic process.


Where can I view images of Lepidiumdraba(L.) Desv?


What is the scientific name of forest redgum?


Describe the appearance of MyriophyllumheterophyllumMichx.?

Myriophyllum heterophyllumis a perennial, aquatic herb that has leaves of two noticeably different forms.


Where can I view images of brown knapweed?


Solanum torvumTurkey berry is a broadleaved, evergreen, shrub or small tree that invades a variety of ecosystems in Florida. Plants can grow to 16 ft. (4.9 m) in height. The stems are armed with stout, straight or lightly curved prickles.


Is hairy whitetop native to the United States?


Is this plant invasive to the United States?


What is the scientific name of curly plumeless thistle?


Where can I view images of SaccharumravennaeL.?


What is the growth habit of PsidiumguajavaL.?


Is hairy beggarticks native to the United States?


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


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


What is the scientific name of chinese pistache?


Where can I view images of japanese ardisia?


What is the growth habit of buckhorn plantain?


Where can I view images of smooth bedstraw?


What is the scientific name of boxelder?


Describe the appearance of coco yam, wild taro?

Colocasia esculentais a perennial forb that originates from a large corm and can grow to 4 ft. (1.5 m) in height.


Fruit is a tan, hairy achene 0.08-0.12 in. (2-3 mm) long, may have a small, dark pappus.


What is the scientific name of smooth brome?


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


Describe the fruit of ClematisternifloraDC?

Seeds are also showy and production is prolific. Seed heads have long, silvery-gray, feather-like hairs attached.


What is the scientific name of banana poka?

PassifloratarminianaCoppens & V. E. Barney


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.


Is broomsedge bluestem native to the United States?


What is the growth habit of spotted deadnettle?


Is FicusaltissimaBlume native to the United States?


What is the scientific name of common gypsyweed?


Where can I view images of ricegrass paspalum?


Does eurasian watermilfoil pose any ecological threat?

Myriophyllum spicatumrequires stagnant to slowly moving water and can tolerate brackish conditions. It forms dense mats of leaves restricting light availability, leading to a decline in the diversity and abundance of native macrophytes. In addition,Myriophyllum spicatumdisplaces the native species of watermilfoil and reduces habitats for fish spawning and feeding. It is native to Europe, Asia, and northern Africa.


Describe the fruit of spiny plumeless thistle?

Seeds are oblong, striate, and slightly curved.


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


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


What is the scientific name of mexicantea?

Dysphaniaambrosioides(L.) Mosyakin & Clemants


What is the growth habit of common velvetgrass?


What is the growth habit of thorny olive?


Is ricefield bulrush native to the United States?


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


What is the invasive/noxious status of cheatgrass, downy brome and where is it classified as such?

Potentially Invasive, Prohibited (Connecticut)


Does SalsolatragusL. pose any ecological threat?

AfterSalsola tragusmatures it detaches from the root system and tumbles in the wind, spreading seed (like another common name “tumbleweed” suggests). It is native to Eurasia.


Describe the appearance of rough mannagrass?

Glyceria maximais a perennial, semi-aquatic, rhizomatous grass. Stems are unbranched and can reach 2-8.2 ft. (0.6-2.5 m) in height.


Is this plant invasive to the United States?


What is the growth habit of CarexlongiiMackenzie?


Describe the flowers of Achnatherumbrachychaetum(Godr.) Barkworth?

Achnatherum brachychaetumflowers in the Spring and Summer. The panicles are nearly pyramidal 8-12 in. (20-30 cm) long and just pass the tops of the blades. Spikelets with 1 floret. The glumes are glabrous and nearly equal, ranging from 0.24-0.31 in. (6-8 mm) long.


Where can I view images of PersicariawallichiiGreuter & Burdet?


Describe the flowers of creeping capeweed?

The petals 0.4 to 1 in. (1-2.5 cm) long are pale yellow with brighter yellow bases and greenish or purplish colored undersides. Flowering occurs mainly during late winter.


