Describe the appearance of oriental mustard?

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


Is octopus tree native to the United States?


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


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 AcaciamelanoxylonR. Br. ex Ait. f.?


What is the common name of Hydrocharismorsus-ranaeL.?


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


What is the scientific name of lakeshore nutrush?


Is ValerianaofficinalisL. native to the United States?


Where can I view images of OrnithogalumumbellatumL.?


Where can I view images of bighead knapweed?


Flowering occurs from midsummer to frost, when 5-petaled, yellow, 0.5 in. (1.27 cm) wide flowers develop singly in the axils of the leaves.


Is Cryptostegiagrandiflora(Roxb. ex R. Br.) R. Br. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Hordeummurinumssp. leporinum(Link) Arcang.?


Describe the fruit of LinariavulgarisP. Mill.?

Fruits are capsules that are 0.4-0.5 in. (9-12 mm) long. Each capsule contains small, flat blackish seeds with a papery wing.


What is the growth habit of MesembryanthemumnodiflorumL.?


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

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


What is the growth habit of Callisiafragrans(Lindl.) Woods?


What is the common name of AlopecurusmyosuroidesHuds.?


Describe the foliage of ConvallariamajalisL.?

The paired leaves are long elliptics growing up to 16.7 in (50 cm) long. Leaves are deciduous.


What is the scientific name of helleborine?


Where can I view images of crack willow?


Does japanese maple pose any ecological threat?

Acer palmatumis native to Japan, China and Korea. It is often used as a landscape ornamental plant.Acer palmatumcan be found in yards, along roadsides, and streams. It has escaped cultivation, naturalised and is considered a weed in New South Wales and other parts of Australia.Acer palmatumhas escaped and naturalized in the eastern United States and Hawaii, Canada and New Zealand. Widespread use of this plant increases the probability that more will escape from cultivation.


What is the scientific name of perennial soybean?


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


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


Is this plant invasive to the United States?


Fruit are light brown, rounded, and 0.13 in. (0.3 cm) wide. Each fruit contains two seeds.


What is the common name of TamarixramosissimaLedeb.?


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


Where can I view images of BambusavulgarisSchrad. ex J.C. Wendl.?


Where can I view images of FestucarubraL.?


Is Spiraeajaponicavar. fortunei(Planch.) Rehder native to the United States?


What is the growth habit of EucalyptuscladocalyxF. Muell.?


Does Hygrophilapolysperma(Roxb.) T. Anders. pose any ecological threat?

Hygrophila polyspermacan become an invasive problem in some tropical and temperate regions outside of its native range. It is listed as a noxious weed in the United States.Hygrophila polyspermahas only been reported in Alabama, Florida, Kentucky, South Carolina, Texas and Virginia. It has also been reported in Northern Mexico.


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


What is the growth habit of Centranthusruber(L.) DC.?


What is the scientific name of wintergreen barberry?


Describe the fruit of CardiospermumhalicacabumL.?

The fruit from which the plant gets its common name is balloon-like. They are green maturing to brown, thin-shelled, inflated, angled capsules up to 1.13 in. (3 cm) in diameter containing 3 black seeds each, with a white heart-shaped scar.


Where can I view images of Plucheacarolinensis(Jacq.) G. Don?


What is the scientific name of lilac chastetree?


What is the growth habit of cuban bulrush?


What is the growth habit of poverty brome?


Flowering occurs in late summer to early fall, typically under full sun conditions; flowers are small, greenish-yellow and occur in globular starburst type inflorescence at tips of flowering stems.


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


What is the common name of ViciacraccaL.?


Describe the appearance of EucalyptuscamaldulensisDehnhardt?

The River redgum,Eucalyptus camaldulensis, is a tree that can grow up to 148 ft. (45 m) tall. Its main identifier is the bark that the tree produces. It has smooth bark, ranging in color from white, grey, and brown.


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


Is this plant invasive to the United States?


What is the growth habit of Kyllinganemoralis(J.R. Forst. & G. Forst.) Dandy ex Hutch. & Dalziel?


What is the common name of Erechtitesvalerianifolius(Spreng.) DC.?


Is thinfruit sedge native to the United States?


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


Where can I view images of purple loosestrife?


Where can I view images of purple beautyberry?


What is the scientific name of feathertop?


Does AgrostisgiganteaRoth pose any ecological threat?

Agrostis giganteaoccurs in areas with shallow water, in wet meadows, in grasslands, and along stream banks. It is native to Eurasia.


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


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


Describe the flowers of DioscoreabulbiferaL.?


Is Crassocephalumcrepidioides(Benth.) S. Moore native to the United States?


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


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


Describe the foliage of Alnusglutinosa(L.) Gaertn.?

The leaves are simple, alternate and doubly-toothed.


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


What is the scientific name of job's tears?


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


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

Invasive (IPC) (Missouri), Watch (Delaware)


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


Is this plant invasive to the United States?


Describe the appearance of creeping buttercup?

Ranunculus repensis an herbaceous perennial that usually creeps along the ground. Nonflowering, arching, creeping stems form roots at the nodes. The plant is usually hirsute, though it can be glabrate.


Describe the fruit of old world climbing fern?

The sporangia produces spores leading to the development of gametophytes. The gametophytes are usually small, and difficult to spot.


What is the growth habit of PartheniumhysterophorusL.?


Where can I view images of SpartinaanglicaC.E. Hubbard?


What is the scientific name of denseflower cordgrass?


Describe the appearance of CentaureacalcitrapaL.?

Centaurea calcitrapais a biennial to perennial plant. It grows 2-3 ft. (0.61-0.91 m) tall.


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 CestrumdiurnumL.?


What is the scientific name of sawtooth oak?


Is CyperusproliferLam native to the United States?


Is mauritius hemp native to the United States?


Where can I view images of Cenchruslongispinus(Hack.) Fern?


Is mexican tea native to the United States?


Does wall lettuce pose any ecological threat?

Mycelis muralisreproduces exclusively by seed. A plant may produce up to 500 seeds in shaded sites and up to 11,500 seeds in open sites. Wall lettuce can grow in deep shade and full sun. It is adapted to a range of soil conditions. It readily invades disturbed habitats.


What is the growth habit of rush skeletonweed?


Does common chickweed pose any ecological threat?

Stellaria pallidaoccurs in shady, moist locations and can commonly threaten habitats on rocky seeps.


Describe the flowers of AlyssumcorsicumDuby?

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


Is this plant invasive to the United States?


Is crowfootgrass native to the United States?


Is nepalese firethorn native to the United States?


Is SilphiumperfoliatumL. native to the United States?


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

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


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


What is the scientific name of pineapple-weed?


What is the common name of Maclurapomifera(Raf.) Schneid.?


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


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


Is aboriginal willowherb native to the United States?


Describe the flowers of HieraciumcaespitosumDumort.?

Flowers are yellow, dandelion-like, and develop in summer to fall. Flowers in bud are rounded and black in tight clusters on top of the stems.


Describe the foliage of Strigaasiatica(L.) Kuntze?

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


Where can I view images of MiscanthussinensisAnderss.?


Where can I view images of illyrian cottonthistle?


Is soft rush native to the United States?


Describe the flowers of ClematisorientalisL.?

C. orientalisflowers have four yellow to greenish-yellow sepals each about one inch long. Flowers can be single or in clusters, on stems up to 4 inches long


Describe the foliage of princess-flower?

Stems are vine like and can grow to 15 ft. (4.6 m) long sprawling to create 10-12 ft. (3-3.7 m) mounds. Leaves are simple, opposite, ciliate, velvety green, tinged with red, coarse, 2-4 in. (7.6-13 cm) long with 3 to 5 midribs.


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


Is rye brome native to the United States?


Is SeneciosylvaticusL. native to the United States?


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


Describe the flowers of RhamnuscatharticaL.?

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).


Where can I view images of ViburnumopulusL.?


Achnatherum brachychaetumis a densely tufted perennial, with shallow roots and erect stems to 3.3 ft. (1 m) tall. Foliage is tough and unpalatable to livestock, except for young shoots. It is present almost year round. It is often associated with alfalfa fields. The dense clumps can mechanically interfere with mowing.


What is the invasive/noxious status of morrow's honeysuckle and where is it classified as such?

Invasive (Delaware), Invasive (DOC, IPC) (Missouri), Potentially Invasive, Prohibited (Connecticut), Prohibited (New York), Restricted (Wisconsin), Watch List (Alabama)


Is this plant invasive to the United States?


What is the scientific name of common purslane?


What is the common name of Mycelismuralis(L.) Dumort.?


Does BromustectorumL. pose any ecological threat?

Bromus tectorumhas the ability to draw down soil moisture and nutrients to very low levels, making it difficult for other species to compete. An increased cycle of fires favors annual species at the expense of many perennials. Due to its tendency to mature early and then dry out, it gains a competitive advantage through the promotion of fire. It is an agricultural, nursery and orchard pest.


Is white swallowwort native to the United States?


What is the common name of RubusrosifoliusSm.?


Where can I view images of indian camphorweed?


Describe the flowers of CentaureajaceaL.?

The brown bracts of the inflorescence give this plant its common name. Flowering occurs from June to October, when rose to purple flowers appear in 1-1.25 in. (2.5-3.2 cm) wide, solitary heads at the tips of the branches.


