Is this plant invasive to the United States?


Is florida betony native to the United States?


Is BuddlejamadagascariensisLam. native to the United States?


Is Tibouchinaurvilleana(DC.) Cogn. native to the United States?


Is cream garland-lily native to the United States?


What is the scientific name of hemp/marijuana (sativa)?


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 RuelliablechumL.?


What is the common name of Viciahirsuta(L.) S.F. Gray?


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


Does Lespedezacuneata(Dum.-Cours.) G. Don pose any ecological threat?

Lespedeza cuneatais an extremely aggressive invader of open areas and out competes native vegetation. Once established,Lespedeza cuneatais very difficult to remove due to the seed bank which may remain viable for decades. Native to Asia and introduced into the United States in the late 1800s, it has been widely planted for erosion control, mine reclamation and wildlife habitat.


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


Does RumexacetosellaL. pose any ecological threat?

Rumex acetosellais native to Europe and occurs along roadsides and other disturbed areas.


Where can I view images of spotted knapweed?


Describe the fruit of fivestamen tamarisk?

Fruits are capsules that are 0.12-0.16 in. (3-4 mm).


Is common mediterraneangrass native to the United States?


What is the growth habit of FicusaltissimaBlume?


What is the growth habit of Bassiascoparia(L.) A.J. Scott?


Describe the appearance of giant hogweed?

Heracleum mantegazzianumis a herbaceous biennial or monocarpic perennial that can grow up to 15-20 ft. (4.3-5.8 m) in height. The stem is hollow and usually blotched with purple. Both the leaf stalks and stem produce pustulate bristles. The stem can be 2-4 in. (4.8-9.6 cm) in diameter.


Is this plant invasive to the United States?


Describe the foliage of RobiniapseudoacaciaL.?

Leaves are pinnately compound with 7-21 small, round leaflets per leaf. Leaflets are 1.5 in. (4 cm) long. A pair of long, stipular spines is found at the base of most leaves.


What is the growth habit of japanese black pine?


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


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


Describe the fruit of MyriophyllumspicatumL.?

The very small globular fruit ofMyriophyllum spicatumare indehiscent, and contain 4 seeds.


Where can I view images of Sorbariasorbifolia(L.) A. Braun?


Where can I view images of common vetch?


Describe the foliage of silverleaf nightshade?

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 LathyruslatifoliusL. native to the United States?


Describe the flowers of Myriophyllumaquaticum(Vell.) Verdc.?

As only female plants occur in North America, reproduction occurs vegetatively. Inconspicuous flowers are formed in the axils of the emergent leaves in the spring (sometimes fall).


What is the scientific name of weeping higan cherry?


What is the growth habit of thunberg lespedeza?


Does dyer's woad pose any ecological threat?

Isatis tinctoriaoccurs in areas with poor, dry soils such as roadsides, rangelands and open forests. Isatis tinctoria is native to central Asia and northern Russia and was introduced to North America in the early 1900’s as a contaminant in alfalfa seed.


Is Nymphoidespeltata(S.G. Gmel.) Kuntze native to the United States?


Is HelianthustuberosusL. native to the United States?


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


Is big trefoil native to the United States?


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


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


Describe the foliage of chinese silvergrass?

The leaves are long (up to 18 in. [45 cm]), slender, and upright-to-arching with sharp tips and rough margins. The midribs are silvery in color.


Describe the appearance of Mirabilisnyctaginea(Michx.) MacM.?

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


Is this plant invasive to the United States?


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


Is kahila garland-lily native to the United States?


Describe the foliage of sweet breath of spring?

Leaves are opposite, round, 1-3 in. (2.5-7.6 cm) long and wide and usually persist into winter.


Is wild radish native to the United States?


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


Is Sansevieriahyacinthoides(L.) Druce native to the United States?


Is VitisviniferaL. native to the United States?


Does perilla mint pose any ecological threat?

P. frutescensgrows along roadsides, ditches, forest margins, and on hillsides. It spreads to natural areas, especially disturbed areas. I can disrupt native ecosystems by outcompeting native plants. It is ordinarily avoided by cattle and has been implicated in cattle poisoning. Beefsteak plants are most toxic if cut and dried for hay late in the summer, during seed production.


What is the growth habit of Hordeummurinumssp. glaucum(Steud.) Tzvelev?


Where can I view images of EuphorbialathyrisL.?


Describe the foliage of ClematisvitalbaL.?

Leaves are compound, opposite and are usually arranged with five leaflets. Stems are woody in appearance.


Fruit is a one-seeded achene that is less than 0.1 in. (0.8 mm) long.


Describe the foliage of Loniceramaackii(Rupr.) Herder?

The oppositely arranged leaves are ovate to lance-ovate in shape and measure 1.3-3.3 in. (3.5-8.5 cm) long. The tips of the leaves are acuminate. The leaves are dark green above and lighter on the lower surface. The veins of the leaves are pubescent.


Where can I view images of AmorphafruticosaL.?


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

Category 2 (Alabama), Invasive (Delaware), Invasive (DOC, IPC) (Missouri), Invasive (North Carolina), Invasive, Prohibited (Connecticut), Prohibited (New York), Prohibited/Restricted (Wisconsin), Tier 1 (Maryland)


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 eurasian watermilfoil?


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


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


Is this plant invasive to the United States?


Describe the fruit of RubuslaciniatusWilld.?

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


What is the common name of Torilisarvensisssp. arvensis(Huds.) Link?


Is tropical signalgrass native to the United States?


Describe the foliage of bighead knapweed?

Broadly lance-shaped leaves with sharp, pointed tips are rough to the touch and up to 15 in. (38.1 cm) long at the base of the plant.


What is the scientific name of glossy privet?


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


Is VitextrifoliaL. native to the United States?


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


What is the growth habit of white poplar?


Where can I view images of CerastiumglomeratumThuill.?


Is himalayan balsam native to the United States?


Where can I view images of spiny amaranth?


Describe the foliage of small carpetgrass, joint-head grass?

Leaves are 1-3 in. (2.5-7.6 cm) long, 0.2 in. (0.5 cm) wide and have heart shaped bases. The margins of the leaves have conspicuous hairs.


Describe the fruit of ArdisiaellipticaThunb?

Fruits are drupes that are rounded, fleshy, 0.3 in. (8 mm) in diameter, and start out red in color but turn black or purple as they mature.


Is bulbous bluegrass native to the United States?


Describe the flowers of SpartinadensifloraBrongn.?

The inflorescence narrow, dense, and cylindrical with branches erect and overlapping.


Where can I view images of Sileneflos-cuculi(L.) Clairv.?


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


What is the scientific name of purple beautyberry?


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


Is this plant invasive to the United States?


Describe the foliage of purple crown-vetch?

The leaves are dark green pinnately compound with 9 to 25 pairs of leaflets and a terminal leaflet. Leaflets are 0.75 in. (1.9 cm) long.


Describe the fruit of PhellodendronamurenseRupr.?

Fruits are drupes, 0.25-0.5 in. (0.6-1.3 cm) in diameter and bright green (black when mature).


What is the growth habit of MomordicacharantiaL.?


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


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


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


What is the common name of PilosellaofficinarumVaillant?


Describe the flowers of RobiniahispidaL.?

The dark to light pink pea like flowers are clustered in the leaf axils. The flowers bloom from May through June.


What is the common name of RubusellipticusSm.?


Where can I view images of RosaspinosissimaL.?


What is the scientific name of cherokee rose?


What is the scientific name of old world climbing fern?


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


Does chinese wisteria pose any ecological threat?

Wisteria sinensiscan displace native vegetation and kill trees and shrubs by girdling them. The vine has the ability to change the structure of a forest by killing trees and altering the light availability to the forest floor. A native of China, it was first introduced into the United States in 1816 for ornamental purposes.


Describe the fruit of Achyranthesjaponica(Miq.) Nakai?

The fruits are elliptic utricles that are held tightly along the stem. Fruits contain a single seed and each plant produces many seeds. Each fruit has a pair of stiff bracts that can attach to fur or clothing, allowing the seed to be easily spread.


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


Where can I view images of DaturastramoniumL.?


What is the common name of TaxuscuspidataSieb. & Zucc.?


What is the growth habit of Malusspp.P. Mill.?


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


What is the common name of CabombacarolinianaA. Gray?


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


What is the growth habit of cutleaf blackberry?


What is the common name of Asclepiasphysocarpa(E. Mey.) Schlechter?


Is this plant invasive to the United States?


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


What is the scientific name of purple loosestrife?


Describe the flowers of Araliaelata(Miq.) Seem?

The whitish to cream colored flowers are borne in a large inflorescence from 12-24 in. long. The inflorescence is multi-stemmed and is often wider than tall. It blooms from about late July to August.


What is the common name of Clerodendrumjaponicum(Thunb.) Sweet?


What is the scientific name of japanese honeysuckle?


What is the growth habit of common water hyacinth?


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


Describe the foliage of IsatistinctoriaL.?

