Describe the flowers of Leucaenaleucocephala(Lam.) de Wit?

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


Describe the foliage of common cordgrass?

Leaves are 13.8-17.7 in. (35-45 cm) long, linear, flat, smooth, firm, green-grey in color with a fine apex, pointed tips, and entire margins. Where the leaf meets the sheath is a dense row of hair.


What is the common name of AcerplatanoidesL.?


Where can I view images of rush skeletonweed?


What is the common name of Parentucelliaviscosa(L.) Caruel?


Where can I view images of AlopecuruspratensisLinnaeus?


What is the common name of ThunbergiagrandifloraRoxb.?


Describe the foliage of LactucaserriolaL.?

Cauline leaves (on the stem) are alternate, 2-14 in. (5-36 cm) long and become smaller up the stem. Leaves have a conspicuous, white midvein with the underside of the vein covered with many prickles.


What is the scientific name of japanese zelkova?


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 VerbenaincomptaP. W. Michael?

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


What is the scientific name of whitetop?


What is the scientific name of ricefield bulrush?

Schoenoplectiellamucronata(L.) J. Jung & H. K. Choi


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

Leaves are dark green, opposite, cordate, hairless, 4 in. (10.2 cm) long and 3 in. (7.6 cm) across. The upper leaves may be smaller and lanceolate.


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


Is japanese hedge-parsley, erect hedgeparsley native to the United States?


What is the growth habit of rough maidenhair fern?


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


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


What is the common name of SecalecerealeL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for pale yellow iris, yellow flag iris?


Where can I view images of dalmatian toadflax?


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


What is the growth habit of standish's honeysuckle?


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


Where can I view images of Alchemillamollis(Buser) Rothm.?


Describe the appearance of white mulberry?

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


Is this plant invasive to the United States?


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


What is the scientific name of prickly-ash?


Is AcaciaauriculiformisA. Cunningham ex Benth. native to the United States?


What is the common name of SalviasclareaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for oriental lady's thumb?


What is the U.S. Department of Agriculture (USDA) plant symbol for Tetradiumdaniellii(Benn.) T.G. Hartley?


What is the common name of JasminumdichotomumVahl?


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


Is Vincetoxicumnigrum(L.) Moench native to the United States?


Does CarexkobomugiOhwi pose any ecological threat?

Carex kobomugiis native to southeastern Asia and was first found in the United States in 1929.


Where can I view images of AntigononleptopusHook. & Arn.?


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


What is the growth habit of herb-robert?


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


What is the growth habit of TrifoliumhirtumAll.?


What is the growth habit of common comfrey?


What is the U.S. Department of Agriculture (USDA) plant symbol for Cyanthilliumcinereum(L.) H.E. Robins.?


What is the common name of Viciasepiumvar. sepiumL.?


Is RuelliasimplexC. Wright native to the United States?


Is SymphytumofficinaleL. native to the United States?


Describe the flowers of Reynoutriax bohemicaChrtek & Chrtková?

Flowers are white to pink, 0.16-0.24 in. (4-6 mm), tepals are obovate to elliptic, and apex is obtuse to acute. Flowering occurs between July and October.


Describe the foliage of ButomusumbellatusL.?

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


Is canada bluegrass native to the United States?


Is this plant invasive to the United States?


What is the growth habit of australian saltbush?


What is the growth habit of AjugareptansL.?


Does Phyllostachysnigra(Lodd.) Munro pose any ecological threat?

Phyllostachys nigraspreads from deliberately planted gardens into nearby bushlands. It is native to southern China.


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


What is the growth habit of clammy goosefoot?


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


What is the common name of Nassellatenuissima(Trin.) Barkworth?


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

Potentially Invasive, Prohibited (Connecticut)


Does CentaureasolstitialisL. pose any ecological threat?

Centaurea solstitialisinvades woodlands, fields, pastures and roadsides.


Where can I view images of leporinum barley?


What is the growth habit of Kniphofiauvaria(L.) Oken?


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


Describe the flowers of Genistamonspessulana(L.) L. Johnson?

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


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


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


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


Is Physalisvirginianavar. virginianaMill. native to the United States?


Is Triadicasebifera(L.) Small native to the United States?


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


Is this plant invasive to the United States?


Is SpiraeathunbergiiSieb. ex Blume native to the United States?


What is the growth habit of washington hawthorn?


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


Is ImpatiensglanduliferaRoyle native to the United States?


Where can I view images of RosabracteataJ.C. Wendl.?


What is the common name of Myriophyllumaquaticum(Vell.) Verdc.?


What is the scientific name of common crupina?


What is the growth habit of canary island st. johnswort?


What is the growth habit of Callunavulgaris(L.) Hull?


Describe the fruit of bittersweet nightshade?

Mature fruits are red, shiny, round or egg-shaped, 0.4 in. (1 cm) long berries with about 30 yellow colored, flattened seeds.