Is SpartinaalternifloraLoisel. native to the United States?


Is LoniceracaprifoliumL. native to the United States?


Does CampanularapunculoidesL. pose any ecological threat?

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


Where can I view images of PterisvittataL.?


Where can I view images of Schismusbarbatus(Loefl. ex L.) Thellung?


What is the growth habit of bull thistle?


What is the growth habit of wall lettuce?


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


Describe the flowers of CichoriumintybusL.?

The flowers are in showy clusters on the upper branches. Each flower has bright blue petals with toothed squared off ends. Flowers usually bloom in the morning and close later in the day.


What is the common name of DigitariasetigeraRoth ex Roemer & J.A. Schultes?


Where can I view images of orange jessamine?


Where can I view images of Watsoniaborbonica(Pourret) Goldblatt?


What is the growth habit of rattail fescue?


What is the scientific name of pale smartweed?


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 PhytolaccaamericanaL.?


What is the common name of LeucojumaestivumL.?


What is the growth habit of Stellariamedia(L.) Vill.?


Describe the fruit of GlossostigmacleistanthumW.R. Barker?

The mature fruit contain abundant seed. The rhizomatous root system allows this plant to reproduce vegetatively.


Describe the flowers of Vincetoxicumnigrum(L.) Moench?

Clusters of 6-10 flowers bloom from June to September. Five lobed dark purple corollas are approximately 0.25 in. (0.6 cm) across and covered with short white hairs on the upper surface.


What is the common name of Pouteriacampechiana(Kunth) Baehni?


What is the U.S. Department of Agriculture (USDA) plant symbol for garden baby's-breath?


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


What is the scientific name of fortune meadowsweet?


What is the common name of Kniphofiauvaria(L.) Oken?


Describe the fruit of brazilian vervain?

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


Where can I view images of aaron's beard?


Describe the appearance of Akebiaquinata(Houtt.) Dcne.?

Akebia quinatais an invasive deciduous to evergreen climbing or trailing vine that invades forested areas throughout the eastern United States. The twining vines are green when young, turning brown as they age.


Leaves are alternate, compound and branched with jagged teeth. Leaflets are yellowish-green, shiny, oblong, coarsely-toothed, and diamond-shaped.


Where can I view images of Malephoracrocea(Jacq.) Schwant.?


Is monterey pine native to the United States?


Is Ranunculusacrisvar. acrisL. native to the United States?


Is this plant invasive to the United States?


Where can I view images of CorylusavellanaL.?


Does Murdanniakeisak(Hassk.) Hand.-Maz. pose any ecological threat?

M. keisakinvades water edges and marshes and often grows immersed. It forms dense mats that out-compete native vegetation.M. keisakis native to temperate and tropical Asia and was accidentally introduced into the United States, in South Carolina, around 1935.


Is chilean jessamine native to the United States?


What is the common name of CommelinacommunisL.?


Is herb-robert native to the United States?


Is CarduusL. native to the United States?


Where can I view images of ScaevolataccadaVahl?


What is the common name of LysimachianummulariaL.?


What is the common name of AmaranthusviridisL?


Is tall vervain native to the United States?


Rumex crispusis a perennial herb with erect flowering stems 11.8-63 in. (30-160 cm) in length.


Where can I view images of AsclepiascurassavicaL.?


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


Is cutleaf evening-primrose native to the United States?


Where can I view images of pineapple-weed?


Is CentaureaibericaTrev. ex Spreng native to the United States?


Is oriental photinia native to the United States?


Where can I view images of SolanumdiphyllumL.?


What is the scientific name of swordleaf rush?


What is the scientific name of ladder brake?


Where can I view images of purple crown-vetch?


Describe the flowers of Caulerpataxifolia(Vahl) C. Agardth?


What is the common name of Sesbaniapunicea(Cav.) Benth.?


Where can I view images of catclaw mimosa?


What is the scientific name of grecian foxglove?


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


What is the growth habit of SolanumnigrumL.?


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


What is the common name of Sonchusarvensisssp. uliginosus(M. Bieb.) Nyman?


What is the scientific name of common four-o'clock?


Is this plant invasive to the United States?


What is the common name of BromusracemosusL.?


Where can I view images of Ptychospermaelegans(R. Br.) Blume?


Describe the foliage of syrian beancaper?

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


What is the scientific name of deeprooted sedge?


Describe the flowers of australian saltbush?

Flowers are yellow, and 0.06 in. (1.5 mm) wide. Male flowers are found in dense clusters on upper axils, and female plants are found on lower axils either individually or in clusters. Flowering occurs in summer.


What is the growth habit of spotted knapweed?


What is the U.S. Department of Agriculture (USDA) plant symbol for cupid's-shaving-brush?


Is SherardiaarvensisL. native to the United States?


What is the common name of LythrumvirgatumL.?


What is the growth habit of slenderflower thistle?


Where can I view images of Tetragoniatetragonioides(Pallas) Kuntze?


What is the growth habit of Eragrostiscurvula(Schrad.) Nees?


What is the growth habit of indian shot?


What is the U.S. Department of Agriculture (USDA) plant symbol for Cerastiumfontanumssp. vulgare(Hartman) Greuter & Burdet?


What is the scientific name of darwin's berberis?


What is the U.S. Department of Agriculture (USDA) plant symbol for Setariapumilassp. pumila(Poir.) Roem. & Schult.?


What is the scientific name of lindley's butterflybush?


What is the common name of IpomoeaaquaticaForssk.?


Is this plant invasive to the United States?


What is the common name of EulophiagramineaLindl.?


What is the scientific name of london rocket?


What is the growth habit of TamarixramosissimaLedeb.?


What is the invasive/noxious status of Vincetoxicumrossicum(Kleopov) Barbarich and where is it classified as such?

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


What is the common name of Hyparrheniahirta(L.) Stapf?


Is peppermint native to the United States?


Is PhalariscanariensisL. native to the United States?


What is the scientific name of stinkgrass?

Eragrostiscilianensis(All.) Vign. ex Janchen


What is the growth habit of IlexcornutaLindl. & Paxton?


Describe the appearance of chinese privet?

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


The papery leaves are alternate and about 0.2-0.4 x 0.08-0.2 in. (4-10 × 2-5 mm). They are oblong to nearly linear and sometimes slightly falcate. Leaves are bright to dark green above and gray-green to reddish tinged below.


Describe the foliage of japanese climbing fern?

The fronds (leaves of a fern) are opposite, compound, usually triangular in shape, 3-6 in. (8-15 cm) long, 2-3 in. (5-8 cm) wide and finely dissected.


What is the scientific name of lesser hawkbit?


What is the growth habit of tuna cactus?


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


Is AcoruscalamusL. native to the United States?


Fruits are cherry-like, small purplish black, cone-shaped, clustered fruits.


Where can I view images of creeping buttercup?


Does Mirabilisnyctaginea(Michx.) MacM. pose any ecological threat?

Mirabilis nyctagineaprefers disturbed areas like pastures, roadsides, and abandoned fields. It is thought to be native to all U.S. states except Alaska, Hawaii, Georgia, Florida, South Carolina, Oregon, and Arizona.


Where can I view images of american frogbit?


What is the common name of CupressusarizonicaGreene?


What is the common name of Arrhenatherumelatius(L.) Beauv. ex J.& K. Presl?


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 PhyllanthusurinariaL.?


Where can I view images of Rorippaamphibia(L.) Besser?


What is the invasive/noxious status of carolina fanwort, fanwort and where is it classified as such?

Invasive, Prohibited (Connecticut), Invasive, Prohibited (Michigan), Prohibited (New York), Prohibited (Wisconsin), Regulated (Minnesota)


Does rough mannagrass pose any ecological threat?

Glyceria maximaoccurs in sunny to semi-shady wetlands, where it can form dense impenetrable monocultures that crowd out native species. It is native to northern Eurasia and was first found in North America in 1940 on the edge of Lake Ontario.


Where can I view images of Veronicaanagallis-aquaticaL.?


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

Potentially Invasive, Prohibited (Connecticut), Watch List (Michigan)


Basal leaves up to 15.7 in. (40 cm) x 4.3 in. (11 cm), lanceolate or oblong-lanceolate in shape. Upper Cauline leaves are less crisped than basal leaves, with petioles up to 2.4 in. (6 cm) in length. Leaf margins of cauline leaves vary from nearly flat to strongly crisped.


Is ToonaciliataRoemer native to the United States?


Describe the flowers of TanacetumvulgareL.?

The yellow, button-like flowers develop in dense flat-topped clusters at the apex of the plant.T. vulgareflowers bloom from August to October.


What is the common name of Cedrusdeodara(Roxb. ex D. Don) G. Don f.?


Where can I view images of CupressusmacrocarpaHartw. ex Gord.?


What is the common name of SolanumtorvumSw.?


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


What is the scientific name of tawny daylily?


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


What is the growth habit of tall oatgrass?


Does SchinusmolleL. pose any ecological threat?

Schinus mollecan be found along slopes, washes, and in abandoned fields. It is native to South America in Argentina and Peru.


Describe the appearance of SchinusmolleL.?

Schinus molleis a perennial tree that can grow from 30-40 ft. (9.1-12.2 m) tall.