First years growth is represented by a rosette of hairy, bluish-green leaves 1.5-7 in. (3.7-18 cm) long. Stem leaves are lance-shaped and alternate with a cream colored mid-rib.


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


Where can I view images of black knapweed?


What is the growth habit of LathyruslatifoliusL.?


What is the common name of HypericumperforatumL.?


Describe the flowers of BuddlejadavidiiFranch.?

Flowering occurs from May to August, when dense clusters of tubular flowers develop. These flowers have 4 petals and can be purple, white or pink. The flowers produce high quantities of nectar and are attractive to butterflies, hence the common name.


What is the scientific name of european speedwell?


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


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


Is BocconiafrutescensL. native to the United States?


Does white leadtree pose any ecological threat?

In areas whereLeucaena leucocephalais considered an invasive weed, it will form dense thickets and displace the native vegetation. Disturbed, cleared areas, coastal strands, outskirts of forests and canopy gaps are some locations regularly invaded byLeucaena leucocephala.


Where can I view images of common velvetgrass?


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


Is this plant invasive to the United States?


Does HieraciumcaespitosumDumort. pose any ecological threat?

Hieracium caespitosumis native to Europe and occurs in fields, roadsides and sparse woodlands. It was first found in the United States in Washington in 1969.


What is the scientific name of twolobe speedwell?


What is the scientific name of bluehead gilia?


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


What is the scientific name of rattlesnake brome?


Is ScaevolataccadaVahl native to the United States?


Does sericea lespedeza pose any ecological threat?

Lespedeza cuneatais an extremely aggressive invader of open areas and out competes native vegetation. Once established,Lespedeza cuneatais very difficult to remove due to the seed bank which may remain viable for decades. Native to Asia and introduced into the United States in the late 1800s, it has been widely planted for erosion control, mine reclamation and wildlife habitat.


Describe the flowers of BerberisthunbergiiDC.?

The pale-yellow flowers occur in drooping clusters of 2-5 and develop in mid-spring to early summer.


Describe the fruit of SolanumelaeagnifoliumCavanaugh?

Fruits are berries found in clusters that are round, 0.4-0.6 in. (10-15 mm) in diameter, and orange-yellow at maturity. Each fruit contains 60-120 greenish-brown, smooth, 0.12 in. (3 mm) in diameter seeds. Fruits are said to be poisonous, especially to livestock.


Where can I view images of bladder senna?


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


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


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


Describe the appearance of small philippine acacia?

Acacia confusais a small many branched tree or shrub in the family Fabaceae. It is native to Australia, Indonesia, and Papua New Guinea.Acacia confusagrows up to 13 ft. (4 m) tall and 3.3 ft. (1 m) in diameter. It bears straight stipular thorns.


Is purple loosestrife native to the United States?


Describe the foliage of twoleaf watermilfoil?

The submerged leaves are finely dissected, whorled, reddish/greenish-brown, and 0.5-2.5 in. (1.3-6.4 cm) long. The emergent leaves are small, oval, bright green, whorled and up to 0.25 in. (0.6 cm) wide. Emergent leaves stand 6-8 in. (15.2-20.3 cm) out of the water and may not be apparent until late summer.


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


What is the growth habit of AegilopscylindricaHost?


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


What is the common name of Colocasiaesculenta(L.) Schott?


Is Lygodiumjaponicum(Thunb. ex Murr.) Sw. native to the United States?


Does bohemian knotweed, hybrid japanese knotweed pose any ecological threat?

Fallopia x bohemicaprefers disturbed areas such as fields, pastures, and along roadsides and railways. It is native to Japan.


What is the U.S. Department of Agriculture (USDA) plant symbol for AcaciacyclopsA. Cunn. ex G. Don?


Is this plant invasive to the United States?


What is the scientific name of clover dodder?


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


Describe the flowers of RubusphoenicolasiusMaxim.?

Small, white, 5-petaled flowers develop in May-June. The sepals are hairy and longer than the petals, giving the flowers an unopened look.


What is the growth habit of PanicumcapillareL.?


What is the growth habit of SisymbriumorientaleL.?


What is the growth habit of Citrustrifoliata(L.) Raf.?


Describe the flowers of CarexkobomugiOhwi?

Flowering occurs in April to June, with male and female flowers occurring on different plants. Other sedge species that occur in the same habitat flower much later in the year (late summer to fall).


What is the common name of Thinopyrumintermedium(Host) Barkworth & D.R. Dewey?


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


Describe the flowers of IlexaquifoliumL.?

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


Is venice mallow native to the United States?


What is the growth habit of ScabiosaatropurpureaL.?


Fruits come from female flowers and are brownish to blackish or even reddish mottled with white patches. They are very tiny and appear as a tufted nutlet.


Is february daphne native to the United States?


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


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


Is Sorbariasorbifolia(L.) A. Braun native to the United States?


Describe the foliage of GalegaofficinalisL.?

Leaves are multi-stemmed with alternate, pinnately compound.


Spreads by growth from thick, tuberous roots from which new plants are produced; seed; people tossing away whole pulled plants and by farm equipment or other machinery in fields.


Is common water hyacinth native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Epilobiumbillardierianumssp. cinereum(A. Rich.) P.H. Raven & Engelhorn?


What is the growth habit of japanese laurel?


Is this plant invasive to the United States?


Describe the appearance of TyphalatifoliaL.?

Typha latifoliais a perennial aquatic herb that can reach up to 6.6 to 9.8 ft. (2-3 m) tall.


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

Leaves are small, scale-like, gray-green in color, and overlap along the stem. The bark is smooth and reddish on younger plants, turning brown and furrowed with age.


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


What is the growth habit of Cupaniopsisanacardioides(A. Rich.) Radlk.?


The leaves are alternate, oval to elliptical, with irregular wavy margins and silvery surfaces, 2-4 in. (5.1-10.2 cm) in length and thick.


Where can I view images of Nymphoidescristata(Roxb.) O. Ktze.?


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 birdsrape mustard?


What is the growth habit of RosalaevigataMichx.?


Describe the appearance of shortpod mustard?

Hirschfeldia incanais a perennial or annual herb that can grow from 35.4-47.2 in. (90-120 cm) tall.


What is the scientific name of air-potato?


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


What is the growth habit of SolivasessilisRuiz & Pavón?


Is pale flax native to the United States?


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


Describe the flowers of CyperusrotundusL.?

Near the ends are clusters of narrow spikelets, 0.3-1 in. (0.8-2.5 cm) long and 0.07 in. (2 mm) wide, 10- to 40-flowered, acute and compressed with a red, reddish-brown, or purplish-brown color.


Where can I view images of squirreltail fescue?


What is the growth habit of Acaenanovae-zelandiaeKirk?


Is rattail fescue native to the United States?


Where can I view images of purple nutsedge?


Is ptychosperma 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 SalixmatsudanaKoidzumi?


Describe the foliage of VerbascumthapsusL.?

First year plants develop as a basal rosette of felt-like leaves. Basal leaves are 4-12 in. (10.2-30.5 cm) long, 1-5 in. (2.5-12.7 cm) wide and covered with woolly hairs. Cauline (stem) leaves are decurrently alternate and decrease in size towards the apex.


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


Where can I view images of LonicerajaponicaThunb.?


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


What is the common name of LepidiumvirginicumL.?


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


What is the growth habit of showy milkweed?


Does bouncingbet pose any ecological threat?

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


Does earleaf acacia pose any ecological threat?

Acacia auriculiformisis now common in disturbed areas. It has also invaded pinelands, scrub, and hammocks. Significant populations have been discovered in the globally imperiled pine rocklands of Dade County (M. McMahon, Biological and Environmental Consulting, personal observations).Acacia auriculiformiscan displace native vegetation and shade out native plants. It is adapted to nutrient-poor soils in humid tropics and is fire adapted.


Where can I view images of CentaureamacrocephalaPuschk. ex Willd.?


Describe the appearance of bighead knapweed?

Centaurea macrocephalais a large, perennial herb that grows on sturdy root stock and can reach 5 ft. (1.5 m) tall. Various common names including Lemon Fluff, Globe Centaury and Pineapple Thistle.


Is RhusglabraL. native to the United States?


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


Is largeleaf lantana native to the United States?


What is the common name of LigustrumlucidumW.T. Aiton?


What is the scientific name of thymeleaf speedwell?


Vines emerge each spring from a large fleshy parsnip-shaped tuber and grow rapidly, sometimes to 30 ft. (9.1 m) in a season.Bryonia albadevelops a herbaceous vine each year sporting tendrils and palm-shaped, alternate, broadly five lobed leaves which are covered on upper and lower surfaces by small white glands.


Where can I view images of NeriumoleanderL.?


Is this plant invasive to the United States?


Is LapsanacommunisL. native to the United States?


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


Is NajasminorAll. native to the United States?


What is the scientific name of black locust?


Does giant reed pose any ecological threat?