Where can I view images of PaspalumquadrifariumLam.?


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

Fruit, which are rarely produced, are purple seed pods that contain white pulp and small black seeds.


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


Does longspine sandbur pose any ecological threat?

Cenchrus species are typically found in sandy sites, abandoned fields, and recently disturbed areas. They invade recently disturbed areas and can tolerate a wide range of soil types and moisture conditions, allowing it to compete successfully with other species.


What is the U.S. Department of Agriculture (USDA) plant symbol for Passifloratripartitavar. mollissima(Kunth) Holm-Niesen & P.M. Jørg.?


Is FlindersiabrayleyanaF. Muell. native to the United States?


Is sweet breath of spring native to the United States?


Is ArtemisiaabsinthiumL. 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 pennyroyal?


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


Describe the fruit of BerberisvulgarisL?

Berries are red ellipsoids which are less than 0.3 in. (10 mm) in length and contain 1-3 small black seeds. The fruit is dispersed by birds and other wildlife.


Is yellow toadflax native to the United States?


What is the scientific name of water speedwell?


What is the growth habit of true forget-me-not?


What is the growth habit of syrian beancaper?


Where can I view images of RubusarmeniacusFocke?


What is the scientific name of chinese crab apple?


What is the scientific name of tree marigold?


Is balloon cottonbush native to the United States?


Does CarduusnutansL. pose any ecological threat?

Carduus nutansinvades a variety of disturbed areas. Pastures are particularly at risk because It is unpalatable to livestock. Once established it can spread rapidly due to high seed production (as much as 120,000 seed per plant).Carduus nutansis native to Western Europe and was accidentally introduced into the United States in the early 1900s.


Where can I view images of barbwire russian-thistle?


Where can I view images of Cocciniagrandis(L.) Voigt?


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


Is Bothriochloaischaemum(L.) Keng 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 autumn olive?


Where can I view images of purple cudweed?


What is the scientific name of white sweetclover?


Describe the fruit of CarduustenuiflorusW. Curtis?

Fruit has a dry outer coating and is 0.16-0.20 in. (4-5 mm) long.


What is the growth habit of ArtemisiaannuaL.?


What is the common name of Microstegiumvimineum(Trin.) A. Camus?


Is Capsellabursa-pastoris(L.) Medik. native to the United States?


Is Pilosellaaurantiaca(L.) F. W. Schultz & Sch. Bip. native to the United States?


What is the growth habit of CotoneasterfranchetiiBoiss.?


Does AlyssumcorsicumDuby pose any ecological threat?

A. corsicumhas the potential to crowd out and displace native plants including rare species. It can be found in pastures, fields, and waste areas.A. corsicumis a hyperaccumulator (plants that extract metals from the soil), sometimes used to remove heavy metals from contaminated sites. Hyperaccumulators are highly toxic, containing concentrations of their target metals far in excess of levels considered toxic to cattle, sheep, swine and chickens.


What is the growth habit of paper-mulberry?


What is the growth habit of SolanumdulcamaraL.?


Foeniculum vulgarerequires well-drained soil and cannot grow in the shade. It prefers disturbed areas and is native to Europe.


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

Invasive (Delaware), Potentially Invasive (Connecticut)


Describe the flowers of DigitalislanataEhrh.?

The single flowering stem is usually produced in the second year. The tubular bell shaped flowers ascend up the stem. They have a creamy-white color and purplish-brown netting as well as a long broad lip. The entire inflorescence is pubescent.


Fruit oblong to ovoid, 0.12-0.2 in. (3-5 mm) long. Seeds ripen from September to October. This plant can reproduce from crown or root fragments but freely reproduces from seed.


What is the growth habit of BrassicarapaL.?


Is HypericumcalycinumL. native to the United States?


What is the common name of Descurainiasophia(L.) Webb ex Prantl?


Is this plant invasive to the United States?


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


What is the common name of ArundodonaxL.?


What is the growth habit of hispanic hyacinthoides?


What is the growth habit of HelianthuspetiolarisNutt.?


Where can I view images of Neyraudiareynaudiana(Kunth) Keng ex A.S. Hitchc.?


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


Where can I view images of crowfootgrass?


Is west indian marsh grass native to the United States?


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


Rosette leaves are 2-7.9 in. (5-20 cm) long, ovate, petiolate, and prominent venation. Cauline leaves are oblong to lanceolate, and can be cordate at the base.


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


Where can I view images of MimosapigraL.?


What is the scientific name of waterwheel plant?


What is the growth habit of Colubrinaasiatica(L.) Brongn.?


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


Is Melaleucaquinquenervia(Cav.) Blake native to the United States?


What is the common name of Cenchrussetaceus(Forssk.) Morrone?


What is the common name of Myriophyllumspp.?


What is the scientific name of yellow bedstraw?


What is the growth habit of Torilisarvensisssp. arvensis(Huds.) Link?


What is the common name of RubusvestitusWeihe & Nees?