Is SalsolatragusL. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Epidendrumx obrienianumRolfe [evectum × ibaguense]?


What is the growth habit of crimson clover?


What is the growth habit of ViburnumsieboldiiMiq.?


Is CardariaDesv. native to the United States?


What is the scientific name of red brome?


What is the common name of Brachypodiumdistachyon(L.) Beauv.?


Is Alternantheraphiloxeroides(Mart.) Griseb. native to the United States?


Describe the appearance of tropical soda apple?

Solanum viarumis a perennial, shrubby forb that is on the Federal Noxious Weed list. Plants grow to 6 ft. (1.8 m) in height and width.


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


Describe the foliage of LotuscorniculatusL.?

Leaves are compound (with 5 oval to linear leaflets), stipulate and alternate. Leaflets (upper 3) are 0.5 in. (1.3 cm) long and less than 0.13 in. (0.3 cm) wide; the lower two resemble leaf-like stipules. Flowering occurs from May to August, when yellow, sweet pea-like flowers develop.


Where can I view images of CannaindicaL.?


Bassia scopariais an erect, annual herbaceous plant that forms rounded bushes up to 7 ft (2.1 m) tall. The roots can grow at least 8 ft (2.4 m) deep and can have at least an 8 ft (2.4 m) horizontal radius. It is native to central and eastern Europe and Asia.


Describe the foliage of Limnophilasessiliflora(Vahl) Blume?

Leaves of this plant have two types of whorled polymorphic leaves. The submerged stems have dissected, dark green, lance shaped leaves up to 1.2 in. (30 mm) long with irregularly serrated margins. The emergent stems have flat shiny hairs and fine, needle like leaves up to 0.12 in. (3 cm) long.


Describe the flowers of PhleumpratenseL.?

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.


Is AnthriscuscaucalisM. Bieb. native to the United States?


Leaves ofStriga asiaticaare linear and around 1 in. (2.5 cm) long.


Describe the fruit of DioscoreapolystachyaTurcz.?

The seeds are winged all around, but the chief means of reproduction are aerial, potato-like tubers (bulbils) located at the leaf axils and underground tubers.


Where can I view images of CyperusrotundusL.?


Describe the flowers of EchiumplantagineumL.?

Calyx consists of 5 sepals and is 0.28-0.59 in. (7-15 mm) across. Corolla consists of 5 fused petals that are 0.71-1.2 in. (18-30 mm) across, funnel shaped, and purple to blue or even pink to white in color. Flowering occurs from spring to summer.


What is the growth habit of uruguayan pampas grass?


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.


Where can I view images of european stinging nettle?


What is the growth habit of MikaniamicranthaKunth?


Is southern crabgrass native to the United States?


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


Where can I view images of OnopordumillyricumL.?


Describe the fruit of JacobaeavulgarisGaertn.?

Fruit are small and have a persistent ring of white hairs (pappus) attached. 60,000-70,000 seeds produced per plant. Seeds can remain viable for up to 15 years.


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


What is the growth habit of sawtooth oak?


What is the common name of ViburnumtinusL.?


What is the scientific name of sweet-amber?


Describe the fruit of chinese tallowtree?

Three-lobed, greenish fruit are found in clusters at the end of branches. Fruit mature to black and then open to reveal the white wax covered seeds.


Describe the flowers of Cytisusscoparius(L.) Link?

The flowers are bright yellow, resemble sweet pea flowers, and occur singly or in pairs in the upper leaf axils. They bloom from late May to June.


Is FestucaarundinaceaSchreb. native to the United States?


What is the growth habit of NicotianaglaucaGraham?


What is the scientific name of johnsongrass?


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


Where can I view images of greater celandine?


Describe the fruit of DigitalispurpureaL.?

The fruit is a capsule which splits open at maturity to release the numerous tiny 0.004-0.007 in. (0.1-0.2 mm) seeds.


The flower is an open panicle of spikelets up to 7 in (18 cm) long and 4 in (10 cm) across. The branches of the panicle are either bilateral or droop to one side and are organized along the central axis.