Arundo donaxinvades wetlands such as ditches, stream banks and lake shores.Arundo donaxcompetes for water, nutrients and radiation, suppresses and excludes native vegetation which degrades wildlife habitat, increases fire risks and interferes with flood control.Arundo donaxis native to India and was introduced into the United States in the early 1800s for ornamental purposes.


What is the scientific name of cinnamon rose?


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


Describe the flowers of Dittrichiagraveolens(L.) W. Greuter?

Flower heads are small, bell shaped, 0.18-0.39 in. (4.5-10 mm) long, and found in long loose panicles. Flowers are yellow and 0.16-0.28 in. (4-7 mm) long.


Describe the foliage of Rhaponticumrepens(L.) Hidalgo?

Stem leaves are oblong, pinnately lobed to entire and up to 6 in. (15.2 cm) in length at the base of the stem and become smaller and less lobed toward the top.


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


What is the common name of PhalarisarundinaceaL.?


What is the growth habit of rough mannagrass?


Where can I view images of Euonymusalatus(Thunb.) Sieb.?


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


Where can I view images of PopulusdeltoidesBartr. ex Marsh.?


Does IrispseudacorusL. pose any ecological threat?

It forms large clonal colonies displacing native species. The rhizomes are able to survive heavy droughts. Rhizomes and seeds can be transported downstream, further spreading the plant. Seeds can germinate even after a wetland area burns. It contains glycosides, making it toxic to grazing animals. No birds are known to disperse the seeds of this plant. Caution should be used when hand-pulling, as it can cause skin irritation.


Is ViburnumsetigerumHance native to the United States?


Is CabombacarolinianaA. Gray native to the United States?


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

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


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


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


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


Where can I view images of council tree?


Is this plant invasive to the United States?


What is the growth habit of DrabavernaL.?


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


What is the scientific name of damask rose?

Rosax damascenaP. Mill. [gallica × moschata]


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


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


Describe the fruit of Scheffleraactinophylla(Endl.) H.A.T. Harms?

Fruits are round, dark purple, and 0.25 in. (7 mm) in diameter.


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


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


What is the scientific name of meadow campion?


Where can I view images of false spiraea?


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


Describe the appearance of largeleaf lantana?

Lantana camarais a perennial shrub that can grow from 6-15 ft. (1.8-4.6 m).


Describe the appearance of common st. johnswort?

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


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


What is the growth habit of MyriophyllumspicatumL.?


Where can I view images of TanacetumvulgareL.?


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


Where can I view images of AsparagusaethiopicusL.?


Is autumn olive native to the United States?


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 scientific name of largeleaf lantana?


Is this plant invasive to the United States?


Describe the fruit of LoniceratataricaL.?

The abundant paired berries are 0.25 in. (0.6 cm) in diameter, ripen to an orange to red color and often persist throughout winter.


Where can I view images of narrowleaf bittercress?


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


Where can I view images of Cayratiajaponica(Thunb.) Gagnepain?


Where can I view images of american black nightshade?


What is the growth habit of black bamboo?


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


What is the common name of EuphorbiapeplusL.?


What is the common name of CorispermumnitidumKit. ex J.A. Schultes?


Describe the flowers of canary island st. johnswort?

Flowers are orange-yellow in color and 0.6 in. (1.5 cm) across with 5 sepals, 3 stigmas, 5 petals, and several anthers. Flowering occurs from April to June.


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


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


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


Where can I view images of european cranberrybush?


What is the common name of MatricariadiscoideaDC.?


Flowers are axillary or terminal cymes, with individual flowers yellow, disk corollas 0.16-0.2 in. (4-5 mm) long arranged in clusters.


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


What is the common name of Centaureastoebessp. micranthos(Gugler) Hayek?


What is the growth habit of Murdanniakeisak(Hassk.) Hand.-Maz.?


Is this plant invasive to the United States?


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


Where can I view images of ErigeroncanadensisL.?


What is the common name of Wisteriasinensis(Sims) DC.?


What is the growth habit of tall buttercup?


What is the growth habit of CotulacoronopifoliaL.?


Does kentucky bluegrass pose any ecological threat?

Poa pratensisgrows in lawns, roadsides and ditches. It is native to Europe, Asia, North America, and northern Africa.


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


Where can I view images of PoapratensisL.?


Describe the foliage of ArdisiaellipticaThunb?

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


What is the U.S. Department of Agriculture (USDA) plant symbol for Nymphoidescristata(Roxb.) O. Ktze.?


Describe the fruit of GeraniumlucidumL.?

The seeds are small and rapidly transported to un-infested areas on boots, vehicles, and by wildlife.


What is the growth habit of Froelichiagracilis(Hook.) Moq.?


Is russian knapweed native to the United States?


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


What is the common name of SyringavulgarisL.?


Where can I view images of common pokeweed?


Is peruvian peppertree native to the United States?


Is bluebuttons, field scabious native to the United States?


Is Glebioniscoronaria(L.) Tzvelev native to the United States?


Is winter creeper native to the United States?


Describe the fruit of round leaf bittersweet?

The small globose fruits are green when young; ripen to yellow; then split to reveal showy, scarlet berries that persist into winter.


Is this plant invasive to the United States?


Is Wisteriafloribunda(Willd.) DC. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Typhax glaucaGodr. [angustifolia x latifolia]?


What is the growth habit of pacific bentgrass?


Describe the fruit of ValerianaofficinalisL.?

The fruit are small and lanceolate-oblong in shape, measuring 0.1-0.2 in.(3-5 mm) long. Seeds are wind dispersed.


Does CardamineimpatiensL. pose any ecological threat?

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


Describe the appearance of yellow floating heart?

Nymphoides peltatais an herbaceous, perennial, aquatic plant that has stout, branching stems up to 0.1 in. (2-3 mm) thick. It is often found rooted in the mud of still bodies of water.


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


Describe the flowers of coco yam, wild taro?

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


Describe the foliage of large gray willow?

The leaves are shiny on the upper surface, with soft grey hairs on the underside. The leaves are usually obovate or broadly oblanceolate, 0.8-3.5 in (2-9 cm) long by 0.4-1.2 in (1-3 cm) wide.


Describe the foliage of OnopordumacanthiumL.?

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


What is the scientific name of pomegranate?


What is the common name of Achyranthesjaponica(Miq.) Nakai?


What is the growth habit of LigustrumovalifoliumHassk.?


What is the common name of CentaureacyanusL.?


What is the common name of Pentaglottissempervirens(L.) Tausch ex L.H. Bailey?


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


Is Ventenatadubia(Leers) Coss. & Durieu native to the United States?


Describe the flowers of UlmusparvifoliaJacq.?

The small, tight green inflorescence arises from the leaf axil. It blooms from August through September.


What is the common name of Lygodiumjaponicum(Thunb. ex Murr.) Sw.?


Is ScillasibericaHaw. native to the United States?


What is the growth habit of shoebutton ardisia?


Is this plant invasive to the United States?


What is the growth habit of PinusradiataD. Don?


What is the common name of PassiflorafoetidaL.?


What is the growth habit of Cordylineaustralis(G. Forst.) Endl.?


What is the scientific name of hairy vetch?


Where can I view images of japanese flowering crabapple?


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

Category 2 (Alabama), Invasive (Delaware), Invasive (North Carolina), Prohibited (New York)


What is the growth habit of GypsophilapaniculataL.?


Does skunk-vine pose any ecological threat?

Paederia foetidahas the potential to invade a large variety of disturbed and high quality habitats. Currently, it is widespread in Florida and in small areas of other southeastern states and Hawaii. Trailing infestations can completely cover and kill low-growing plants and small shrubs. Climbing infestations can strangle even large trees and restrict light availability to species below.Paederia foetidais native to Asia and was first introduced into the United States before 1897 as a potential fiber plant.


Describe the fruit of HyoscyamusnigerL.?

Seeds are small and black. Prolific seed production increases the spread of this plant, as a single plant can produce up to half a million seeds.


Is asian nakedwood native to the United States?


Does UlmuspumilaL. pose any ecological threat?

Ulmus pumilainvades pastures, road-sides and prairies throughout the Midwest and Great Plains regions of the United States. The trees are very drought and cold resistant allowing it to grow in areas where other trees cannot. The abundant, wind-dispersed seeds allow this plant to spread rapidly. It forms dense thickets that close open areas and displace native vegetation, thereby reducing forage for wild animals and livestock.Ulmus pumilais native to northern Asia and was first introduced into North America in the 1860s. It has been planted throughout the Midwest and Great Plains for windbreaks and lumber.


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


What is the scientific name of wall lettuce?


What is the growth habit of Rorippaamphibia(L.) Besser?


Where can I view images of common cordgrass?


Where can I view images of PhormiumtenaxJ.R. & G. Forst.?


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


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


Where can I view images of AvenabarbataPott ex Link?


What is the growth habit of GeraniumthunbergiiSieb. & Zucc. ex Lindl. & Paxton?


Does ElaeagnuspungensThunb. pose any ecological threat?