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


What is the scientific name of japanese barberry?


Describe the flowers of SaponariaofficinalisL.?

Its sweetly scented flowers are radially symmetrical and pink, or sometimes white. Each of the five flat petals have two small scales in the throat of the corolla. They are about 1 in. (2.5 cm) wide. They are arranged in dense, terminal clusters on the main stem and its branches. In the northern hemisphere it blooms from May to September, and in the southern hemisphere October to March.


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


Describe the fruit of PaspalumquadrifariumLam.?

Paspalum quadrifariumflowers and produces seeds at least twice a year. The small, hard coated seeds range from silver-green to tan in color.


Where can I view images of tall buttercup?


What is the common name of Stipamiliaceavar. miliacea(L.) Hoover?


Is this plant invasive to the United States?


Where can I view images of JuncuseffususL.?


What is the common name of Achnatherumbrachychaetum(Godr.) Barkworth?


Is bristle basketgrass native to the United States?


What is the common name of EuonymuseuropaeusL.?


Is ngaio tree native to the United States?


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


Is gray poplar native to the United States?


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


Describe the foliage of Cytisusscoparius(L.) Link?

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


Is AmbrosiatomentosaNutt. native to the United States?


What is the scientific name of spanish broom?


What is the growth habit of Cunninghamialanceolata(Lamb.) Hook.?


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


What is the scientific name of white mulberry?


What is the common name of SpartinaalternifloraLoisel.?


What is the common name of RibesrubrumL.?


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


What is the growth habit of MalvasylvestrisL.?


Describe the fruit of Glyceriamaxima(Hartman) Holmb.?

The small seeds are 0.06-0.08 in. (1.5-2 mm) long, obovoid in shape and smooth in texture. This plant reproduces primarily vegetatively through rhizomes.


Is this plant invasive to the United States?


Describe the fruit of PhyllostachysaureaCarr. ex A.& C. Rivière?


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


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


What is the growth habit of Rorippasylvestris(L.) Bess.?


Does amur honeysuckle pose any ecological threat?

Lonicera maackiican form large stands that prevent native shrubs and herbaceous understory plants from growing. The fruits persist on the branches into the winter, when birds feed on them. In the spring,Lonicera maackiiis one of the first plants to leaf out, giving it a competitive advantage. This shrub can bear fruit when it is as young as 3 to 5 years old. ThoughLonicera maackiihas not yet become a major problem in New England, it is very troublesome in the southern and midwestern parts of the country.


Where can I view images of HyoscyamusnigerL.?


Describe the foliage of amur honeysuckle?

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.


Does Neyraudiareynaudiana(Kunth) Keng ex A.S. Hitchc. pose any ecological threat?

Neyraudia reynaudianacan be distinguished from common reed by the hairy collar around the leaf sheath.Neyraudia reynaudianais native to South Asia and was introduced into the United States in 1916. It is extremely flammable and can produce flames up to 30 ft. (9 m) high.


Where can I view images of european centaury?


Where can I view images of smooth hawksbeard?


What is the growth habit of tatarian honeysuckle?


What is the scientific name of red fescue?


Describe the fruit of Vitexagnus-castusL.?

Vitex agnus-castusfruits are a globose drupe. Each fruit has four cells that usually contain one seed per cell.


Is broadleaf carpetgrass native to the United States?


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

Invasive (DOC) (Missouri), Invasive, Prohibited (Connecticut), Prohibited (Alaska), Prohibited (New York), Prohibited (seed) (New Jersey), Restricted (Wisconsin), Watch List (Alabama)


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


Describe the appearance of giant foxtail?

Setaria faberiis an annual grass that can reach 2-5 ft. (0.61-1.5 m) in height.


Is Imperatacylindrica(L.) Beauv. native to the United States?


What is the scientific name of wild garlic?


What is the scientific name of sour cherry?


Where can I view images of lily of the valley vine?


Is CupressusarizonicaGreene native to the United States?


What is the scientific name of puncturevine?


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 ZygophyllumfabagoL.?


Describe the fruit of CyperusesculentusL.?

The fruits are achenes that seldom mature. Fruits are brown, sessile, and ellipsoid.


What is the common name of TrifoliumcampestreSchreb.?


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


What is the growth habit of LepidiumchalepenseL.?


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


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


What is the growth habit of long's sedge?


Describe the flowers of european privet?

Flowering occurs from April to June, when panicles of white to cream flowers develop in terminal and upper axillary clusters. Pollen can cause an allergic reaction in some people.


Is Prunussubhirtellavar. pendulaY. Tanaka native to the United States?


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


Where can I view images of Colocasiaesculenta(L.) Schott?


What is the common name of CoffeaarabicaL.?


Is AcercampestreL. native to the United States?


Does reed canarygrass pose any ecological threat?