Where can I view images of PinusjeffreyiGrev. & Balf.?


What is the common name of Stachytarphetacayennensis(Rich.) Vahl?


Is CalophylluminophyllumL. native to the United States?


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


Is this plant invasive to the United States?


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


Describe the flowers of Stellariapallida(Dumort.) Crépin?

Flowering occurs in early spring when small, white flowers develop in the leaf axils or in terminal clusters. Flowers have 5 cleft petals, therefore appearing that there are 10.


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


What is the scientific name of medusahead?


Describe the foliage of LonicerajaponicaThunb.?

Leaves are opposite, pubescent, oval and 1-2.5 in. (2.5-6.4 cm) long. Margins are usually entire but young leaves may be lobed or toothed.


Where can I view images of hairy buttercup?


What is the common name of Setariaviridisvar. viridis(L.) P. Beauv.?


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


Describe the flowers of VerbenabonariensisL.?

The small five petaled flowers ofV. bonariensisare lavender to purple and are borne in cymes. They bloom all summer until the first frost.


Where can I view images of waterwheel plant?


Describe the flowers of winged burning bush?

The flowers are inconspicuous, are greenish yellow and have four petals. Flowers develop from late April to June and lay flat against the leaves.


Describe the appearance of common valerian?

Valeriana officinalisis an herbaceous perennial that grows 1.5-4 ft. (0.5-1.5 m) tall. The plant grows from a small rhizome and has fibrous roots. Stems are usually pubescent, especially at the nodes.


What is the growth habit of LepidiumperfoliatumL.?


Is common st. paul's wort native to the United States?


Does Alternantheraphiloxeroides(Mart.) Griseb. pose any ecological threat?

Alternanthera philoxeroidesroots in wet soils or shallow water and grows out into waterways.Alternanthera philoxeroidescan also grow terrestrially, forming smaller, tougher leaves. The thick mats can displace native vegetation and wildlife habitat, clog waterways, restrict oxygen levels of water, increase sedimentation, interfere with irrigation and prevent drainage. It is native to South America and was first introduced into the United States around 1900 in ballast water.


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


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


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


Is this plant invasive to the United States?


What is the scientific name of cultivated garlic?


Is PachysandraterminalisSieb. & Zucc. native to the United States?


Is madagascar periwinkle native to the United States?


Is SilenegallicaL. native to the United States?


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


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


Is hollyhock native to the United States?


Describe the appearance of wild four-o'clock?

Mirabilis nyctagineais a perennial plant that can grow to be 2-4 ft. (0.61-1.2 m) tall, branching occasionally.


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


What is the common name of AvenabarbataPott ex Link?


Is moleplant native to the United States?


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


What is the growth habit of winter-flowering cherry?


What is the scientific name of aaron's beard?


Is HieraciumlachenaliiK.C. Gmel. native to the United States?


Is Abutilongrandifolium(Willd.) Sweet native to the United States?


Is this plant invasive to the United States?


Where can I view images of PapaverdubiumL.?


What is the common name of Rhaponticumrepens(L.) Hidalgo?


What is the scientific name of canada bluegrass?


Is AcaciamelanoxylonR. Br. ex Ait. f. native to the United States?


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


Is european blackberry native to the United States?


What is the common name of Crassocephalumcrepidioides(Benth.) S. Moore?


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


Where can I view images of VeronicaserpyllifoliaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Kyllinganemoralis(J.R. Forst. & G. Forst.) Dandy ex Hutch. & Dalziel?


Where can I view images of panicled hydrangea?


What is the growth habit of Sennaoccidentalis(L.) Link?


What is the scientific name of spurgelaurel?


The seeds of this plant are 0.2 in. (4-5 mm) long. They are gray in color, and attached to a brown-colored pappus that can be two times as long as the seed.


What is the common name of HeliocarpuspopayanensisKunth?


Fruits are about 0.13 in. (0.3 cm) long, dark brown and wedge shaped. Fruits contains one seed. Each plant can produce as many as 3000 seeds.