Elaeagnus pungensclosely resembles two other exotic olives, autumn olive and Russian olive. A high shade tolerance allowsElaeagnus pungensto invade both in open areas and under forest canopies. The seeds are dispersed by animals, giving this plant the potential for rapid spread. This plant is native to eastern Asia and was first introduced into the United States in 1830 as an ornamental.


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


Is this plant invasive to the United States?


What is the growth habit of CrupinavulgarisCass.?


Is Elymusrepens(L.) Gould native to the United States?


Does common buckthorn, european buckthorn pose any ecological threat?

Rhamnus catharticainvades forests, prairies, and savannas in the Midwestern United States and can form dense thickets crowding out native shrubs and understory plants. It is difficult to remove and can regenerate after cutting or burning. It is a native of Europe and was introduced into the United States as an ornamental shrub.


What is the common name of ClerodendrumbungeiSteud.?


What is the growth habit of wayside speedwell?


What is the common name of HordeumjubatumL.?


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


Is african asparagus fern native to the United States?


Describe the foliage of LigustrumvulgareL.?

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


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


Is bush vetch native to the United States?


Is whorled pennywort native to the United States?


Where can I view images of Persicariaperfoliata(L.) H. Gross?


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


What is the common name of MalvaviscuspenduliflorusDC.?


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


Describe the flowers of perennial veldtgrass?

Flowers are in clusters 4-6 in. (10.2-15.2 cm) long, and yellow to purple in color. Blooming period occurs in spring.


What is the common name of HieraciumlachenaliiK.C. Gmel.?


Is this plant invasive to the United States?


Flowering occurs in late summer to early fall, when plants are most easily recognized because of the large, dense flower plumes that develop at the tops of the culms. The plums can grow up to 3 ft. (0.9 m) in length.


Is HelianthusciliarisDC. native to the United States?


Where can I view images of woodland groundsel?


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


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


What is the growth habit of PanicumantidotaleRetz.?


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


Does Nymphoidescristata(Roxb.) O. Ktze. pose any ecological threat?

Nymphoides cristatawas first introduced to the U.S. as a water garden plant. Fragments of the plant are spread by wind, flowing water, boats, and trailers. Infestations ofNymphoides cristatawere first observed in cypress swamps and water management canals in southeast Florida in the late 1990s. Within a few years, large canals and suburban lakes in the central and eastern parts of the state had become infested. There is serious concern about this plant because herbicides that control other floating and emergent invasive plants have had little effect on it. Similar natives are Big Floating Heart (N. aquatica), Little Floating Heart (N. cordata), and Water Snowflake (N. indica).Nymphoides cristatais still being sold in the water garden trade.


Is Viciatetrasperma(L.) Schreb. native to the United States?


Is TyphaangustifoliaL. native to the United States?


Describe the appearance of OrobancheminorSmith?

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


What is the scientific name of chinese tallowtree?


What is the common name of Veronicaofficinalisvar. officinalisL.?


What is the growth habit of annual sowthistle?


Is meadow salsify native to the United States?


Where can I view images of MatricariadiscoideaDC.?


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

Potentially Invasive, Prohibited (Connecticut)


What is the growth habit of HedychiumcoronariumKoenig?


Is this plant invasive to the United States?


What is the growth habit of tungoil tree?


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


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


What is the common name of SaginaprocumbensL.?


Is StellariagramineaL. native to the United States?


What is the scientific name of common cattail?


Flowers are apetalous (without petals), pediculate with 5-parted calyx and many branching stamens and yellow anthers. Blooming occurs from August to November.


Where can I view images of SolanumcarolinenseL.?


Describe the appearance of octopus tree?

Schefflera actinophyllacan grow to 40 ft. (12.2 m) tall. Stems can be single or multi-stemmed.


What is the scientific name of castor aralia?


Where can I view images of canadian horseweed?


Describe the fruit of AegilopsgeniculataRoth?

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.


Is babysbreath native to the United States?


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


What is the scientific name of broadleaf plantain?


Does Ailanthusaltissima(P. Mill.) Swingle pose any ecological threat?

Ailanthus altissimaforms dense, clonal thickets which displace native species and can rapidly invade fields, meadows, and harvested forests. This invasive tree species is extremely tolerant of poor soil conditions and can even grow in cement cracks.Ailanthus altissimais not shade tolerant, but easily invades disturbed forests or forest edges causing habitat damage. Introduced as an ornamental, it was widely planted in cities because of its ability to grow in poor conditions. Management and control efforts for this species continue across the United States at great economic cost.


What is the scientific name of california satintail?


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


Is this plant invasive to the United States?

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


Does GlossostigmacleistanthumW.R. Barker pose any ecological threat?

G. cleistanthumhas a very fast rate of growth, and will probably survive cold winters. It is often found in densities of 10,000-25,000 plants per square meter.G. cleistanthumwas introduced to the US as an aquarium plant, and later released into natural environments. It could be easily spread by waterfowl. Unlike many other wetland or aquatic invasive plants, mudmat has been shown to be able to invade undisturbed, natural environments. It has been reported in Connecticut, Rhode Island, Pennsylvania and New Jersey.


What is the growth habit of big chickweed?


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


What is the growth habit of PolygonumposumbuBuch.-Ham. ex D. Don?


Is SolanumviarumDunal native to the United States?


Is Paraseriantheslophantha(Willd.) I. Nielsen native to the United States?


Is tropical needlegrass native to the United States?


Where can I view images of AcaciabaileyanaF. Muell.?


The flowers give way to swollen seed pods that contain thousands of microscopic seeds per pod.


What is the common name of Dysphaniaambrosioides(L.) Mosyakin & Clemants?


Leaves are less than 0.13 in. (0.32 cm) wide. One or more stems arise from the base of the plant and can be as much as 2 ft. (0.6 m) tall. Each stem produces a single, short, spike-type seed head.


What is the growth habit of SpathoglottisplicataBlume?


What is the growth habit of AnagallisarvensisL.?


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


Does AegilopscylindricaHost pose any ecological threat?

Aegilops cylindricais native to southern Europe and western Asia. This species is known to hybridize with wheat.


Is Nassellatenuissima(Trin.) Barkworth native to the United States?


Where can I view images of catchweed bedstraw?


Is ResedaalbaL. native to the United States?


Describe the foliage of Anthriscussylvestris(L.) Hoffmann?

The plant has alternately arranged, compound, fern-like leaves. Each segment of the leaf can measure 0.5-2 in. (1.5-5 cm) in length.


What is the scientific name of chilean gunnera?


Where can I view images of VitextrifoliaL.?


What is the scientific name of cuming's lovegrass?


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


Is this plant invasive to the United States?


Does yellow toadflax pose any ecological threat?

Linaria vulgarisoccurs in fields, pastures, roadsides, undisturbed prairies and rangelands. It is native to Europe and was introduced into North America, as an ornamental, in the mid 1600s.


What is the scientific name of hairy nightshade?


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


Where can I view images of bohemian knotweed, hybrid japanese knotweed?


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


What is the growth habit of japanese pachysandra?


What is the growth habit of Achyranthesjaponica(Miq.) Nakai?


Is Nicandraphysalodes(L.) Gaertn. native to the United States?


Is CarexlongiiMackenzie native to the United States?


Morus albais a small, 30-50 ft. (9.1-15.2 m) tall, deciduous tree that invades disturbed areas throughout the United States.


Is dyer's woad native to the United States?


Describe the appearance of princesstree?

Paulownia tomentosais a medium sized tree (50-60 ft. [15.2-18.3 m] in height and 2 ft. [0.6 m] in diameter) that can commonly be mistaken for the native tree northern catalpa (Catalpa speciosa). Bark is gray-brown and rough, often developing lighter-colored shallow vertical fissures.


Is giant chickweed native to the United States?


Describe the flowers of Glyceriamaxima(Hartman) Holmb.?

Flowering occurs from June through August, when flowers appear in 6-12 in. (15-30 cm) long open panicles. The panicle branches have short, stiff hairs like those on the leaf margins.


What is the growth habit of CarthamuslanatusL.?


Describe the foliage of largeleaf lantana?

Leaves are ovate and opposite along the square stem. Stems and leaves emit an unpleasant “spicy” smell when crushed.


Where can I view images of common hempnettle?


Is DesmodiumincanumDC. native to the United States?


Where can I view images of Typhax glaucaGodr. [angustifolia x latifolia]?


Describe the flowers of Hydrocharismorsus-ranaeL.?

It has a single white flower approximately 0.6 in. (1.5 cm) in diameter with three rounded petals and a yellow center.


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


Is this plant invasive to the United States?


What is the scientific name of rock dandelion?


Is fountain palm native to the United States?


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


Is CitharexylumcaudatumL. native to the United States?


What is the common name of PeganumharmalaL.?


What is the growth habit of Menthax gracilisSole (pro sp.) [arvensis × spicata]?