Phalaris arundinaceacan quickly dominate wetlands, ditches, prairie potholes, and other sites with moist soil. It can exclude all other vegetation and is extremely difficult to eradicate once established. Nativity of this plant is debated; it is native to Europe and possibly parts of Asia, but it may also be native to the northwestern United States. Aggressive behavior that is exhibited in many parts of the central and western United States may be a result of escaped cultivars that were bred for vigor and quick growth.


What is the growth habit of Kalanchoepinnata(Lam.) Pers.?


What is the common name of Acaenanovae-zelandiaeKirk?


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


What is the U.S. Department of Agriculture (USDA) plant symbol for Oxalisdebilisvar. corymbosa(DC.) Lourteig?


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


What is the scientific name of chameleon-plant?


Is Macrothelypteristorresiana(Gaud.) Ching native to the United States?


Is bluehead gilia native to the United States?


Describe the foliage of PinusthunbergiiParl.?

The leaves are usually a dark green. The needles are 5-7 in long and twisted. Needles are borne in groups of two per bundle.


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


Describe the foliage of LysimachiavulgarisL.?

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


Where can I view images of LepidiumvirginicumL.?


Is tea viburnum native to the United States?


What is the common name of Viciavillosassp. varia(Host) Corb.?


Is this plant invasive to the United States?


Where can I view images of lombardy poplar?


Is japanese corktree native to the United States?


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


What is the invasive/noxious status of Microstegiumvimineum(Trin.) A. Camus and where is it classified as such?

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


What is the common name of ChelidoniummajusL.?


What is the growth habit of DaphnelaureolaL.?


Is taiwanese cheesewood native to the United States?


Where can I view images of smallflower umbrella sedge?


What is the growth habit of Polygonumcespitosumvar. cespitosumBlume?


What is the common name of Sporobolusindicus(L.) R. Br.?


Is burmareed native to the United States?


Describe the appearance of PhellodendronamurenseRupr.?

Phellodendron amurenseis a perennial tree that can grow from 35-45 ft. (10-14 m) tall. The tree has a short trunk with spreading branches. The bark is thick and corky.


Where can I view images of RumexacetosellaL.?


Flowers are yellow, tubular, 1.25-2 in. (3.2-5 cm) long, and found in clusters at the end of the branches. Flowers bloom from early spring to late summer.


Describe the appearance of pale yellow iris, yellow flag iris?

Iris pseudacorusis a herbaceous perennial that can grow up to 3-4 ft. (0.9-1.2 m) in height.


What is the growth habit of himalayan blackberry?


Is RosarugosaThunb. native to the United States?


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


What is the growth habit of musk mallow?


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


Is this plant invasive to the United States?


What is the invasive/noxious status of Phragmitesaustralis(Cavanilles) Trinius ex Steudel and where is it classified as such?

Category 2 (Alabama), Class C (Alabama), Invasive (North Carolina), Invasive, Prohibited (Connecticut), Invasive, Restricted (Michigan), Prohibited (New York), Prohibited/Restricted (Wisconsin)


Where can I view images of algerian ivy?


What is the common name of FicusmicrocarpaL. f.?


Where can I view images of Crepiscapillaris(L.) Wallr?


Is Stellariapallida(Dumort.) Crépin native to the United States?


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


What is the growth habit of american frogbit?


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


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


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


Is lilac chastetree native to the United States?


What is the scientific name of aboriginal willowherb?

Epilobiumbillardierianumssp. cinereum(A. Rich.) P.H. Raven & Engelhorn


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


What is the growth habit of smooth bedstraw?


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


Is SalsolapaulseniiLitv. native to the United States?


Where can I view images of giant chickweed?


Is Ipomoeacordatotrilobavar. cordatotrilobaDennst. native to the United States?


Where can I view images of wavyleaf basketgrass?


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


Where can I view images of Scheffleraactinophylla(Endl.) H.A.T. Harms?


Where can I view images of PilosellaofficinarumVaillant?


Does Salpichroaoriganifolia(Lam.) Thell. pose any ecological threat?

Salpichroa origanifoliais often found in moist areas in gardens, roadsides, urban waste lands, disturbed sites, fences and coastal environs in temperate, semi-arid and occasionally also sub-tropical environments.


What is the common name of Hemarthriaaltissima(Poir.) Stapf & C.E. Hubbard?


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


What is the growth habit of Citrusx aurantiifolia(Christm.) Swingle?


What is the common name of BidensbipinnataL.?


Is this plant invasive to the United States?


Describe the appearance of syrian beancaper?

Zygophyllum fabagois an herbaceous, perennial plant with a bushy habit that grows up to 1.5 ft. (0.6 m) tall.


What is the growth habit of spanishneedles?


Is CampanularapunculoidesL. native to the United States?


Does IpomoeaaquaticaForssk. pose any ecological threat?