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


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

The pale yellow to whitish colored flowers have a powder puff appearance due to the presence of numerous stamens. Each one ranges from 0.2-0.4 in. (5-10 mm) in diameter. The flower clusters are borne on peduncles from 0.2-0.6 in. (5-14 mm) long. They are alternately arranged and arise from the phyllode axil. Flowering can occur year round.


Where can I view images of Osmanthusheterophyllus(G. Don) P.S. Green?


What is the common name of PersicariamaculosaS.F. Gray?


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


What is the scientific name of north african knapweed?


What is the common name of MikaniamicranthaKunth?


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.


Where can I view images of TyphalatifoliaL.?


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


Flowers occur in a loose, spreading, purplish panicle.


What is the growth habit of PrunuscerasiferaEhrh.?


What is the scientific name of corn gromwell?


Is boatlily native to the United States?


The fruit is a berry, green when immature, turning yellow and wrinkled with maturity.


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

The inflorescence is a jointed, cylindrical raceme, 1-6 in. (2.5-15.24) long.


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


Describe the appearance of JacobaeavulgarisGaertn.?

Jacobaea vulgarisis a biennial to short lived perennial herb native to Eurasia. Plants can reach 1-4 ft. (0.3-1.2 m) tall.


What is the scientific name of butterflybush?


Describe the fruit of AlyssumcorsicumDuby?

Fruits are broadly elliptic to orbicular, 0.14 to 0.2 in. (3.5-5 mm) × 0.1 to 0.2 in. (2.5-5 mm), with the apex obtuse to rounded.


Does sulfur cinquefoil pose any ecological threat?

P. rectaoccurs in pastures, rangelands, along roadsides and other disturbed sites. NOTE: The native graceful or slender cinquefoil,P. gracilishas short hairs that lie flat on the stems and leaves and brighter yellow flowers than the invasiveP. recta.


Flowers grow clustered on the end of branches. Individual flowers are white, turning brown with maturity.


What is the growth habit of summer snowflake?


Describe the appearance of kingdevil hawkweed?

Hieracium piloselloidesis an erect perennial, with a milky sap that can grow from 8-40 in. (20.3-101.6 cm) tall.


Fruits are <0.5 in. (1.3 cm) long, oval, fleshy and ripen to a dark blue to black color. Fruits persist into winter.


What is the growth habit of marsh dayflower?


What is the growth habit of Descurainiasophia(L.) Webb ex Prantl?


What is the growth habit of white-flowered spiderwort?


Is this plant invasive to the United States?


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


What is the scientific name of marsh dayflower?


What is the common name of Brassicanigra(L.) W.D.J. Koch?


Is GlauciumflavumCrantz native to the United States?


What is the common name of BrassicarapaL.?


Is perilla mint native to the United States?


What is the scientific name of carrotwood?


Species is dioecious and flowering occurs in early summer when large clusters of yellow flowers develop above the foliage.


What is the scientific name of european frog-bit?


Describe the appearance of morrow's honeysuckle?

Lonicera morrowiiis a multistemmed, upright, deciduous shrub that grows up to 8 ft. (2.5 m) tall. The bark is light brown and often pubescent on young stems. Stems are hollow.


Does NicotianaglaucaGraham 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 U.S. Department of Agriculture (USDA) plant symbol for creeping bellflower?


Describe the flowers of common buckthorn, european buckthorn?

Flowering occurs in the spring, with fragrant, yellow-green, 4-petaled flowers developing in clusters of 2 to 6 near the base of the petioles. Plants are dioecious (male and female flowers occur on separate plants).


Is alsike clover native to the United States?


Where can I view images of sprenger's asparagus fern?


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


What is the invasive/noxious status of Euonymusfortunei(Turcz.) Hand.-Maz. and where is it classified as such?

Invasive (Delaware), Invasive (DOC, IPC) (Missouri), Regulated (New York), Tier 1 (Maryland), Watch List (Alabama)


Where can I view images of common lilac?