Striga asiaticaflowers are small, less than 0.5 in. (1.3 cm) in diameter, occur in or on loose spikes, and can vary greatly in color from white to yellow, red, or purple.


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

Flowers appear in June to September. Two flower types are present; larger flowers that are 0.08-0.12 in. (2-3 mm) wide with 5 light yellow or greenish-yellow sepals, and smaller flowers with tooth-like sepals. Neither of these flower types have petals, but they both have 2-5 stamens and 2 stigmas.


Stems and leaves are covered with stiff, irritating hairs. Stems can reach a height of 1-10 ft. (0.3-3 m). Leaf blades are 5.9-17.7 in. (15-45 cm) long, 0.2-0.8 in. (5-20 mm) wide and flat.


Is forest redgum native to the United States?


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


Is PersicariawallichiiGreuter & Burdet native to the United States?


What is the common name of GenistatinctoriaL.?


Is AlopecuruspratensisLinnaeus native to the United States?


What is the growth habit of ZanthoxylumamericanumP. Mill.?


Is ChlorisbarbataSw. native to the United States?


Where can I view images of rattlesnake brome?


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


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


Describe the appearance of norway maple?

Acer platanoidesis a tree that usually grows to 40-60 ft. (12-18 m) in height, but can reach heights of 100 ft. (30 m). The bark of the tree is grayish and regularly and shallowly grooved.


Where can I view images of BuddlejalindleyanaFortune ex Lindl.?


Is this plant invasive to the United States?

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


What is the common name of PassifloralaurifoliaL.?


What is the growth habit of ClematisternifloraDC?


Is Hemerocallisfulva(L.) L. native to the United States?


Describe the flowers of oriental virginsbower?

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


What is the scientific name of european stinging nettle?


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


Is AdiantumraddianumK. Presl native to the United States?


What is the common name of PistiastratiotesL.?


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


What is the growth habit of CentaureaL.?


What is the common name of Rumexcrispusssp. crispusL.?


What is the common name of SonchusoleraceusL.?


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


What is the growth habit of illyrian cottonthistle?


Describe the appearance of SpartinaanglicaC.E. Hubbard?

Spartina anglicais a perennial rhizomatous grass that can grow from 11.8-51.2 in. (30-130 cm) tall.


What is the common name of Rorippaaustriaca(Crantz) Bess.?


What is the growth habit of RubuslaciniatusWilld.?


What is the growth habit of Cupheacarthagenensis(Jacq.) J.F. Macbr.?


Is this plant invasive to the United States?


Is DaphnemezereumL. native to the United States?


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


What is the growth habit of AlliumvinealeL.?


The seeds are brown, light weight, and about 0.3 in. (8 mm) long. In the fall the plant turns brown, and the inflorescences persist throughout the winter.


What is the common name of BromusinermisLeyss.?


Is jaraguagrass native to the United States?


What is the growth habit of tall lettuce?


What is the common name of AcerpalmatumThunb.?


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


What is the scientific name of shrubby false buttonweed?


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


Where can I view images of blue panicum?


Is TrifoliumhirtumAll. native to the United States?


What is the growth habit of GlauciumflavumCrantz?


Where can I view images of mile-a-minute?


What is the growth habit of squarrose knapweed?


What is the growth habit of lesser swinecress?


Where can I view images of ManihotesculentaCrantz?


Is this plant invasive to the United States?


What is the common name of Pittosporumpentandrum(Blanco) Merr.?


Is HederacanariensisWilld. native to the United States?


What is the common name of RubusmacrophyllusWeihe & Nees?


Describe the foliage of ClematisorientalisL.?

Leaves ofC. orientalisarranged opposite on the stem. Leaves are divided with from three to seven leaflets. Leaflets are lanceolate to elliptic to ovate usually with two to three lobes.


Is goat willow native to the United States?


Does CentaureavirgataLam. pose any ecological threat?

Occurs in open disturbed sites, such as rangelands, roadsides, and grasslands.Centaurea virgatais native to the Mediterranean region.


Is Arthraxonhispidusvar. hispidus(Thunb.) Makino native to the United States?


Does MiconiacalvescensDC. pose any ecological threat?

Miconia calvescenscan be found in coastland, natural or planted forests, wetlands and disturbed areas. It is native to Central and Southern America.


Is FicusmicrocarpaL. f. native to the United States?


Fruit produced on female plants are tan to reddish, single winged and can be wind or water-dispersed.


Is TrifoliumsubterraneumL. native to the United States?


What is the growth habit of SolanumphysalifoliumRusby?


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

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


What is the common name of AcaciadealbataLink?


Does NardusstrictaL. pose any ecological threat?

Nardus strictais a non-native grass with the potential to out-compete desirable grasses in intensively grazed areas. Because it is not favored by grazing animals, matgrass has a competitive edge. It reproduces mostly through transport of tufts in mud clinging to the hooves of grazing animals. It is difficult to eliminate because of the difficulty locating it in mixed grass stands. Untreated plants develop seeds and perpetuate infestations for decades. It occurs in damp areas near swamps, estuaries and watercourses. It is native to eastern Europe.


What is the growth habit of lesser celandine, fig buttercup?


Where can I view images of narrow-leaved cattail?


What is the common name of Kerriajaponica(L.) DC.?


What is the common name of Clerodendrumindicum(L.) Kuntze?


Is Urochloamutica(Forsk.) T.Q. Nguyen native to the United States?


Is Oxalispes-capraeL. native to the United States?


Is this plant invasive to the United States?


Describe the appearance of japanese angelica tree?

Aralia elatais a deciduous thicket forming tree or shrub, up to 40 ft. tall with an irregular form. It has a spreading habit and can be multi or single stemmed. The bark is covered in sharp thorns.


Where can I view images of PhleumpratenseL.?


Where can I view images of CyperusiriaL.?


What is the common name of ElaeagnusumbellataThunb.?


What is the scientific name of musk thistle, nodding thistle?


Is false spiraea native to the United States?


Is RumexstenophyllusLedeb. native to the United States?


Where can I view images of shining geranium?


What is the scientific name of tropical nutrush?


What is the common name of Rytidospermacaespitosum(Gaudich.) Connor & Edgar?


Does floating bladderwort pose any ecological threat?

U. inflatacan be found floating freely in shallow water or loosely attached to the sediment. It is native to Southeastern U.S., along the eastern coast, and in Washington.


Describe the appearance of LotuscorniculatusL.?

Lotus corniculatusis an invasive low-growing, perennial forb with stems that can reach 2 ft. (0.6 m) long.


Is Citrusx sinensis(L.) Osbeck (pro sp.) [maxima × reticulata] native to the United States?


What is the growth habit of PinusjeffreyiGrev. & Balf.?


Is Epipactishelleborine(L.) Crantz native to the United States?


The fetid smelling leaves are alternate, simple, toothed, up to 8 in. (20 cm) long and 6 in. (15 cm) wide. In the early season (annual), or first year of growth (biennial) the plant is represented by a rosette.


Is fuzzy pride-of-rochester native to the United States?


Describe the flowers of rush skeletonweed?

Flowers are small and yellow and develop in the mid-summer to fall. Mature, healthy plants can produce 1,500 flower heads and up to 20,000 seeds. Flowers bloom from July to September.


What is the common name of GypsophilapaniculataL.?


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


What is the common name of Loliumspp.L.?


Is CaraganaarborescensLam. 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 U.S. Department of Agriculture (USDA) plant symbol for Leontodontaraxacoidesssp. taraxacoidesL.?


What is the common name of AmaranthusspinosusL?


What is the common name of Cenchruspolystachios(L.) Morrone?


Leaves are alternate, dark green, waxy, somewhat leathery; extremely variable leaf forms, from unlobed to 3-5 lobed; typically green with whitish veins.


What is the common name of ChamaedoreaseifriziiBurret?


What is the growth habit of Polypogonviridis(Gouan) Breistr.?


What is the growth habit of peacocksplume?


Where can I view images of cutleaf evening-primrose?


What is the common name of Rytidospermabiannulare(Zotov) Connor & Edgar?


Is purple beautyberry native to the United States?


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


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

Invasive (IPC) (Missouri), Invasive (North Carolina), Prohibited (Wisconsin), Tier 2 (Maryland)


What is the scientific name of bear's breech?


Where can I view images of ClematisternifloraDC?


Is japanese holly native to the United States?


What is the invasive/noxious status of true forget-me-not and where is it classified as such?

Invasive, Prohibited (Connecticut), Restricted (Wisconsin)


Is RosaspinosissimaL. native to the United States?


Is this plant invasive to the United States?


Is GenistalinifoliaL. native to the United States?


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


What is the scientific name of dwarf eelgrass?


Where can I view images of Syzygiumcumini(L.) Skeels?


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


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


What is the growth habit of Chamaecyparislawsoniana(A. Murr.) Parl.?


Describe the fruit of cultivated knotweed?

Seeds are dark brown in color, ovoid, 3 angled, smooth, and 0.04-0.08 in. (1-2 mm) long. They are transported mostly by water and wind.