Ipomoea aquaticacan become an invasive problem in some tropical and temperate regions outside of its native range. Its common name, water spinach indicates that use as a food is one reason it has been spread to other parts of the world. It is listed as a noxious weed in the United States.Ipomoea aquaticahas been reported in Florida, California, Hawaii and Washington. It has also been reported in Micronesia, French Polynesia and South America.


What is the growth habit of thunberg's meadowsweet?


Does JacobaeavulgarisGaertn. pose any ecological threat?

J. vulgarisinvades rangelands in the West where it is toxic to livestock. In the East it invades pastures, open forests, swamps, riverbeds, coastal grasslands and disturbed areas. It was first reported in the United States in the early 1900’s. It is native to most of Europe, North Africa and western Asia and may have been introduced into the United States as a medicinal plant.


Does CarthamuslanatusL. pose any ecological threat?

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


What is the growth habit of PhormiumtenaxJ.R. & G. Forst.?


Where can I view images of asian swordfern?


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 BetulapendulaRoth?


What is the common name of MadiaglomerataHook.?


Where can I view images of common burdock, lesser burdock?


What is the growth habit of ViburnumsetigerumHance?


Where can I view images of australian redcedar?


What is the U.S. Department of Agriculture (USDA) plant symbol for BromusbriziformisFisch. & C.A. Mey.?


Describe the flowers of european waterstarwort?

Callitriche stagnalisis monoecious. The staminate and pistillate flowers are tiny, simple in structure and typically located right next to one another in the leaf axils. This close proximity facilitates aerial self-pollination. The flowers have two small bracts at their bases, which may help the flowers to float on the water, also facilitating pollination.


Does lesser celandine, fig buttercup pose any ecological threat?

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


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


What is the growth habit of LeptospermumscopariumJ.R. & G. Forst.?


Describe the appearance of LactucaserriolaL.?

Lactuca serriolais an annual or biennial that can reach heights of 6 ft. (1.8 m).


Describe the foliage of LigustrumlucidumW.T. Aiton?

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


Where can I view images of CardamineflexuosaWith.?


Is SenecioglomeratusDes. ex Poir. native to the United States?


Does DipsacusfullonumL. pose any ecological threat?

Dipsacus fullonumfavors disturbed sites such as roadsides, ditches, waste places, riparian sites, fields and pastures in most of the continental United States. Only recently wasDipsacus fullonumdistinguished from fullers teasel which was once cultivated for the dried flower heads used in wool processing. It is native to Europe.


Is western salsify native to the United States?


Is this plant invasive to the United States?


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

Flowers are pink, purple and white, 0.2-0.3 in. (5-8 mm) long and papilionaceous.


What is the common name of Cyanthilliumcinereum(L.) H.E. Robins.?


Where can I view images of creeping croftonweed?


Where can I view images of HibiscustrionumL.?


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

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


Where can I view images of shortpod mustard?


What is the common name of SpathoglottisplicataBlume?


Where can I view images of himalayan balsam?


Describe the fruit of HedychiumgardnerianumShepard ex Ker-Gawl.?

Fruit is an oblong capsule, which is thin-walled with orange valves within. Seeds are bright scarlet, shiny and numerous.


What is the growth habit of CotoneastercoriaceusFranch.?


What is the common name of MyoporumlaetumG. Forst.?


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


What is the scientific name of prairie sunflower?


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


Where can I view images of purple deadnettle?


Is common motherwort native to the United States?


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


Is wild garlic native to the United States?


Is this plant invasive to the United States?


Where can I view images of DigitariasetigeraRoth ex Roemer & J.A. Schultes?


What is the common name of Kummerowiastipulacea(Maxim.) Makino?


Does Firmianasimplex(L.) W. Wight pose any ecological threat?

Firmiana simplexis beginning to be reported more often along roadsides and other disturbed areas. This plant is self-fertile which means it only takes one tree to produce fertile seeds. The prolific seed production along with its quick growth and aggressive competition makeF. simplexa candidate for EDRR - Early Detection & Rapid Response program in the warmer regions of the United States.


Is prostrate knotweed native to the United States?


Where can I view images of alligatorweed?


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


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


What is the common name of Lepidiumcampestre(L.) Ait. f.?


Does meadow hawkweed 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.


Where can I view images of japanese snowball?


Describe the flowers of Hemerocallisfulva(L.) L.?

Flowers are large, showy, orange, usually with some striping; occur in clusters of 5-9 at the tip of the stalk; flowers in a cluster open one at a time, each for one day only; summer.


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


Describe the flowers of australian-pine?

Male and female flowers are present on the same plant and are inconspicuous. Male flowers occur in terminal spikes, while the female flowers are in small, axillary clusters.


Describe the appearance of benghal dayflower?

Commelina benghalensis, or tropical spiderwort, is an annual or perennial, creeping herb that is on the Federal Noxious Weed List.


Describe the flowers of DaphnelaureolaL.?

Flowers are found in clusters of 2 to 10 small, fragrant, and pale green with orange stamens. Blooming occurs from late January to early April.