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


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


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


Is sawtooth oak native to the United States?


Is thunberg lespedeza native to the United States?


Describe the foliage of Bellardiatrixago(L.) All?

Leaves are green, opposite, sessile, linear to lanceolate, and 0.6-4 in. (1.5-9 cm) long with dentate to crenate margins.


Does NandinadomesticaThunb. pose any ecological threat?

Nandina domesticais shade tolerant, which allows it to invade forest edges and interiors. It is native to eastern Asia and India and was first introduced to North America in the early 1800s. It has been planted widely as an ornamental and often escapes from old plantings.


Describe the foliage of LespedezabicolorTurcz.?

Leaves are elliptical, alternate, abundant and three-parted. Leaflets are oval with the lower surface lighter than the upper surface.


Is this plant invasive to the United States?


What is the common name of Samaneasaman(Jacq.) Merr.?


What is the common name of IpomoealacunosaL.?


What is the growth habit of SolanumseaforthianumAndr.?


Does goatsrue pose any ecological threat?

Galega officinalisinvades wet, disturbed areas such as streambanks, low pastures and ditches. It can form dense thickets and is toxic to livestock.


What is the U.S. Department of Agriculture (USDA) plant symbol for eastern poison-ivy?


Does LoniceratataricaL. 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 Pileamicrophylla(L.) Liebm.?


Where can I view images of quaking aspen?


Where can I view images of carolina fanwort, fanwort?


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


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


Describe the appearance of HumulusjaponicusSiebold & Zucc.?

Humulus japonicusis an annual, climbing or trailing vine that is native to eastern Asia. This vine has 5-lobed leaves (generally), downward pointing prickles on the stem and bracts at the base of the petioles.


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

Nuisance (DOC) (Missouri), Prohibited (New York)


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


Describe the appearance of SolanumcarolinenseL.?

Solanum carolinenseis a perennial that can reproduce by seed or rhizomes. It has spines on the leaves and stems and can grow up to 3 ft. (0.9 m) in height.


Does UlexeuropaeusL. pose any ecological threat?

U. europaeuswas introduced into North America in the mid-to-late 1800s as an ornamental. Plants invade gravel bars, logged areas and other disturbed areas.U. europaeuscannot tolerate extremely dry areas or areas with extreme temperatures.


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


Does kingdevil hawkweed pose any ecological threat?

Hieracium piloselloidesproduces mats of rosettes that dominate sites by out-competing other species for water and nutrients and by releasing alleopathic compounds from their own decaying leaves. They grow well in moist sunny grassy areas, but can tolerate some shade. They are becoming troublesome weeds in native meadows, prairies, pastures and lawns. Wilderness areas in the Pacific Northwest are at risk of invasion.


What is the common name of ThymuspraecoxOpiz?


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


Where can I view images of Lonicerax bellaZabel [morrowii × tatarica]?


Where can I view images of AbrusprecatoriusL.?


Describe the foliage of BuddlejadavidiiFranch.?

The leaves are opposite, 6-10 in. (15-25 cm) long, velvety and lanced-shaped.


What is the growth habit of MalvaparvifloraL.?


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


Does common crupina pose any ecological threat?

Dense populations of this plant can invade grasslands, pastures, rangelands, forested areas, canyons, riparian areas, roadsides and waste places in the western United States. Grazing (deer or livestock) or cutting can stimulate lateral branching, thereby increasing flower and seed production.


Describe the appearance of spotted deadnettle?

Lamium maculatumis a medium-sized, semi-evergreen, herbaceous perennial. It is a groundcover that matures at about 10 in. (25.4 cm) tall by 1.5 ft. (0.46 m) wide.


What is the growth habit of paperflower?


Where can I view images of LotuscorniculatusL.?


Is HieraciumglomeratumFroel. native to the United States?


Is TamarixafricanaPoir. native to the United States?


What is the scientific name of roadside pennycress?


What is the growth habit of Samaneasaman(Jacq.) Merr.?


Describe the appearance of Cytisusstriatus(Hill) Rothm?

Cytisus striatusis a perennial evergreen shrub, (family Fabaceae) growing from 6-10 ft (2.0-3.04 m) in height. Like most plant in the Fabaceae family they have the ability to fix nitrogen. Young plants have an upright growth, but spread and branch as they mature. Stems have photosynthetic ability. Slender branches are covered sparsely by small leaves.C. striatusis native to northern Africa and southwestern Europe.


What is the U.S. Department of Agriculture (USDA) plant symbol for Alternantherasessilis(L.) R. Br. ex DC.?


Where can I view images of barb goatgrass?


Is mexican plantain native to the United States?


Is this plant invasive to the United States?

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


What is the scientific name of tree-of-heaven?


What is the scientific name of violet crabgrass?


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


What is the common name of Didymospheniageminata(Lyngbye) M. Schmidt?


What is the growth habit of tasmanian wallaby grass?


Is haspan flatsedge native to the United States?


Where can I view images of SilenenoctifloraL.?


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


Flowers are arranged on a dark brown, dense, cylindrical spike at the end of a stem with the male flowers at the top and female flowers below. Male flowers are brown, 0.19 to 0.5 in. (0.48-1.3 cm) long with 0.04 to 0.12 in. (1-3 mm) long anthers. Female flowers are 0.08 to 0.12 in. (2-3 mm) long, and pale green when in flower. Flowering occurs from May through June.


Where can I view images of asian nakedwood?


What is the growth habit of african asparagus fern?


Is NasturtiummicrophyllumBoenn. ex Rchb. native to the United States?


What is the growth habit of ravennagrass?


Describe the foliage of SolanumelaeagnifoliumCavanaugh?

Leaves are 1-3.9 in. (2.5-10 cm) long and narrow with wavy margins. The leaves and stems are covered in with dense, fine, white hairs giving it a silvery appearance.


Is BerberisvulgarisL native to the United States?


What is the common name of CosmosbipinnatusCav.?


Describe the foliage of ClematisternifloraDC?

The leaves are opposite, compound (with 3-5 leaflets), and the margins are entire. Leaflets are each 2-3 in. (5-7.6 cm) long.


Does Rhodotyposscandens(Thunb.) Makino pose any ecological threat?

Rhodotypos scandensinvades forested areas creating a thick shrub layer which could displace native shrubs, shade out understory species and restrict tree seedling establishment.Rhodotypos scandensis native to eastern Asia and was first introduced into the United States in 1866 as an ornamental.


Where can I view images of ConiummaculatumL.?


Is bladder senna native to the United States?


Is PlantagoaustralisLam. native to the United States?


Does yellow bedstraw pose any ecological threat?

Galium verumcan be found in sunny areas along roadsides, in fields, and in pastures. It is native to Europe and Asia.


Is absinth wormwood native to the United States?


What is the common name of Sorghumhalepense(L.) Pers.?


Is Stipamiliaceavar. miliacea(L.) Hoover native to the United States?


What is the scientific name of common water hyacinth?


What is the common name of Sennapendulavar. advena(Vogel) Irwin & Barneby?


Where can I view images of Melinisrepens(Willd.) Zizka?


Is this plant invasive to the United States?


What is the growth habit of PhyllostachysaureaCarr. ex A.& C. Rivière?


Is MaluspumilaP. Mill. native to the United States?


What is the growth habit of coffee senna?


What is the common name of SaccharumravennaeL.?


What is the common name of MyriophyllumheterophyllumMichx.?


Is ViciacraccaL. native to the United States?


Vitex rotundifoliais a perennial shrub with a woody stem that can sprawl more than 60 ft. (18 m) across the ground. Plants are up to 2 ft. (0.6 m) tall. Brittle stems tend to break off in high tide and float off and colonize new areas.


Where can I view images of asiatic pennywort?


Is AllamandacatharticaL. native to the United States?


Does broadleaf plantain pose any ecological threat?

Plantago majorcan be found throughout the United States, primarily a weed of turfgrass. It is native to Eurasia.


Is TragopogonlamotteiL. native to the United States?


Culms start out green but gradually turn a purplish black color at maturity. Leaves are dark green, alternate, 2.4 to 4.7 in. (6-12 cm) long, oblong or lanceolate in shape, and entire margins with a mostly hairless and narrow sheath.


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


What is the common name of PaspalumnotatumFluegge?


Describe the flowers of LigustrumlucidumW.T. Aiton?

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


Seed pods are black or purplish, flattened, 0.4 in. (0.9 cm) long, 0.25 in. (0.6 cm) wide and hang from short stalks at the ends of the stems.


What is the scientific name of european black alder?


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


Is bushkiller native to the United States?


Centaurea jaceaproduces small light brown, plumeless seeds; about 12 per head.


Is this plant invasive to the United States?


What is the common name of BuddlejadavidiiFranch.?


Delairea odoratais a perennial vine that climbs up trees and will reach heights of 16.4 ft. (5 m) in suitable climates.


Is wine grape native to the United States?


Does MyriophyllumspicatumL. 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.


Is strawflower native to the United States?


Does PotamogetoncrispusL. pose any ecological threat?

Potamogeton crispustolerates fresh or slightly brackish water and can grow in shallow, deep, still or flowing water. Plants can grow in clear or turbid water, but are mostly shade intolerant. The method of introduction is unclear and it may have been introduced as a hitchhiker on boats, through the aquarium trade, or accidently when stock from a fish hatchery was released. It was first collected in 1860.