Calyx consists of 5 sepals and is 0.28-0.59 in. (7-15 mm) across. Corolla consists of 5 fused petals that are 0.71-1.2 in. (18-30 mm) across, funnel shaped, and purple to blue or even pink to white in color. Flowering occurs from spring to summer.


Where can I view images of eurasian watermilfoil?


Is this plant invasive to the United States?


What is the growth habit of bittersweet nightshade?


Describe the fruit of Arthraxonhispidus(Thunb.) Makino?


Is Polygonumcespitosumvar. cespitosumBlume native to the United States?


What is the invasive/noxious status of swamp morning-glory and where is it classified as such?

Noxious (United States), Prohibited (Wisconsin), Regulated (Minnesota)


What is the scientific name of meadow knapweed?

CentaureadebeauxiiGren. & Godr. [excluded]


Where can I view images of SolanumpseudocapsicumL.?


Where can I view images of AnchusaofficinalisL.?


What is the common name of IlexaquifoliumL.?


Describe the flowers of diffuse knapweed?

Flowering occurs from July to September. White flowers develop in urn-shaped heads, in clusters, at the ends of the branches. The heads are subtended by leathery bracts. The lower and middle bracts have brown margins with spines at the tips.


What is the growth habit of garden vetch?


Describe the appearance of kahila garland-lily?

Hedychium gardnerianumis a perennial herb that is native to India. It can grow up to 8 ft. (2.4 m) tall.


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


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


What is the growth habit of Mahoniabealei(Fortune) Carr.?


What is the growth habit of Rhaponticumrepens(L.) Hidalgo?


Is BryoniaalbaL. native to the United States?


Describe the fruit of Reynoutriax bohemicaChrtek & Chrtková?

The fruits are dark brown in color, shiny, 0.08-0.12 (2-3 mm) long, smooth, and three sided with flat wings that are 0.06-0.08 in. (1.5-2.1 mm) wide.


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 growth habit of Polypogonmonspeliensis(L.) Desf.?


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


Describe the flowers of EchiumvulgareL.?

Abundant flowers are bright blue to purple in color, approximately 0.31-0.47 (8-12 mm) long. Flowers somewhat resemble a funnel and also have external hairs.


What is the growth habit of bermudagrass?


Describe the flowers of longspine sandbur?

The inflorescence ofC. longispinusis a terminal, spikelike panicle of fascicles or burs. The fascicles have sharp bristles that surround and can conceal 1-4 spikelets. The spikelets are sessile, with 2 florets.


What is the growth habit of orbicular whitetop, lens-podded hoary cress?


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


What is the scientific name of western salsify?


Is Syagrusromanzoffiana(Cham.) Glassman native to the United States?


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


Where can I view images of BromusarvensisL.?


Is black henbane native to the United States?


Describe the appearance of CentaureamelitensisL.?

Centaurea melitensisis a winter annual with a yellow-flowered, spiny head that can reach a height of 3.3 ft. (1 m). tall.


Does Araliaelata(Miq.) Seem pose any ecological threat?

Aralia elatacan be found in a variety of different habitat types such as forest, shrub land, meadow, and landscaping. It is highly threatening to native plant communities.


Is brassbuttons native to the United States?


Does octopus tree pose any ecological threat?

Schefflera actinophyllais native to Australia and was introduced into Florida in 1927 as an ornamental. Plants can tolerate a wide range of sun and moisture levels, but are restricted to areas with minimum temperatures above 35°F (1.7°C).


What is the growth habit of CupressusmacrocarpaHartw. ex Gord.?


Is AcaciapycnanthaBenth. native to the United States?


What is the common name of EquisetumtelmateiaEhrh.?


Is PanicumrepensL. native to the United States?


What is the common name of AlhagimaurorumMedik?


Where can I view images of BromuscatharticusVahl?


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


What is the scientific name of west indian raspberry?


Describe the flowers of Oxalispes-capraeL.?

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.