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


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

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


Where can I view images of mouse-eared hawkweed?


Where can I view images of NepetacatariaL.?


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


What is the invasive/noxious status of showy fly honeysuckle, bell's honeysuckle and where is it classified as such?

Category 2 (Alabama), Invasive (IPC) (Missouri), Invasive, Prohibited (Connecticut), Prohibited (New York), Restricted (Wisconsin)


What is the growth habit of twoleaf nightshade?


What is the common name of AndropogonvirginicusL.?


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 standish's honeysuckle?


Is Chenopodiumalbumvar. albumL. native to the United States?


What is the growth habit of Caesalpiniadecapetala(Roth) Alston?


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


Each flower head can produce up to 200 flat seeds that are 0.08 in. (2 mm) long.


Is UtriculariainflataWalter native to the United States?


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


Does bristly locust pose any ecological threat?

Robinia hispidawas planted for erosion control and can be found in disturbed areas such as old fields and along roadsides. It prefers full sun.


Describe the appearance of RumexcrispusL.?

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


Where can I view images of AldrovandavesiculosaL.?


Is chinese lobelia native to the United States?


Describe the foliage of LigustrumsinenseLour.?

Leaves are opposite, oblong, 1-2.4 in. (2.5-6 cm) long, and 0.2-0.6 in. (0.5-1.5 cm) wide. Foliage can be pubescent along the underside of the midvein.


What is the scientific name of tussock paspalum?


Describe the foliage of SalsolacollinaPallas?

The branches are slender and soft when young, woody when mature. The leaves are alternate. The first ones start off being dark green, soft, slender, and 1-2.5 in. (2.5-6.4 cm) long.


What is the scientific name of moist sowthistle?

Sonchusarvensisssp. uliginosus(M. Bieb.) Nyman


What is the common name of Festucatrachyphylla(Hack.) Krajina nom. illeg.?


Is east indian almond native to the United States?


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


Does spanish broom pose any ecological threat?

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


Is this plant invasive to the United States?


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


What is the common name of Chenopodiumsimplex(Torr.) Raf.?


Describe the foliage of Genistamonspessulana(L.) L. Johnson?

Leaves are alternate, three-foliate and petiolate 0.08-0.16 in. (2-4 mm) long. Leaflets are elliptic to obovate, often with a short point.


What is the common name of Hyparrheniarufa(Nees) Stapf?


What is the growth habit of EuphorbiapulcherrimaWilld. ex Klotzsch?


Does summer snowflake pose any ecological threat?

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


What is the common name of AnthoxanthumodoratumL.?


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


Is PanicumcapillareL. native to the United States?


What is the growth habit of wild garlic?


Is buffalobur native to the United States?


Where can I view images of giant knotweed?


Is Manilkarazapota(L.) van Royen native to the United States?


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


Where can I view images of Kniphofiauvaria(L.) Oken?


Is cutleaf geranium native to the United States?


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


What is the scientific name of sweetscented bedstraw?


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


Where can I view images of PeganumharmalaL.?


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


Describe the foliage of SolanumrostratumDunal?

Stems and leaves have extremely sharp spines, so take care when handling. Leaves are alternate, bright green, petiolate, 4-5 in. (10.2-12.7 cm) long, and pinnately lobed.


What is the common name of LactucasalignaL.?


What is the scientific name of narrowleaf firethorn?


Is perennial veldtgrass native to the United States?


Describe the appearance of HeracleummantegazzianumSommier & Levier?

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.


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


Is coffee senna native to the United States?


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


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

Category 2 (Alabama), Invasive (North Carolina)


Is this plant invasive to the United States?


Is morrow's honeysuckle native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Sennapendulavar. advena(Vogel) Irwin & Barneby?


Where can I view images of sweet autumn virginsbower?


What is the growth habit of Arctothecacalendula(L.) Levyns?


What is the growth habit of Melochiaumbellata(Houtt.) Stapf?


What is the scientific name of virginia pepperweed?


What is the growth habit of lily of the valley?


Where can I view images of AtriplexsemibaccataR. Br.?


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


What is the growth habit of MiscanthussinensisAnderss.?


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


Is Acacialongifolia(Andr.) Willd. native to the United States?


What is the scientific name of sticky sage?


What is the growth habit of GrevilleabanksiiR. Br.?


What is the common name of Ludwigiaoctovalvis(Jacq.) Raven?


Is CallitrichestagnalisScop. native to the United States?


What is the growth habit of LagerstroemiaindicaL.?


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


What is the common name of Exochordaracemosa(Lindl.) Rehd.?


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


Is PyruscommunisL. native to the United States?


What is the scientific name of mile-a-minute?


What is the common name of Malushupehensis(Pamp.) Rehder?


Describe the appearance of CynoglossumofficinaleL.?

Cynoglossum officinaleis a biennial plant that can grow from 8-48 in. (0.2-1.2 m) tall. The first year’s growth is strictly vegetative with flowering occurs the second year.