Does japanese angelica tree 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.


Describe the fruit of garden loosestrife?

The fruits are dry capsules. The seeds of this plant are most likely water-dispersed. However, the main method of dispersal for this plant is via rhizomes.


Where can I view images of mediterranean sage?


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

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


What is the common name of CuscutaapproximataBab.?


Is chinese privet native to the United States?


What is the scientific name of hairy jointgrass?


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


What is the scientific name of queen palm?


What is the scientific name of american black nightshade?


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 WashingtoniarobustaH. Wendl.?


Describe the flowers of TribulusterrestrisL.?

Flowering occurs from midsummer to frost, when 5-petaled, yellow, 0.5 in. (1.27 cm) wide flowers develop singly in the axils of the leaves.


Is iberian starthistle native to the United States?


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


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


Tiny spikelets can produce 1000 seeds during each blooming.


Is GeraniumlucidumL. native to the United States?


What is the growth habit of st. augustinegrass?


What is the common name of Citrusx aurantiumL. (pro sp.) [maxima × reticulata]?


Is this plant invasive to the United States?


What is the scientific name of common st. johnswort?


What is the common name of HedychiumgardnerianumShepard ex Ker-Gawl.?


What is the scientific name of kenilworth ivy?

CymbalariamuralisP.G. Gaertn., B. Mey. & Scherb.


Is PhoenixdactyliferaL. native to the United States?


Leaves are alternate, petiolate, glabrous, entire, 3-lobed, up to 1.2 in. (3 cm) long and occur in a basal rosette.


Describe the appearance of ArdisiaellipticaThunb?

Ardisia ellipticais a tall shrub or small tree that can reach heights of 20 ft. (6.1 m).


Is white snakeroot native to the United States?


Describe the flowers of CabombacarolinianaA. Gray?

The flowers are long stemmed 1.2-4 in. (3-10 cm). They are most often white with yellow at the center, but may occasionally be pink or purplish. The sepals and petals are about 0.5 in. (1.25 cm) across. The petals are auriculate at the their bases, and obovate in shape.


Is PsidiumcattleyanumSabine native to the United States?


What is the growth habit of UlexeuropaeusL.?


Where can I view images of italian woodbine?


What is the growth habit of pitted morning-glory?


What is the common name of Bassiahyssopifolia(Pallas) Kuntz?


What is the growth habit of houndstongue?


What is the common name of CotulacoronopifoliaL.?


What is the scientific name of english catchfly?


What is the U.S. Department of Agriculture (USDA) plant symbol for Coincyamonensis(L.) Greuter & Burdet?


What is the scientific name of jerusalem artichoke?


What is the scientific name of st. augustinegrass?


Seeds are medium-size and found in a 2-celled or 4-celled green capsule that dries and bursts open at maturity. The plant also spreads by lateral roots.


What is the growth habit of FestucaarundinaceaSchreb.?


Is common grape hyacinth native to the United States?


Is this plant invasive to the United States?


Where can I view images of golden trumpet?


What is the common name of PennisetumclandestinumHochst. ex Chiov.?


What is the scientific name of portugal laurel?


Leaves are alternate, 2-3 in. (5-8 cm) long and 1 in. (2.5 cm) wide. The margins are entire and undulate. Leaves are bright green to gray green above and silver scaly beneath with short petioles.


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


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.


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


What is the common name of BougainvilleaglabraChoisy?


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


Is salvation jane native to the United States?


Does ConiummaculatumL. pose any ecological threat?

C. maculatumcontains highly poisonous alkaloids toxic to mammals. Human deaths have occurred from harvesting and consuming the roots as wild carrots or parsnips.C. maculatumquickly colonizes disturbed habitats such as roadsides, old fields, fencerows and ditches. In natural areas it can displace native plant species and prefers riparian habitats. Many U.S states have listedC. maculatumas a noxious weed.


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


The fruit is a caryopsis that is ellipsoid in shape with a longitudinal groove. The fruit is hairy at the apex and contains a single seed.


Describe the fruit of BromussecalinusL.?

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


What is the common name of Silenecoronaria(L.) Clairv.?


What is the scientific name of mouseear hawkweed?


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


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


Does salvation jane pose any ecological threat?

Echium plantagineumcan be found in pastures, vacant lands, and roadsides. It is native to Mediterranean and west Europe.


Is CorispermumnitidumKit. ex J.A. Schultes native to the United States?


Is this plant invasive to the United States?


What is the growth habit of curly leaf pondweed?


What is the growth habit of Syagrusromanzoffiana(Cham.) Glassman?


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

Clusters of 6-10 flowers bloom from June to September. Five lobed dark purple corollas are approximately 0.25 in. (0.6 cm) across and covered with short white hairs on the upper surface.


What is the scientific name of memorial rose?


Describe the flowers of chinese wisteria?

Lavender, purple or white flowers are fragrant, very showy and abundant and occur in long, dangling clusters in the spring, 6-12 inches long.


Is QuisqualisindicaL. native to the United States?


Is ViburnumplicatumtomentosumMiq. native to the United States?


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


Describe the fruit of greater celandine?

The "lumpy" capsules are linear to oblong-shaped and measure 0.75-2 in. (2-5 cm) in length. Within the capsule are black seeds with reticulate pitting on their surface.


Where can I view images of lambsquarters?


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


Is pineapple-weed native to the United States?


Is SolivasessilisRuiz & Pavón native to the United States?


Describe the appearance of DioscoreapolystachyaTurcz.?

Dioscorea polystachyais an invasive herbaceous, twining vine that grows to about 16.4 ft. (5 m). It invades open to shady areas in the Eastern United States.


What is the common name of DioscoreaalataL.?


Describe the flowers of narrowleaf bittercress?

The plant blooms from May to August and its white flowers are small, being up to 0.1 in. (2.5 mm) long.


What is the scientific name of hairy fleabane?


What is the growth habit of RumexacetosellaL.?


Describe the appearance of white leadtree?

Leucaena leucocephalais a shrub or small tree that can grow up to 16 ft. (5 m) in height.


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 common pokeweed?


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


What is the invasive/noxious status of musk thistle, nodding thistle and where is it classified as such?

Category 2 (Alabama), Invasive (DOC) (Missouri), Restricted (Wisconsin)


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


Is athel tamarisk native to the United States?


What is the growth habit of GeraniumlucidumL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for woodland forget-me-not?


What is the common name of GrevilleabanksiiR. Br.?


What is the common name of CampanularapunculoidesL.?


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


Does greater celandine pose any ecological threat?

Chelidonium majuscan become abundant in minimally managed habitats and can outcompete other native herbaceous plants. It is most often found in disturbed areas especially with moist soil. Conceivably its seeds could be moved to other habitats by ants.


What is the common name of CalophylluminophyllumL.?


What is the scientific name of sacramento burrbark?


Where can I view images of Malusbaccata(L.) Borkh.?


Where can I view images of multiflora rose?


Describe the fruit of creeping waterprimrose?

Fruits ofL. peploidesare glabrous to sparsely hairy cylindrical capsules that contain many small seeds about 0.04 in. (1 mm) in size.


Fruits appear from June-February. Tightly packed seed heads of oblong, brownish, hairy nutlets (achenes), 0.1 in. (3 mm) long, topped by short stubby bristles. A thousand seeds can be produced per plant.


What is the common name of ElaeagnusangustifoliaL.?


Where can I view images of bristly oxtongue?


Is this plant invasive to the United States?


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


What is the growth habit of fuller's teasel?


Where can I view images of Dysphaniaambrosioides(L.) Mosyakin & Clemants?


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


What is the growth habit of Eragrostiscilianensis(All.) Vign. ex Janchen?


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


Where can I view images of ScillasibericaHaw.?


What is the growth habit of TamarixchinensisLour.?


What is the growth habit of yellow starthistle?


Describe the foliage of CentaureavirgataLam.?

The leaves are alternate and deeply dissected.


What is the scientific name of incised halberd fern?


Describe the foliage of japanese clover?

Leaves are alternate, trifoliate, petiolate and up to 0.75 in. (4 cm) long. Leaves are subtended with 0.1-0.6 in. (3-6 mm) long, lance-shaped stipules.


Describe the foliage of RaphanussativusL.?

The leaves are a dark green with a velvet/fuzzy texture.


Is firethorn native to the United States?


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

Potentially Invasive, Prohibited (Connecticut), Prohibited (New York), Prohibited/Restricted (Wisconsin)


What is the common name of Dysphaniapumilio(R. Br.) Mosyakin & Clemants?


Is Lantanamontevidensis(Spreng.) Briq. native to the United States?


Is this plant invasive to the United States?


Does white mulberry pose any ecological threat?

Morus albais very similar to the native red mulberry (Morus rubra), but may be distinguished by the leaves.Morus albaleaves have glossy surfaces whereas the leaves ofMorus rubrado not.Morus albais found throughout the United States, where it invades old fields, urban lots, roadsides, forest edges, and other disturbed areas. It poses an ecological threat by displacing native species, possibly hybridizing with and transmitting a root disease to the nativeMorus rubra.Morus albais native to Asia and was introduced in colonial times as a food source for silkworms.