What is the common name of Populusx canescens(Ait.) Sm. (pro sp.) [alba × tremula]?


Where can I view images of five-leaf aralia?


What is the growth habit of AmbrosiatrifidaL.?


What is the growth habit of PassifloratarminianaCoppens & V. E. Barney?


Describe the flowers of DipsacusfullonumL.?

The erect flower stems reach 6 ft. (1.8 m) in height and support spiny flower heads that are covered with small, lavender to white flowers in April to September.


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


Is Ampelopsisglandulosavar. brevipedunculata(Maxim.) Momiy. native to the United States?


Describe the flowers of AcerpalmatumThunb.?

The small reddish purple flowers are carried in umbels.Acer palmatumblooms from April-June depending on the location. The flowers are beautiful close up, but are not usually very noticeable from a distance. Flowers are followed by winged fruit.


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


Describe the foliage of broadleaf plantain?

Smooth or slightly hairy, oval to elliptic, with a waxy surface and veins that are parallel to the margins. Margins are un-toothed and sometimes wavy.


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


Where can I view images of FallopiaconvolvulusL.?


Describe the appearance of Torilisjaponica(Houtt.) DC.?

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


What is the U.S. Department of Agriculture (USDA) plant symbol for rat-tail grass?


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


Where can I view images of SisymbriumaltissimumL.?


Is this plant invasive to the United States?


Describe the flowers of Rhaponticumrepens(L.) Hidalgo?

In summer to fallRhaponticum repensproduces flowers that are pink to purple and turn straw colored as they mature. The flower heads are approximately 0.5 in (1.2 cm) in diameter and urn shaped.


What is the growth habit of CardamineimpatiensL.?


Is Fagopyrumtataricum(L.) Gaertn native to the United States?


Where can I view images of PolygonumargyrocoleonSteud. Ex Kunze?


What is the growth habit of european beachgrass?


What is the common name of Arctothecaprostrata(Salisb.) Britten?


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


Allium vinealeis a perennial plant that originates from a bulb. Plants range from 11-35 in. (30-90 cm) in height.


What is the common name of SisymbriumaltissimumL.?


Where can I view images of PinussylvestrisL.?


What is the scientific name of smooth cat's ear?


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


Where can I view images of intermediate wheatgrass?


What is the common name of LepidiumlatifoliumL.?


Describe the foliage of BerberisthunbergiiDC.?

The leaves are up to 1 in. (24 mm) long and paddle-shaped.


What is the scientific name of european blackberry?


Describe the fruit of PhyllostachysaureosulcataMcClure?

Although it rarely flowers or produce viable seed, it reproduces and spreads very quickly via underground rhizomes.


Is PavoniahastataCav. native to the United States?


Does Silybummarianum(L.) Gaertn. pose any ecological threat?

S. marianuminvades roadsides, ditches, disturbed areas and fertile fields. It is native to the Mediterranean region.S. marianumcan be poisonous to livestock, especially during periods of wilt from drought, mowing or herbicide treatment.


Is round leaf bittersweet native to the United States?


Does LonicerajaponicaThunb. pose any ecological threat?

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


What is the growth habit of CruciatalaevipesOpiz?


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


Is foxtail barley native to the United States?


What is the growth habit of cheatgrass, downy brome?


What is the growth habit of shining geranium?


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 cutleaf teasel?


What is the U.S. Department of Agriculture (USDA) plant symbol for PraxelisclematideaR.M. King & H. Rob.?


Where can I view images of brazilian satintail?


Describe the fruit of Kummerowiastriata(Thunb.) Schindl.?

Fruits are 0.2 in. (4 mm) long legumes and each contain a single seed.


Describe the flowers of sweet autumn virginsbower?

White, fragrant, four-petaled flowers appear in the late summer through the fall.


Describe the foliage of NicotianaglaucaGraham?

Leaves are alternate, bluish to gray green in color, 1-4 in. (2.5-10.2 cm) long, pointed, and elliptic to oval shaped.


What is the growth habit of panicled hydrangea?


Is GeumurbanumL. native to the United States?


What is the common name of LonicerafragrantissimaLindl. & Paxton?


What is the scientific name of yellow daylily?


Is AgrostisgiganteaRoth native to the United States?


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


What is the U.S. Department of Agriculture (USDA) plant symbol for Bromusinermisssp. inermis var. inermisLeyss.?


Where can I view images of cabbage tree?


What is the scientific name of black wattle?


Where can I view images of orange cotoneaster?


Is gingerbush native to the United States?


Is this plant invasive to the United States?


What is the growth habit of narrow swordfern?


Is Perillafrutescens(L.) Britton native to the United States?


Is swordfern native to the United States?


What is the growth habit of amphibious yellowcress?


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


Where can I view images of corn buttercup?


What is the scientific name of dotted duckmeat?

Landoltiapunctata(G.F.W. Mey.) D.H. Les & D.J. Crawford


What is the growth habit of ConvolvulusarvensisL.?


Describe the foliage of spotted knapweed?

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


Fruits are 0.19-0.31 in. (4.8-7.9 mm) in diameter including the wings. Wings are opaque with smooth margins and veins.


What is the scientific name of catclaw-vine?


Is doublefile viburnum native to the United States?


What is the scientific name of apple-mint?

Menthax villosaHuds. (pro sp.) [spicata × suaveolens]


Describe the foliage of Arthraxonhispidus(Thunb.) Makino?

Leaves are 1-3 in. (2.5-7.6 cm) long, 0.2 in. (0.5 cm) wide and have heart shaped bases. The margins of the leaves have conspicuous hairs.


Describe the foliage of LythrumvirgatumL.?

Purple loosestrife leaves are 2-5 in. (5-12 cm) long and narrow with a rounded or heart-shaped base, and smooth-edged. The stalkless leaves are arranged opposite or sometimes alternate along the stem. The lower leaves often form a whorl around the stem.


What is the growth habit of TragopogonlamotteiL.?


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


What is the common name of Neyraudiareynaudiana(Kunth) Keng ex A.S. Hitchc.?


Describe the flowers of malta starthistle?

Flowers are yellow, 0.5 in. (1.3 cm) across, and surrounded by sharp, tan, 0.5 in. (1.3 cm) long, spiny cobwebbed bracts. Blooming occurs from April to September.


What is the U.S. Department of Agriculture (USDA) plant symbol for Salixx sepulcralisSimonkai [alba × babylonica]?


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


What is the scientific name of european water-clover?


What is the growth habit of field madder?


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


Is greater celandine native to the United States?


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


Is Hyparrheniahirta(L.) Stapf native to the United States?


Is hairy willowherb native to the United States?


Is this plant invasive to the United States?


What is the invasive/noxious status of creeping yellow loosestrife, creeping jenny and where is it classified as such?

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


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


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


Where can I view images of EuphorbiacyparissiasL.?


Describe the fruit of PinusthunbergiiParl.?

Seed cones are either solitary or held 2-3 together. They are about 1.6-2.4 x 1.2-1.6 in (4-6 × 3-4 cm) long by wide and deciduous. The seeds are obovoid to ellipsoid in shape.


Describe the foliage of tatarian honeysuckle?

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


Describe the appearance of Mycelismuralis(L.) Dumort.?

Mycelis muralisis a slender, glabrous, herbaceous plant. It is annual to biennial depending on the habitat. Stems are erect, 2-3 ft. (0.6-0.9 m) tall, branched above and may one or more stems from a fibrous root. The stem surface is glabrous, often glaucous, and exudes milky juice when broken.


What is the scientific name of yellow floating heart?


Is LeptospermumscopariumJ.R. & G. Forst. native to the United States?


What is the growth habit of VincamajorL.?


Is coco yam, wild taro native to the United States?


What is the scientific name of jersey cudweed?

Pseudognaphaliumluteoalbum(L.) Hilliard & Burtt


What is the scientific name of umbrella plant?


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


What is the growth habit of CallicarpajaponicaThunb.?


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


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


Glossostigma cleistanthumis a small, mat-forming plant of shallow water or wet silt and mud of lakes and rivers, including fresh-tidal reaches. The horizontal stems grow just below the surface of the soil, rooting at the nodes. It is native to the Eastern hemisphere, including New Zealand.


Leaves are small, scale-like, gray-green in color, and overlap along the stem.


Where can I view images of spiny plumeless thistle?


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 swordfern?


What is the scientific name of french tamarisk?


Is common goldenthistle native to the United States?


What is the scientific name of himalayan blackberry?


Describe the foliage of mile-a-minute vine, asiatic tearthumb?

The alternate leaves are triangular, light green, 1-3 in. (2.5-7.6 cm) wide and barbed on the undersurface.


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


Is Lamiumpurpureumvar. purpureumL. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Arrhenatherumelatius(L.) Beauv. ex J.& K. Presl?


What is the common name of ChrysophyllumoliviformeL.?


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


Is texas blueweed native to the United States?