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


Where can I view images of spanish heath?


What is the scientific name of sicklepod?


Is this plant invasive to the United States?


Is VeronicapersicaPoir. native to the United States?


What is the common name of Viciasativassp. sativaL.?


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


What is the scientific name of ohio buckeye?


What is the growth habit of LonicerastandishiiJacques?


Is Dactylisglomeratassp. glomerataL. native to the United States?


What is the scientific name of piedmont bedstraw?


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 SeneciosylvaticusL.?


What is the growth habit of littleseed canarygrass?


Describe the foliage of HieraciumglomeratumFroel.?

The leaves have very short simple hairs, which give the leaves and the lower part of stems a soft-lanuginose (downy/wooly) appearance. Leaves have somewhat numerous stellate hairs on the upper surface of leaves. Leaves are oblong-spatulate to lanceolate and up to about 7 in. (18 cm) long.


What is the common name of SalixfragilisL.?


Describe the appearance of NicotianaglaucaGraham?

Nicotiana glaucais a perennial shrub or small tree that can grow up to 25 ft. (7.6 m) tall.


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


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

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


What is the scientific name of red clover?


Is fivehook bassia native to the United States?


Is bellardia native to the United States?


Where can I view images of common mouse-ear chickweed?


Describe the appearance of smooth cordgrass?

Spartina alterniflorais a perennial grass that expands via underground rhizomes. It is native to the eastern United States, but is considered invasive, in salt marshes, in California. Hollow stems grow from 2-4 ft. (0.6-1.2 m) tall.


Is this plant invasive to the United States?


What is the growth habit of Sonchusarvensisssp. uliginosus(M. Bieb.) Nyman?


Is EricacinereaL. native to the United States?


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


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


Flowers are small and greenish with five petals on long branched stalks.


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


What is the common name of Wisteriafloribunda(Willd.) DC.?


Describe the appearance of AlbiziajulibrissinDurazz.?

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


Describe the fruit of AegilopscylindricaHost?

The spikelets are awned with the longest awns at the top of the spike. At maturity the seed heads break into individual segments.


Describe the flowers of Alliariapetiolata(Bieb.) Cavara & Grande?

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


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


Is CinchonapubescensVahl native to the United States?


What is the growth habit of plume poppy?


Is brazilian satintail native to the United States?


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


What is the growth habit of MyoporumlaetumG. Forst.?


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


Describe the fruit of purple loosestrife?

Fruits are capsules that are enclosed in the hairy sepals and contain several reddish brown seeds.


Describe the flowers of common hempnettle?

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


What is the growth habit of Photiniavillosa(Thunb.) DC.?


What is the growth habit of XanthiumspinosumL.?


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


Fruits are ovoid capsules, containing many small, oblong, rigid seeds that can be 0.02-0.04 in. (0.5-1 mm) long


Is VeronicaarvensisL. native to the United States?


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


Is Costusspeciosus(Koenig) Sm. native to the United States?


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


Is PassifloralaurifoliaL. native to the United States?


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


Where can I view images of EuphorbiaterracinaL.?


Does silverleaf nightshade pose any ecological threat?

S. elaeagnifoliumcan be found in meadows, pastures, and plains. It is native to all U.S. states except Hawaii, Alaska, all north eastern states except Maryland, and all states north of Nebraska except Washington, Oregon, and Idaho. This plant can be toxic. Always wear gloves and protective clothing when handling this plant.


Describe the appearance of purple nutsedge?

Cyperus rotundusis a perennial which rarely reproduces by seed but extensively reproduces by rhizomes which initially are white and fleshy with scale leaves, later becoming ligneous or "wiry."


Fruits are round, dry, hard, brown in color, and less that 0.5 in. (1.3 cm) long. They aren’t showy and don't attract wildlife.


Where can I view images of cane fruit (blackberry, raspberry)?


What is the scientific name of wild basil?


Is this plant invasive to the United States?


What is the growth habit of weeping willow?


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


Flowering occurs in the spring, when small, white flowers develop in large panicles at the ends of the stems. Flowers have 3-6 reflexed petals.


What is the growth habit of Lygodiummicrophyllum(Cav.) R. Br.?


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 tall vervain pose any ecological threat?

V. bonariensisis native to South America. It has escaped cultivation and become naturalized in disturbed areas across the southeastern United States and in California. It is drought and heat tolerant and is very common along roadsides and other disturbed areas.V. bonariensisis very similar toV. montevidensisandV. incomptaand all three are invasive species.


Describe the foliage of CentaureacalcitrapaL.?

The stems and leaves are covered with fine hairs. Lower and basal leaves are divided or deeply lobed. Leaves become less divided toward the apex of the plant.


Is CentaureasolstitialisL. native to the United States?


Is waterpurslane native to the United States?


Describe the appearance of HieraciumglomeratumFroel.?