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


What is the growth habit of tarweed cuphea?


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


Where can I view images of twoleaf nightshade?


Does narrowleaf bittercress pose any ecological threat?

Cardamine impatiensproduces many seeds per plant. It can form dense stands invading woodland habitats, and outcompete native species.


What is the common name of OleaeuropaeaL.?


Describe the fruit of ConvolvulusarvensisL.?

Fruit are light brown, rounded, and 0.13 in. (0.3 cm) wide. Each fruit contains two seeds.


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


Describe the appearance of purple starthistle?

Centaurea calcitrapais a biennial to perennial plant. It grows 2-3 ft. (0.61-0.91 m) tall.


Describe the appearance of russian olive?

Elaeagnus angustifoliais a shrub or small tree that can grow to 35 ft. (10 m) tall. The young branches are silvery while the older branches are brown. They are occasionally thorny and covered with scales.


Describe the appearance of Spartinapatens(Ait.) Muhl.?

Spartina patensis a tufted perennial warm season grass, (family Poaceae) that grows from 1-4 ft. (0.25-1.22 m) in height. The rhizomatous roots help to spread this species.S. patensis native to the southeastern coast of North America and can be seen growing in brackish marshes, low dunes, sand flats, beaches and high salt marshes.


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


What is the common name of AjugareptansL.?


Does tungoil tree pose any ecological threat?

Vernicia fordiigrows best in full sun, but it can also grow in the understory. The tree is not particularly cold tolerant.Vernicia fordiiinvades forest edges, rights of ways and urban green spaces.


Is Erechtitesvalerianifolius(Spreng.) DC. native to the United States?


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


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 RosagallicaL.?


Where can I view images of swollen fingergrass?


Describe the appearance of PrunuslaurocerasusL.?

Prunus laurocerasusis a large evergreen shrub or tree that can grow from 10-30 ft. (3-9 m) tall.


Is japanese callicarpa native to the United States?


Where can I view images of Hordeummurinumssp. leporinum(Link) Arcang.?


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


Ligustrum amurenseis a dense, erect, multi-stemmed, fast-growing, deciduous shrub (semi-evergreen in mild winter areas) that grows up to 12-15 ft (3.7-4.6 m) tall. It is native to Northern China.


What is the scientific name of burmareed?

Neyraudiareynaudiana(Kunth) Keng ex A.S. Hitchc.


Describe the appearance of Melaleucaquinquenervia(Cav.) Blake?

Melaleuca quinquenerviais a tall (up to 80 ft. [24.4 m]), evergreen tree in the eucalyptus family that invades wetland habitats in southern Florida. The bark is papery, layered, brownish-white and peeling.


Describe the foliage of FicariavernaHuds.?

The basal leaves are dark green, shiny, kidney- to heart-shaped and vary greatly in size.


What is the common name of CarduustenuiflorusW. Curtis?


Describe the appearance of PoabulbosaL.?

Poa bulbosais a perennial grass that can grow up to 7.8-31.5 in. (20-80 cm) tall. It has multiple common names but the most common are bird grass, June grass and Kentucky grass.P. bulbosais native to Africa, temperate and tropical Asia and Europe.


Describe the foliage of SolanumviarumDunal?

Leaves are broad, 6-8 in. (15.2-20.3 cm) long, 2-6 in. (5.1-15.2 cm) wide, hairy and resemble fig or oak leaves. The entire plant is loaded with 0.75 in. (1.9 cm), straight prickles.


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


Does VitexrotundifoliaL. f. pose any ecological threat?

Vitex rotundifoliais native to the Pacific Rim and was introduced into the continental United States in the 1980s as a beach stabilization plant. Plants prefer sandy soils in full sun.


Where can I view images of thunberg lespedeza?


Is LoniceraxylosteumL. native to the United States?


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


What is the U.S. Department of Agriculture (USDA) plant symbol for Catalpaspeciosa(Warder) Warder ex Engelm.?


What is the scientific name of sweet autumn virginsbower?


Where can I view images of black acacia?


Does DioscoreapolystachyaTurcz. pose any ecological threat?

Dioscorea polystachyacan form dense masses of vines that cover and kill native vegetation, including trees, within a variety of moist, disturbed habitats. It was introduced from Asia for ornamental, food, and medicinal purposes and escaped cultivation in the mid-1990s.


What is the common name of ArtemisiaabsinthiumL.?


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


Is largeleaf blackberry native to the United States?


What is the growth habit of dyer's woad?


Is this plant invasive to the United States?


Is CentaureastoebeL. native to the United States?


Is CymbalariamuralisP.G. Gaertn., B. Mey. & Scherb. native to the United States?


Is DigitariaviolascensLink native to the United States?


Where can I view images of RicinuscommunisL.?


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


What is the growth habit of common purslane?


Is dovefoot geranium native to the United States?


What is the growth habit of tasmanian bluegum?


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

Invasive (DOC) (Missouri), Invasive (North Carolina), Potentially Invasive, Prohibited (Connecticut), Prohibited (New York), Prohibited (Wisconsin)


The fruits are achenes (A small dry fruit containing a single seed).


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


Where can I view images of CruciatalaevipesOpiz?


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


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


What is the growth habit of creeping croftonweed?


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


Is cupid's-shaving-brush native to the United States?


Is this plant invasive to the United States?


What is the scientific name of oriental lady's thumb?


Describe the appearance of PaspalumquadrifariumLam.?

Paspalum quadrifariumis a perennial plant that grows in large, bluish-green bunches, or tufts, reaching 6 ft. (1.8 m) in height.


What is the growth habit of annual wormwood?


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


Describe the fruit of RaphanussativusL.?

Raphanus sativushas a variety of different colors which range from white, pink, red, and purple radishes. The root vegetable usually can grow up to 1.6-3.1 in. (4-8 cm) in diameter.


Is yellow foxtail native to the United States?


Is Nassellamanicata(Desv.) Barkworth native to the United States?


The alternate leaves are simple and linear to narrowly ovate with entire margins fringed with hairs. They can be up to 2.2 in (5.5 cm) long. Leaves are sessile or have a very short petiole. The leaves have 1-5 prominent veins.


Describe the appearance of PaederiafoetidaL.?

Paederia foetidais a perennial, climbing or trailing vine that can grow to 30 ft. (9.1 m) long. Plants originate from a woody root-stock and can invade natural and disturbed areas of Hawaii and the southeastern United States.


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


Is Arrhenatherumelatius(L.) Beauv. ex J.& K. Presl native to the United States?


Describe the flowers of Wisteriasinensis(Sims) DC.?

Lavender, purple or white flowers are fragrant, very showy and abundant and occur in long, dangling clusters in the spring, 6-12 inches long.


Each flower produces a bluish-green seed pod that contains 3, 0.13 in. (0.32 cm) long seeds. Seeds are dusty brown with a texture resembling that of a peach pit.


What is the scientific name of perennial sowthistle?


What is the common name of FoeniculumvulgareP. Mill.?


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 corkscrew willow?


What is the U.S. Department of Agriculture (USDA) plant symbol for elegant dutchman's pipe?


Where can I view images of japanese wisteria?


Is this plant invasive to the United States?


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


What is the growth habit of southern sandbur?


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


Is yellow groove bamboo native to the United States?


Is shamel ash native to the United States?


What is the growth habit of birch-leaf pear?


What is the U.S. Department of Agriculture (USDA) plant symbol for Persicariacapitata(Buch.-Ham. ex D. Don) Gross.?


Is willowleaf lettuce native to the United States?


Is CarduusnutansL. native to the United States?


What is the growth habit of scotch broom?


What is the U.S. Department of Agriculture (USDA) plant symbol for BreyniadistichaJ.R. & G. Forst.?


Describe the fruit of brittleleaf naiad?

The spindle-shaped seeds of this plant are 0.05-0.1 in. (1.5-3 mm) in size and purple colored.


Is common cattail native to the United States?


Does EucalyptusglobulusLabill. pose any ecological threat?

Eucalyptus globulusout-competes native vegetation for space, light and nutrients. It is native to Australia.


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


What is the scientific name of miramar weed?


The seeds are a pea-like capsule that contains tiny seeds.


Is kangaroothorn native to the United States?


Where can I view images of prostrate knotweed?


What is the growth habit of Reynoutriax bohemicaChrtek & Chrtková?


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


What is the growth habit of multiflora rose?


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


What is the scientific name of japanese flowering crabapple?


Is english oak native to the United States?


What is the growth habit of Piceaabies(L.) Karst.?


Is bohemian knotweed, hybrid japanese knotweed native to the United States?


Is this plant invasive to the United States?


What is the invasive/noxious status of Fatouavillosa(Thunb.) Nakai and where is it classified as such?


Does SalsolacollinaPallas pose any ecological threat?

Salsola collinacan threaten native plant ecosystems. This species can reduce yield and quality of numerous agricultural crops. She depletes soil moisture, interferes with tillage operations, and serves as a shelter or food source to many insects, vertebrate pests, and crop diseases.Salsola collinais native to eastern Europe and eastern Asia.


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


Is Microstegiumvimineum(Trin.) A. Camus native to the United States?


What is the growth habit of Falcatariamoluccana(Miquel) Barneby & Grimes?