Describe the foliage of european cranberrybush?

The leaves have three pointed lobes and are coarsely toothed; 2-4 in. (5-10 cm) long. The leaf stalk has two glands at the base of the leaf.


Is TamarixgallicaL. native to the United States?


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


Describe the appearance of blessed milkthistle?

Silybum marianumis an annual or biennial herb that ranges from 2-6 ft. (0.6-1.8 m) in height.


Where can I view images of StachysfloridanaShuttlw. ex Benth.?


Is silverleaf cotoneaster native to the United States?


What is the growth habit of ConiummaculatumL.?


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


What is the growth habit of mexican tulip poppy?


Is this plant invasive to the United States?


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


The plant bolts in the second year. Flowering occurs in June to August, when five-petaled, yellow flowers develop at the apex of the shoot. Plants die after flowering.


Describe the appearance of miramar weed?

Hygrophila polyspermamay be annual or perennial depending on location. The four angled stems grow from 4-8 in. (10-20 cm) tall and are often prostrate. Stems are slightly swollen above the nodes. It is native to temperate and tropical Asia, which includes China and India. It is cultivated in some areas.


What is the scientific name of bladder campion?


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

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


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


Describe the foliage of ErigeroncanadensisL.?

The alternate leaves are elliptic, narrowly lanceolate, or narrowly oblanceolate, 0.8-3.1 in (2-8 cm) long and 0.08-0.31 in (2-8 mm) wide, with ciliate-serrate leaf margins. The leaves are sessile or almost sessile and are spaced closly together along the stem, appearing almost whorled.


What is the scientific name of lepyrodiclis?

Lepyrodiclisholosteoides(C.A. Mey.) Fenzl ex Fisch. & C.A. Mey.


What is the growth habit of douglas-fir?


Is Ranunculusflammulavar. filiformis(Michx.) Hook. native to the United States?


Describe the foliage of SolanumtampicenseDunal?

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


Describe the flowers of AnthemiscotulaL?

Flowers ofA. cotulaare held at the end of branches and are approximately 0.66 in. - 1.33 in. (1.68 - 3.38 cm) in diameter. Ray flowers are white with three distinct teeth and disk flowers are yellow.


What is the growth habit of asian nakedwood?


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


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


Is chinese yam native to the United States?


What is the common name of Plucheacarolinensis(Jacq.) G. Don?


Is this plant invasive to the United States?


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


Describe the flowers of CyperusentrerianusBoeckl.?

The terminal inflorescence has 5-11 elongate rays ending in densely clustered, globose, greenish-white spikelets. The stem is distinctly three sided.


Petroselinumcrispum(P. Mill.) Nyman ex A.W. Hill


Does Lonicerax bellaZabel [morrowii × tatarica] pose any ecological threat?

Lonicera x bellais adaptable to a wide variety of habitats ranging from open forests to fields and roadsides. Tolerant of wide range of moisture and light conditions. This plant occurs along forest edges, roadsides, old fields, disturbed sites, utility right-of-ways, and vacant or abandoned lots. It is native to Asia


What is the common name of LantanastrigocamaraR. W. Sanders?


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


Is queensland maple native to the United States?


What is the scientific name of iberian starthistle?


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


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


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


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


Where can I view images of catclaw-vine?


What is the scientific name of glossy shower?

Sennasurattensis(Burm. f.) Irwin & Barneby


What is the scientific name of chinese yam?


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


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


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


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


What is the growth habit of Undariapinnatifida(Harvey) Suringar?


Is low cudweed native to the United States?


Describe the foliage of LepidiumlatifoliumL.?

Rosette leaves are long petiolate. Cauline (stem) leaves are alternate, 1-3 in. (2.5-7.6 cm) long and oblong.


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 cutleaf blackberry?

Leaves are palmately compound and alternate with five serrate, lobed, serrate leaflets. Stems are covered in broad, curved thorns that are red at the base and yellow at the tip. The leaves are a good identifying characteristic for this species.


The alternate leaves are compound with three heart-shaped, toothed leaflets. The undersides of the leaflets are silvery-white and very hairy.


Where can I view images of CerastiumfontanumBaumg.?


What is the growth habit of EuphorbiacyparissiasL.?


Describe the appearance of scotch thistle?

Onopordum acanthiumis an herbaceous biennial plant that can grow up to about 6.5 ft. (2 m) in height. The plant is coarse, many-spined and is highly branched. The stems ofO. acanthiumare winged. The whole plant is densely tomentose, giving it a bluish-white appearance.


Is EucalyptuspolyanthemosSchauer native to the United States?


Is SisymbriumorientaleL. native to the United States?


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


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


What is the scientific name of rose campion?


Is HunnemanniafumariifoliaSweet native to the United States?


Is HedychiumflavescensCarey ex Roscoe native to the United States?


Describe the flowers of DioscoreapolystachyaTurcz.?

The staminate plants may produce small, white flowers annually.


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


What is the growth habit of CastillejaarvensisCham. & Schlecht?


Describe the fruit of carolina fanwort, fanwort?


What is the scientific name of russian olive?


Is this plant invasive to the United States?


What is the growth habit of AsclepiasspeciosaTorr?


Where can I view images of SonchusarvensisL.?


Leaves are long, flat and grow up to 1.5 ft. (0.5 m) long. They can be green or have variegated green and white stripes the length of the blade.


Describe the flowers of SaccharumravennaeL.?

Flowers are feathery, fan-shaped, terminal panicles. They are silvery to pink in color and up to 2 ft. (0.6 m) long. Flowering occurs September through October.


Fruit and seeds begin ripening in early summer. Seeds are very small and brown in color.Agrostis giganteagrows rapidly after seeding.


Describe the appearance of LigustrumsinenseLour.?

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.


Is RaphanussativusL. native to the United States?


What is the growth habit of bay biscayne creeping-oxeye?


What is the common name of LigustrumamurenseCarrière?


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


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


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


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


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


What is the common name of EucalyptuspolyanthemosSchauer?


What is the growth habit of japanese spiraea?


Is LoliumperenneL. native to the United States?


Leaves are opposite, ovate to lanceolate, 3-6 in. (5-15.2 cm) long and 2-4 in. (5-10.2 cm) wide.


Is african mustard native to the United States?


Is TussilagofarfaraL. native to the United States?


What is the scientific name of common buckthorn, european buckthorn?


What is the growth habit of rabbitfoot clover?


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


Fruits consist of dark-blue berries that can be 0.3 in. (0.8 cm) in diameter when fully ripe. When crushed, the berries contain a viscous fluid and emit a very bad odor.


Is mother-of-thyme native to the United States?


What is the scientific name of gray poplar?

Populusx canescens(Ait.) Sm. (pro sp.) [alba × tremula]


Is PolygonumargyrocoleonSteud. Ex Kunze native to the United States?


Is this plant invasive to the United States?


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

Invasive (Delaware), Invasive (North Carolina), Potentially Invasive (Connecticut), Regulated (New York), Watch List (Alabama)


Describe the fruit of HypericumcanarienseL.?

Fruits are dry capsules that release hundreds of very small seeds that are 0.04 in. (1 mm) in length from July through August.


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


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


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


Where can I view images of Gastridiumphleoides(Nees & Meyen) C.E. Hubbard?


Is sessile joyweed native to the United States?


Does TamarixchinensisLour. pose any ecological threat?

Several species are considered invasive in the United States and distinguishing the species can often be difficult.Tamarix chinensisinvades streambanks, sandbars, lake margins, wetlands, moist rangelands, and saline environments. It can crowd out native riparian species, diminish early successional habitat, and reduce water tables and interferes with hydrologic process.Tamarix chinensisis native to Eurasia and Africa and was introduced into the western United States as an ornamental in the early 1800s. It occurs throughout the western and central United States, but is most problematic in the Southwest.


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


Is LunariaannuaL. native to the United States?


Where can I view images of english holly?


Does AbrusprecatoriusL. pose any ecological threat?

Abrus precatoriuscan grow over small trees and shrubs. Roots grow very deeply onto the ground and are very difficult to remove. Fire encourages the growth ofAbrus precatorius.


What is the common name of PassiflorasubpeltataOrtega?


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

Class C (Alabama), Invasive, Prohibited (Connecticut), Prohibited (Minnesota), Prohibited (New York), Prohibited (Wisconsin), Watch List, Prohibited (Michigan)


What is the common name of Cortaderiajubata(Lem.) Stapf?


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


Describe the appearance of oriental lady's thumb?

Persicaria longisetais an annual forb that can reach 6-30 in. (15.2-76.2 cm) in height and can be either erect or sprawling.


Is musk mallow native to the United States?


What is the common name of Ipomoeacarneassp. fistulosa(Mart. ex Choisy) D. Austin?


Is this plant invasive to the United States?

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


What is the common name of GrevillearobustaA. Cunningham ex R. Br.?


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


Describe the flowers of greater celandine?