Describe the appearance of hoary alyssum?

Berteroa incanais an annual, biennial, or perennial in the mustard family growing 1-3 ft. (0.3-0.9 m) tall.


Where can I view images of BerberisvulgarisL?


Where can I view images of mexican tulip poppy?


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


Does macartney rose pose any ecological threat?

Rosa bracteatacan form dense, impenetrable thickets in open forests and pastures. Infestations restrict cattle and wildlife use of land and displace native species. It is native to Asia and was first introduced into the United States as an ornamental.


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


What is the common name of HumulusjaponicusSiebold & Zucc.?


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


What is the growth habit of narrow-leaved iceplant?


Where can I view images of lindley's butterflybush?


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

Category 2 (Alabama), Invasive (North Carolina)


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


What is the scientific name of amur honeysuckle?


Is this plant invasive to the United States?


Does buffalobur pose any ecological threat?

S. rostratumprefers moist soils and areas like pastures, waste ground, and roadsides. Although it is native to most of North America, it is considered a noxious weed in some states.


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


Is alyceclover native to the United States?


Is castor aralia native to the United States?


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


Does african rue pose any ecological threat?

P. harmalais found in disturbed environments such as roadsides and fields in desert to semi-desert areas. The plant is found in many western states and can be poisonous to people and livestock.P. harmalais native to Africa, temperate and tropical Asia and Europe.


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


What is the scientific name of bridalwreath spiraea?


What is the scientific name of witchgrass?


Describe the foliage of GypsophilapaniculataL.?

Leaves are cauline, with bases not clasping. Blades linear-lanceolate to oblong-lanceolate, larger leaves 0.78-3.5 in.(2-9 cm) in length.


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


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


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


What is the common name of PerseaamericanaP. Mill.?


Does BromussecalinusL. pose any ecological threat?

B. secalinusis seen invading disturbed areas such as dry prairies, limestone glades, disturbed grassy meadows, vacant lots, abandoned fields, cropland, areas along railroads, and waste areas. It is weedy and aggressive.


Where can I view images of PassifloraedulisSims?


Is Genistamonspessulana(L.) L. Johnson native to the United States?


Is this plant invasive to the United States?


Describe the flowers of HumulusjaponicusSiebold & Zucc.?

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.


Is ArtemisiavulgarisL. native to the United States?


Does LigustrumobtusifoliumSieb. & Zucc. pose any ecological threat?

LikeLigustrum vulgareandL. sinense, this plant is capable of escaping to form dense thickets that can crowd out native species.


Is african tuliptree native to the United States?


Where can I view images of hairy fleabane?


What is the U.S. Department of Agriculture (USDA) plant symbol for Lygodiummicrophyllum(Cav.) R. Br.?


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


What is the scientific name of tropical almond?


What is the growth habit of AmaranthusspinosusL?


Describe the fruit of japanese climbing fern?

Fertile fronds bear sporangia that produce tiny, wind-dispersed spores. Plants are also spread by rhizomes.


Describe the appearance of ImpatiensglanduliferaRoyle?

Impatiens glanduliferais a succulent annual than can be 3-10 ft. (0.9-3 m) tall. The stems are purple tinged, hollow and hexagonally angled.


Describe the appearance of Lonicerax bellaZabel [morrowii × tatarica]?

Lonicera x bellais a hybrid betweenLonicera morrowiiandLonicera tatarica. Identification of this plant is difficult because of its many intermediate characteristics.Lonicera x bellatends to be a taller plant than either of its parents, and can reach 20 ft. (6 m) in height. The young stems of this plant are hollow and are sparsely pubescent.


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


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


Is Sennaseptemtrionalis(Viviani) Irwin & Barneby native to the United States?


What is the scientific name of silverleaf cotoneaster?


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 meadow campion?


What is the common name of Abutilongrandifolium(Willd.) Sweet?


What is the scientific name of valamuerto?

Sennapendulavar. glabrata(Vogel) Irwin & Barneby


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.


Describe the foliage of perennial sowthistle?

Leaves are sessile, alternate, clasping, up to 12 in. (30.5 cm) long and decrease in size further up the stem, margins undulate with sharp spines.


What is the scientific name of indian rubberplant?


Where can I view images of Ailanthusaltissima(P. Mill.) Swingle?


Is PlantagolanceolataL. native to the United States?


What is the growth habit of AsclepiascurassavicaL.?


What is the growth habit of EquisetumarvenseL?


What is the growth habit of common bugloss?


Is EmiliafosbergiiD.H. Nicols. native to the United States?


Where can I view images of purple pampasgrass?


Describe the fruit of peruvian peppertree?

Fruits are round, 0.2-0.3 in. (5-8 mm) in diameter, and pink to reddish turning black when mature with a strong pepper scent when crushed.


Describe the flowers of alpine knapweed, tyrol knapweed?

Flowers are radiant or discoid, in few-headed corymbiform arrays, borne on leafy-bracted peduncles. The involucres are 0.6-0.7 in. (15-18 mm), subcylindric to ovoid or campanulate, usually longer than wide, even when pressed. Flowering summer-fall (Jun-Oct).


What is the growth habit of Tripleurospermummaritimum(L.) W.D.J. Koch?


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


What is the common name of CyperusiriaL.?


Where can I view images of FestucaarundinaceaSchreb.?


What is the scientific name of orchardgrass?


What is the growth habit of PhysalisperuvianaL.?


Is Pavoniaspinifex(L.) Cav. native to the United States?


Where can I view images of scotch broom?


Describe the foliage of CentaureanigrescensWilld?

Stems are erect or ascending, openly branched distally, villous to scabrous with septate hairs and loosely tomentose. Leaves are basal and proximal cauline, petiolate, blades oblanceolate or elliptic, 2-10 in. (5-25 cm) long, margins entire or shallowly dentate to irregularly pinnately lobed; distal cauline sessile, not decurrent, blades linear to lanceolate, gradually smaller, entire or dentate.


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


Is this plant invasive to the United States?


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


Describe the fruit of tropical soda apple?

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


What is the scientific name of jamaica vervain?


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


Is mulberryweed native to the United States?


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


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


What is the scientific name of rough mannagrass?


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


What is the growth habit of european aspen?


Is mayweed, scentless chamomile native to the United States?


Epipactis helleborineis a perennial herb in the orchid family that can grow anywhere from 9.8-35.4 in. (25-90 cm) tall.


Describe the appearance of LeucanthemumvulgareLam.?

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 common name of Securigeravaria(L.) Lassen?


What is the common name of Sonchusarvensisssp. arvensisL.?


Is barb goatgrass native to the United States?


Does AtriplexsemibaccataR. Br. pose any ecological threat?

Atriplex semibaccatacan be found along roads, in marshes, and waste places. It is native to Australia.


What is the scientific name of american burnweed?

Erechtiteshieraciifolius(L.) Raf. ex DC.


Is this plant invasive to the United States?


Describe the appearance of Rorippaaustriaca(Crantz) Bess.?

Rorippa austriacais a perennial herbaceous plant that can grow up to 3.3 ft. (1 m) tall.


What is the scientific name of soft rush?


Is CentaureacyanusL. native to the United States?


Is indian mustard native to the United States?


Describe the appearance of autumn olive?

Elaeagnus umbellatais a deciduous shrub from 3-20 ft. (0.9-6.1 m) in height with thorny branches. It is easily recognized by the silvery, dotted underside of the leaves.


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


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

From September to November small, pink, 3-petaled flowers occur singly or in small clusters at the apex of the stems and in the leaf axils.


Describe the appearance of TamarixgallicaL.?

Tamarix gallicais deciduous shrub that can grow up to 15 ft. (4.8 m) in height.


What is the growth habit of anil de pasto?


Second year plants produce a 1-4 ft. (0.3-1.2 m) tall flowering stalk. Each flower has four small, white petals in the early spring.


What is the growth habit of apple-of-peru?


What is the growth habit of HeterothecagrandifloraNutt.?


What is the growth habit of rescuegrass?


What is the scientific name of spanish heath?


What is the scientific name of common grape hyacinth?


What is the common name of Alternantheraphiloxeroides(Mart.) Griseb.?


Where can I view images of Alpiniapurpurata(Vieill.) K. Schum.?


What is the common name of Phragmitesaustralisssp. australis(Cavanilles) Trinius ex Steudel?


What is the growth habit of Centellaasiatica(L.) Urban?


Where can I view images of SalsolacollinaPallas?


Fruit is pubescent with hooked bristles or barbs that cling to clothing or fur.


Is Maclurapomifera(Raf.) Schneid. native to the United States?


Is common burdock, lesser burdock native to the United States?


Does ConvallariamajalisL. pose any ecological threat?

C. majalisspreads quickly because of rhizomes which can form extensive colonies. It can tolerate full sun to full shade but prefers partial shade. Rich well drained moist soil is its preference. It has been planted extensively as an ornamental. Where it has escaped cultivation and spread into natural areas it can be invasive. It can spread by seed and rhizomes.


What is the scientific name of giant salvinia?


What is the growth habit of arabian schismus?


Describe the appearance of SpartinadensifloraBrongn.?

Spartina densiflorais perennial aquatic grass. It grows 1-5 ft. (0.3-1.5 m) tall and is native to South America.


What is the common name of FestucarubraL.?


Where can I view images of incised halberd fern?


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


The alternate leaves are elliptical. Leaves are up to 10 in. (25 cm) long, 3 in. (7 cm) wide, wavy along the margins and have prickles on the veins.


Is LigustrumjaponicumThunb. native to the United States?


Is eulophia ground orchid native to the United States?


Describe the appearance of Knautiaarvensis(L.) Coult.?

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


What is the common name of EpilobiumhirsutumL.?


Where can I view images of stinging nettle?


Leaves are elliptic-oblong to oval, alternate, petioled, 2.5-4.5 in. (6.4-11.4 cm) long and covered on both surfaces with hairs. Leaves also emit a potato odor when crushed, and contain prominent prickles on the petiole. Stems are angled at the nodes, become woody with age, and also have prickles and hairs.


What is the growth habit of AntigononleptopusHook. & Arn.?


Does LeucojumaestivumL. pose any ecological threat?

Leucojum aestivumcan be found in marshes, wet meadows, wetlands, and willow thickets. It is native to Europe.


What is the growth habit of AlbiziajulibrissinDurazz.?


Describe the foliage of VerbascumblattariaL.?

Basal leaves from a rosette 8-12 in. (20.3-30.5 cm) across. Stem leaves are alternate, up to 6 in. (15.2 cm) long, and lanceolate with margins that are usually crenate. Lower leaves clasp the stems but the upper leaves are more likely to be sessile.


Flowering occurs in early summer, when very showy, fragrant, pink flowers develop in groups at the ends of the branches.


Is capeweed native to the United States?


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 HieraciumcaespitosumDumort.?

Leaves long and narrow, up to 6 in. (15.2 cm) long, somewhat hairy on both sides, and form a basal rosette. There are also one or two small leaves found on the stem.


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


Is swamp morning-glory native to the United States?


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


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


What is the growth habit of UtriculariainflataWalter?


What is the growth habit of hoary alyssum?


Describe the flowers of creeping yellow loosestrife, creeping jenny?

This plant often does not flower at all. But when it does the flowers are yellow with small dark red spots. The flowers arise from the leaf axils and have pedicels about 0.25-1.5 in (0.6-3.8 cm) long. It blooms from June to August.


Describe the appearance of european water chestnut?

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


Where can I view images of BidensbipinnataL.?


What is the common name of Crepiscapillaris(L.) Wallr?


The white, five-petal flowers have green sepals and yellow stamens. They are present from late spring to early fall in the axils of the leaves.


Describe the flowers of IpomoeaaquaticaForssk.?

The white to purple funnel shaped flowers are usually solitary. Sometimes a few flowers are held in a cyme. It can flower year round in tropical climates.


Is rose of sharon native to the United States?


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


Inflorescence is an open panicle, 2-7 in. long with spreading, usually drooping branches. Spikelets are 6 to 10 flowered, 1/2-1 in. in length, and 1/8-1/4 of an inch wide. First glumes are usually 3- to 5- nerved, 1/8-1/4 of an inch long. Second glumes are 5- to 9-nerved and 1/4-1/2 of an inch in length.


What is the growth habit of glossy privet?


Is narrow-leaved cattail native to the United States?


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


Is indian shot native to the United States?


What is the growth habit of linden viburnum?


What is the common name of RosarugosaThunb.?


What is the growth habit of arrowleaf elephant's ear?


Describe the foliage of spiny plumeless thistle?

This thistle may exceed two meters in height and can form weedy monotypic stands. The stem and foliage are spiny and sometimes woolly.


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


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

Category 2 (Alabama), Invasive  (Michigan), Invasive (Delaware), Invasive (IPC) (Missouri), Invasive (North Carolina), Invasive, Prohibited (Connecticut), Restricted (Wisconsin)


Describe the appearance of Anthriscussylvestris(L.) Hoffmann?

Anthriscus sylvestrisis an herbaceous biennial that grows up to 3.25 ft. (1 m) in height. The stems are hollow and covered in hairs.Anthriscus sylvestrisis native to Europe.


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


Is LepidiumchalepenseL. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Sphagneticolatrilobata(L.C. Rich.) Pruski?


Is american burnweed native to the United States?


Is OnopordumillyricumL. native to the United States?


What is the scientific name of japanese laurel?


Is chamber bitter native to the United States?


What is the scientific name of broadleaf carpetgrass?


Is paperflower native to the United States?


What is the scientific name of marsh thistle?


Where can I view images of apple-of-peru?


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


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


What is the scientific name of fieldnettle betony?


What is the common name of Lobulariamaritima(L.) Desv.?


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


What is the scientific name of european privet?


Is this plant invasive to the United States?


Is XanthiumspinosumL. native to the United States?


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


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


Does woolly distaff thistle pose any ecological threat?

Carthamus lanatusprefers disturbed areas such as roadsides, fields, and pastures. It is native to the Mediterranean and Europe.


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


What is the invasive/noxious status of Myriophyllumaquaticum(Vell.) Verdc. and where is it classified as such?

Category 1 (Alabama), Class C (Alabama), Invasive (North Carolina), Potentially Invasive, Prohibited (Connecticut), Prohibited (New York), Prohibited (Wisconsin), Regulated (Minnesota), Watch List, Prohibited (Michigan)


What is the growth habit of EchiumplantagineumL.?


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


Describe the appearance of purple loosestrife?

Lythrum salicariais a tall, multistemmed (30-50 per plant), perennial forb that can grow up to 10 ft. (3 m) in height.


Is barbados lily native to the United States?


What is the growth habit of common mullein?


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


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


The staminate plants may produce small, white flowers annually.


What is the growth habit of Macroptiliumlathyroides(L.) Urb.?


What is the scientific name of boatlily?


Describe the fruit of spotted deadnettle?

The fruit is a brown color and ornamentally inconspicuous.


Fruits are round, red, juicy drupes which are finely dotted with silvery to silvery-brown scales. Each drupe contains one seed. Fruits ripen from August to November.


Is Dipsacussativus(L.) Honckeny native to the United States?


What is the growth habit of tall wheatgrass?


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


What is the common name of Lepidiumdensiflorumvar. densiflorumSchrad.?


What is the growth habit of common barberry?


What is the common name of PrunuscerasusL.?


Where can I view images of flat peavine?


Describe the flowers of AcaciaconfusaMerr?

Acacia confusaflowers are small, rounded, yellow heads ranging from 0.23-0.3 in. (6-8 mm) in diameter. 1 to 3 flowers heads can be found in the axil of the phyllode.Acacia confusaflowers are fragrant and have numerous stamens.


What is the scientific name of quackgrass?


What is the U.S. Department of Agriculture (USDA) plant symbol for Buglossoidesarvensis(L.) I.M. Johnston?


Is asiatic pennywort native to the United States?


Describe the fruit of Persicariaperfoliata(L.) H. Gross?

Fruit are present in mid-July through the first frost, are metallic blue and segmented with each segment containing a single black or reddish black seed.


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.


Only the female flowers of this dioecious plant have been found in the United States, which means no viable seed are produced.


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


What is the growth habit of spanish heath?


Is yellowtuft native to the United States?


Where can I view images of VerbenaincomptaP. W. Michael?


What is the U.S. Department of Agriculture (USDA) plant symbol for Erodiumcicutarium(L.) L'Hér. ex Ait.?


Is CerastiumfontanumBaumg. native to the United States?


Leaves are succulent, dark green in color, smooth, fleshy, alternate, irregularly divided, and from 0.8-2 in. (2-5 cm) long.


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


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


Describe the appearance of butterflybush?

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


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


Is ElaeagnuspungensThunb. native to the United States?


Where can I view images of common tansy?


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


Is CasuarinacunninghamianaMiq. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Euchitonjaponicus(Thunb.) A. Anderb.?


Is Rytidospermabiannulare(Zotov) Connor & Edgar 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 SymphytumofficinaleL.?


What is the growth habit of rose campion?


Is PaspalumdilatatumPoir. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Cortaderiaselloana(Schult. & Schult. f.) Asch. & Graebn.?


What is the growth habit of nightflowering catchfly?


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


Where can I view images of CyperusentrerianusBoeckl.?


What is the common name of RhizophoramangleL.?


What is the scientific name of giant chickweed?


Describe the flowers of HelianthusciliarisDC.?

The flowers are composites. The ray flowers are yellow while the disk flowers are reddish to purple-brown in color.


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


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


What is the scientific name of sticky chickweed?


Flowers are pedicellate and arranged in a series of lateral racemes of 3 to 7 flowers on indeterminate axillary branches. Pedicels are 0.06-0.12 in. (1.5-3 mm). Standard flower is 0.39-0.51 in. (10-13 mm). Flowers in late winter-spring to late summer-autumn.


Is GenistatinctoriaL. native to the United States?


What is the scientific name of tropic ageratum?


The leaves are alternate, broadly deltate to "ivy-shaped", with 5-7 shallow, but sharply pointed lobes.


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


Is this plant invasive to the United States?


Is LotuscorniculatusL. native to the United States?


What is the scientific name of seaside rose?


Is corn speedwell native to the United States?


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


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


What is the growth habit of mauritius hemp?