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


The fruit usually has knobby lobes or short horizontal wings. Seeds are egg shaped, flattened, and about 0.04-0.08 in (1–2 mm).


Describe the fruit of MiscanthussinensisAnderss.?

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


Where can I view images of Pilosellaaurantiaca(L.) F. W. Schultz & Sch. Bip.?


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


Where can I view images of orchardgrass?


Does Dittrichiagraveolens(L.) W. Greuter pose any ecological threat?

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


Where can I view images of GeraniummolleL.?


What is the scientific name of gingermint?

Menthax gracilisSole (pro sp.) [arvensis × spicata]


What is the scientific name of motherwort?


Leaves, near the base, are petiolate, oblanceolate, shallowly dentate and 2-10 in. (5-25 cm) long. As leaves move up the stem, they become smaller, sessile, linear, and entire.


What is the growth habit of SolanumtriflorumNutt.?


Describe the fruit of RubusarmeniacusFocke?

Fruits are an aggregate of drupelets that are black, when mature, and 0.5-0.8 in. (1.3-2 cm) in diameter.


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


Is starch grape hyacinth native to the United States?


Describe the fruit of Nymphoidespeltata(S.G. Gmel.) Kuntze?

The seeds of are contained in beaked capsules that measure 0.5-1 in. (1.2-2.5 cm) in length. The seeds themselves are flat and oval in shape, and have ciliate margins that measure 0.1 in. (3.5 mm) in length.


Describe the appearance of VincamajorL.?

Evergreen to semievergreen vines, some-what woody, trailing or scrambling to 3 ft. (1 m) long and upright to 1 ft. (30 cm).


Does Broussonetiapapyrifera(L.) L'Hér. ex Vent. pose any ecological threat?

Broussonetia papyriferaquickly invades disturbed areas and can be found along forest edges, old fields, and roads where it displaces native vegetation. Due to a shallow root system, the trees are often susceptible to being blown down in high winds.Broussonetia papyriferais native to Asia where it was used to produce paper. It was introduced into North America in the early 1900s and has been widely planted as an ornamental.


Where can I view images of indian rubberplant?


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


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


What is the common name of IrispseudacorusL.?


Where can I view images of tumble mustard?


Describe the flowers of shining geranium?

Flowers are pink with 5 petals and grow interspersed with the leaves; rather then above them.


Is this plant invasive to the United States?


Is yellow rocket native to the United States?


Describe the appearance of floating bladderwort?

Utricularia inflatais a perennial herbaceous aquatic plant that has a branched stem which can grow up to 6.6 ft. (2 m) long. It is a carnivorous plant and can be floating, submersed, or partly creeping.


Is tasmanian wallaby grass native to the United States?


Is lakeshore nutrush native to the United States?


What is the common name of UtriculariainflataWalter?


Is AlliumvinealeL. native to the United States?


Is purple pampasgrass native to the United States?


What is the scientific name of plumeless thistle?


Describe the foliage of saltmeadow cordgrass?

The light greenS. patensleaf blades are narrow ranging from 0.04-0.16 in. (1-4 mm) wide at the base with inrolled margins. The internode is firm and ligules are about 0.02 in. (0.5 mm) long. The leaves are deciduous, with new growth each year.


Where can I view images of persian speedwell?


What is the U.S. Department of Agriculture (USDA) plant symbol for Lygodiumjaponicum(Thunb. ex Murr.) Sw.?


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


Leaves are opposite, 8 in. (20.3 cm) long and narrowly heart-shaped with long petioles. The stems are square with the corners compressed into wings.


Describe the foliage of CynaracardunculusL.?

Stems are leafy, erect, and branched. Leaves are basal until bolting, then cauline leaves that are alternate, spiny, and gray green and cobwebby on the upper surface, are seen on the flower stalks.


Fruits are hairy, 0.5-1 in. (1.3-2.5 cm) long pods.


Describe the foliage of rough mannagrass?

Leaves are 12-23.6 in. (30-60 cm) long, 0.2-0.8 in. (6-20 mm) wide, with an acute apex and a prominent midrib. The leaf margins have stiff, short hairs. The leaf sheaths are rough in texture with a reddish-brown band at the leaf junction.


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


Does paper-mulberry pose any ecological threat?


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 english catchfly?


What is the growth habit of Lepidiumcampestre(L.) Ait. f.?


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


Where can I view images of LactucaserriolaL.?


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


Where can I view images of SalviaaethiopisL.?


Describe the foliage of lily of the valley?

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


What is the growth habit of slender amaranth?


What is the common name of SolanumtampicenseDunal?


Where can I view images of white cockle?


Does Melilotusofficinalis(L.) Lam. pose any ecological threat?

Melilotus albacan be found in prairies, fields, vacant lots, along roadsides, and in waste lands. It is native to Europe and Asia.


Is PassiflorafoetidaL. native to the United States?


What is the growth habit of seashore paspalum?


Describe the appearance of swamp morning-glory?

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


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


Describe the appearance of spotted knapweed?

Centaurea stoebeis a bushy, winter-hardy, upright perennial forb living 3 - 5 years or sometimes longer, with a deep taproot.


What is the U.S. Department of Agriculture (USDA) plant symbol for Microthlaspiperfoliatum(L.) F.K. Mey.?


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


Does LoniceraxylosteumL. pose any ecological threat?

Lonicera xylosteumis native to Europe and occurs in poor, well-drained soils in full sun.


Is this plant invasive to the United States?


What is the scientific name of northern catalpa?

Catalpaspeciosa(Warder) Warder ex Engelm.


Does GaliummollugoL. pose any ecological threat?

G. mollugocan be found growing in light shade to full sun in more or less mesic conditions. It becomes larger in fertile loam, but can grow in other kinds of soil.


Seeds are achenes, 0.08-0.12 in. (2-3 mm) long with a plume of bristle-like hairs.


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


What is the scientific name of annual bluegrass?


What is the common name of DaturainoxiaMill.?


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


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


Flowers give way to small, woody, seed capsules. Seeds are spread by wind and water.


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


Describe the flowers of european frog-bit?

It has a single white flower approximately 0.6 in. (1.5 cm) in diameter with three rounded petals and a yellow center.


Where can I view images of smooth sumac?


Heracleum mantegazzianumflowers from June-July. The inflorescence has many white florets (with petals about 0.4 in. [1 cm]) that form a flat-topped umbel. Each inflorescence can have a diameter of up to 2.5 ft. (0.72 m).


What is the scientific name of smooth cordgrass?


Is dames rocket native to the United States?


What is the invasive/noxious status of Nymphoidespeltata(S.G. Gmel.) Kuntze and where is it classified as such?

Invasive (North Carolina), Potentially Invasive, Prohibited (Connecticut), Prohibited (New York), Prohibited (Wisconsin), Proposed Prohibited (Minnesota), Watch List, Prohibited (Michigan)


What is the common name of Phelipancheaegyptiaca(Pers.) Pomel?


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


Is monkeypod native to the United States?


Does dandelion pose any ecological threat?

Taraxacum officinalecan be a major weed problem for turf and ornamental managers. In turf, it forms clumps that cause poor footing for athletic fields and golf courses. When this plant infests turfgrass and ornamental plantings, it forms dense circular mats of leaves that crowd out desirable species and reduce the vigor of those plants that survive.


What is the scientific name of heartleaf drymary?

Drymariacordata(L.) Willd. ex J.A. Schultes


Is american lotus native to the United States?


What is the scientific name of nightflowering catchfly?


Is asian swordfern native to the United States?


What is the growth habit of AvenafatuaL.?


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


Is this plant invasive to the United States?


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

Potentially Invasive, Prohibited (Connecticut)


Describe the flowers of ZygophyllumfabagoL.?

The flowers are whitish, yellow or copper-orange, 5-petaled and appear in May to August.


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


What is the common name of PoatrivialisL.?


What is the common name of RumexstenophyllusLedeb.?


Is EquisetumtelmateiaEhrh. native to the United States?


Is PoaannuaL. native to the United States?


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


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


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 laurel clockvine?


Is indigobush native to the United States?


What is the growth habit of yellow floating heart?


Does common water hyacinth pose any ecological threat?

Eichhornia crassipesinvades lakes, ponds, rivers, marshes, and other types of wetland habitats. It can quickly form dense floating mats of vegetation (populations can double in size in two weeks!). These dense mats restrict light to the underwater environment, reduce the light availability for submersed plants and aquatic invertebrates, and deplete the oxygen levels.Eichhornia crassipesis native to South America and was first introduced as an ornamental into the United States in 1884 at the Cotton States Exposition in New Orleans.


What is the scientific name of rosy sandcrocus?

Romulearoseavar. australis(Ewart) de Vos


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

Nuisance (DOC) (Missouri), Potentially Invasive, Prohibited (Connecticut)


Is star jasmine 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 GenistatinctoriaL.?


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

Prohibited (Wisconsin), Watch (Delaware), Watch List (Alabama)


What is the common name of Stenotaphrumsecundatum(Walt.) Kuntze?