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


Where can I view images of bermudagrass?


Where can I view images of SilphiumperfoliatumL.?


What is the growth habit of lawn burweed?


Is jamaica vervain native to the United States?


Is thoroughwort pennycress native to the United States?


What is the common name of Veronicaanagallis-aquaticaL.?


What is the common name of Lonicerax bellaZabel [morrowii × tatarica]?


Is EhrhartalongifloraSm. native to the United States?


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


What is the scientific name of bouncingbet?


Is RubusrosifoliusSm. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for CorispermumnitidumKit. ex J.A. Schultes?


Plants rarely fruit, but fruit are small, red and dotted with small brown scales.


Is this plant invasive to the United States?


What is the growth habit of creeping liriope?


Where can I view images of european birch?


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


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


What is the U.S. Department of Agriculture (USDA) plant symbol for cane fruit (blackberry, raspberry)?


What is the scientific name of woodland strawberry?


Where can I view images of exotic swallowwort?


Is black mangrove native to the United States?


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


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


What is the growth habit of ChenopodiummuraleL.?


Describe the flowers of common water hyacinth?

The very showy blue-purple flowers are born on upright spikes. Each flower has six petals with the uppermost having a yellow patch.


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


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


What is the growth habit of japanese angelica tree?


What is the growth habit of african rue?


The fruits are smooth, lanceolate in shape and measure 0.25 in. (6 mm) long. They have a pronounced beak that measures 0.04 in. (1 mm) long. The fruits start out green and turn brown as they ripen.


Describe the appearance of squarrose knapweed?

Centaurea virgatais a perennial forb that can grow 12-18 in. (30.5-45.7 cm) tall. This species is sometimes confused with diffuse knapweed (Centaurea diffusa), but can be distinguished fromCentaurea diffusaby the floral bracts. Bracts onCentaurea virgataare curved outward and are not laterally toothed.


Is LathyrussylvestrisL. native to the United States?


Is this plant invasive to the United States?


Is meadow campion native to the United States?


Where can I view images of Linariadalmatica(L.) P. Mill.?


Flowering occurs in June to August, when umbels of small, 0.75-1 in. (1.9-2.5 cm) wide, pink to white flowers develop.


Where can I view images of canary island st. johnswort?


Where can I view images of MiconiacalvescensDC.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Tripleurospermummaritimum(L.) W.D.J. Koch?


What is the growth habit of winter creeper?


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


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


Where can I view images of stinking chamomile?


Is bird vetch native to the United States?


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


Is white bryony native to the United States?


Describe the foliage of SolanumdulcamaraL.?

Leaves are dark-green to purplish, petiolate, alternate, 3 lobed (upper part of the stem), acuminate and up to 3.1 in. (7.9 cm) long.


Does glossy buckthorn pose any ecological threat?

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


What is the common name of SpartiumjunceumL.?


Seeds can remain viable in soil for more than 80 years.


Where can I view images of PopulusalbaL.?


What is the growth habit of AgrostiscapillarisL.?


Where can I view images of Citrusx limon(L.) Osbeck?


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 GeraniumdissectumL.?


Describe the foliage of sweet autumn virginsbower?

The leaves are opposite, compound (with 3-5 leaflets), and the margins are entire. Leaflets are each 2-3 in. (5-7.6 cm) long.


What is the growth habit of SonchusoleraceusL.?


Where can I view images of Didymospheniageminata(Lyngbye) M. Schmidt?


Fruits are oval black to bluish berries containing a single seed. Berries ripen in early summer. Plant reproduces by seed as well as by root sprouts.


What is the common name of AlopecuruspratensisLinnaeus?


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


What is the growth habit of chinese fir?


Is hairy buttercup native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for changing forget-me-not?


Describe the flowers of ovate goatgrass?

The inflorescence is made up of racemes. The fertile spikelets are urn shaped. Glumes have distinctive awns from 0.8-1.4 in. (2-3.5 cm) long.


Where can I view images of AmaranthusviridisL?


What is the scientific name of redflower ragleaf?


What is the common name of MenthapulegiumL.?


Is Alternantherasessilis(L.) R. Br. ex DC. native to the United States?


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


What is the scientific name of white kyllinga?

Kyllinganemoralis(J.R. Forst. & G. Forst.) Dandy ex Hutch. & Dalziel


Where can I view images of Eleusineindica(L.) Gaertn.?


What is the growth habit of macartney rose?


Is this plant invasive to the United States?


Is Corydalisincisa(Thunb.) Pers. native to the United States?


What is the scientific name of elegant dutchman's pipe?


Describe the appearance of narrowleaf bittercress?

Cardamine impatiensis an herbaceous plant which can be an annual or biennial. It can grow to be 2 ft. (0.6 m) in height. The stem is erect and glabrous. It is somewhat shade tolerant, so it does well in forest edges or dappled sunlight. It also does well in areas that have moist soil.


Does stinking chamomile pose any ecological threat?

A. cotulais allelopathic, requires control in cropping systems, and may contaminate seed crops, requiring costly seed cleaning. Caution: Contact withA. cotulacan cause irritations and rashes to workers and livestock. Milk of dairy animals develops a strong unpleasant flavor after consumingA. cotula.


Leaves are small, alternate and compound with 3 leaflets. The leaves are often not noticeable, due to the dark green stems.


Is moonflower native to the United States?


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


What is the growth habit of lilac chastetree?


Is MarrubiumvulgareL. native to the United States?


Does UlmusparvifoliaJacq. pose any ecological threat?

Ulmus parvifoliacan be found in a variety of different habitat types such as meadow, prairie, and landscaping. It prefers full to partial sun, and well drained soils.


What is the common name of Digitariaciliaris(Retz.) Koel?


Describe the flowers of bittersweet nightshade?

Flowering occurs in May to November, when purple flowers develop. Petals are recurved and up to 0.4 in. (1 cm) long. Stamens are bright yellow and fused together around the stigma.


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


What is the U.S. Department of Agriculture (USDA) plant symbol for PassifloratarminianaCoppens & V. E. Barney?


Is common mullein native to the United States?


What is the scientific name of sweet vernalgrass?


Where can I view images of european spindletree?


Where can I view images of Terminaliamyriocarpavan Heurck & Muell.-Arg.?


Describe the appearance of Bothriochloaischaemum(L.) Keng?

Bothriochloa ischaemumis a perennial grass that can grow from 3 to 5 ft. (1-1.5 m) tall.


Is this plant invasive to the United States?


Describe the flowers of Ligustrumspp.L.?

Flowers have both male and female parts, and the corollas are white. The calyx is small, obconic or campanulate, and 4-toothed. Each flower has petals that are fused into a tube below with four separate lobes above. Flowers are borne on small panicles terminating the main axis and on short lateral branches. Bloom time is usually June-July.


Is peregrine saltbush native to the United States?


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


What is the common name of PrunellavulgarisL.?


Describe the foliage of Reynoutriax bohemicaChrtek & Chrtková?

Stems are usually erect, clustered, and glabrous. Leaves are ovate, base is truncate to cordate, entire margins, and acute tips.


What is the growth habit of babysbreath?


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


Where can I view images of blackeyed susan vine?


What is the growth habit of coral ardisia?


Where can I view images of japanese hop?


Is ArdisiaellipticaThunb native to the United States?


What is the invasive/noxious status of european black alder and where is it classified as such?


Quercus roburhas a wide spreading crown, short sturdy trunk, and deeply fissured gray brown bark. It can grow to 140 ft (42.7 m) tall with a rounded spread of 80 ft (24.4 m) or more, but is usually smaller in cultivation. It is native to Asia and Europe.


What is the growth habit of PyracanthacoccineaM. Roemer?


Where can I view images of european black alder?


What is the growth habit of japanese zelkova?


What is the growth habit of Cotoneasterspp.Medik.?


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


What is the scientific name of evergreen bugloss?

Pentaglottissempervirens(L.) Tausch ex L.H. Bailey


What is the growth habit of ViburnumlantanaL.?


Where can I view images of PrunuscerasiferaEhrh.?


Describe the appearance of japanese honeysuckle?

Lonicera japonicais a woody perennial, evergreen to semi-evergreen vine that can be found either trailing or climbing to over 80 ft. (24 m) in length. Young stems may be pubescent while older stems are glabrous.


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


What is the invasive/noxious status of sweet autumn virginsbower and where is it classified as such?

Category 2 (Alabama), Invasive (Delaware), Invasive (IPC) (Missouri), Invasive (North Carolina), Regulated (New York)


Does EgeriadensaPlanch. pose any ecological threat?

Egeria densainvades both still and flowing water ecosystems including lakes, ponds, ditches, and rivers. It can form dense stands that crowd out native vegetation and reduce the area's value as fish habitat. It can also interfere with recreational activities such as fishing and swimming. This plant was first introduced into the United States in the late 1800s as an aquarium plant.


Is ladysthumb native to the United States?


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


Describe the appearance of RumexacetosellaL.?

Rumex acetosellais a perennial herb that can reach 1.6 ft. (0.5 m) in height.


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


Is Ludwigiaoctovalvis(Jacq.) Raven native to the United States?


Is TribulusterrestrisL. native to the United States?


What is the growth habit of Cortaderiajubata(Lem.) Stapf?