Hieracium glomeratumis a perennial herbaceous plant in the sunflower family. The rounded leafless stems contain a milky sap and range from 12-27.6 in. (30-70 cm) tall.H. glomeratumis native to Europe.


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


Describe the flowers of chinese silvergrass?

The terminal panicle is fan-shaped, long (2 ft. [0.6 m] in length), and silvery to pink in color. Flowering occurs in late summer.


Is wild marigold native to the United States?


What is the growth habit of Sesbaniaherbacea(P. Mill.) McVaugh?


Is PastinacasativaL. native to the United States?


Does ConvolvulusarvensisL. pose any ecological threat?

C. arvensismost likely was introduced in North America as a contaminant in crop seed as early as 1739. Plants typically inhabit roadsides and grasslands and live along streams.


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


What is the growth habit of butterflybush?


Is pennyroyal native to the United States?


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


Is this plant invasive to the United States?


Where can I view images of Sechiumedule(Jacq.) Sw.?


Does QuercusacutissimaCarruthers pose any ecological threat?

Quercus acutissimahas been found in recent years to escape plantings and establish in nearby forests, potentially displacing native vegetation. It is native to Asia and has been widely planted in the United States as an ornamental and as food for wildlife. It is no longer recommended for planting in the United States because of its potential impact on native ecosystems.


Is PaspalumnotatumFluegge native to the United States?


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


Describe the fruit of dog-strangling vine, european swallowwort?

The fruits are similar to milkweed pods. They are slender, 2-3 in. (5.1-7.6 cm) long and split to reveal small seeds with tufts of white hairs. The hairs allow the seeds to be readily dispersed by the wind.


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


Is GalinsogaquadriradiataCav native to the United States?


What is the scientific name of rabbitfoot clover?


Describe the foliage of dalmatian toadflax?

Leaves are pale green, waxy, and heart-shaped, about 1-3 in. (2.5-7.6 cm) long in length, that clasp the stem at the base.


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

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


Describe the flowers of ArdisiacrenataSims?

The flowers are on stalks. They are small, pink to white in axillary clusters usually drooping beneath the foliage. Blooms develop in the late spring and early summer.


What is the common name of LonicerastandishiiJacques?


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


Where can I view images of princesstree?


What is the growth habit of coconut palm?


Where can I view images of Kyllinganemoralis(J.R. Forst. & G. Forst.) Dandy ex Hutch. & Dalziel?


Is SecalecerealeL. native to the United States?


Is lesser hawkbit native to the United States?


Where can I view images of great burdock?


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


Describe the flowers of SolanumcarolinenseL.?

Flowers occur in clusters and are star-shaped with 5 white to violet petals and a yellow center.


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


Describe the appearance of AegopodiumpodagrariaL.?

Aegopodium podagrariais a creeping, herbaceous perennial that can grow to be 15.7-39.4 in. (0.4-1 m) tall.


Where can I view images of Gamochaetapurpurea(L.) Cabrera?


What is the growth habit of indian rubberplant?


Describe the appearance of perilla mint?

Perilla frutescensis an erect, annual freely branching herbaceous plant that grows from 1-6.6 ft. (0.3-2 m) tall. The square stems are villose, purple or green with four parallel grooves. Dried stalks can persist through winter. It is native to Eastern Asia.


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


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


Is italian stone pine native to the United States?


Fruit are brown, hairy, flat, 3 in. (7.6 cm) long, 0.3 in. (0.8 cm) wide seed pods. Each pod can contain 3-10 hard seeds.


What is the common name of TragopogonlamotteiL.?


Describe the fruit of leatherleaf mahonia?

The fruits are green berries, about 0.5 in. (1.3 cm) long, that turn bluish black with a grayish bloom. Fruits hang in grapelike clusters.


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 fruit of bohemian knotweed, hybrid japanese knotweed?

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


What is the U.S. Department of Agriculture (USDA) plant symbol for Landoltiapunctata(G.F.W. Mey.) D.H. Les & D.J. Crawford?


Describe the fruit of HeracleummantegazzianumSommier & Levier?

The fruits are dry and elliptic, measuring 0.3-0.4 in. (8-11 mm) long and 0.25-0.3 in. (6-8 mm) wide. The fruits have brown resin canals that can be up to 0.04 in. (1 mm) in diameter.


Is Cordylineaustralis(G. Forst.) Endl. native to the United States?


Describe the flowers of BromusinermisLeyss.?

Flowers are contained in drooping panicles and appear in early to mid-summer. Each branch of the inflorescence has several purplish spikelets, each containing 7-10 flowers. Flowers, when in bloom, are yellow in color.


What is the common name of Kalopanaxseptemlobus(Thunb.) Koidz?


Describe the foliage of perennial pepperweed?

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


What is the common name of RosacaninaL.?


The dandelion-like flowers are bright yellow in color and emerge before the leaves in early spring.


Where can I view images of dyer's greenweed?


What is the growth habit of chinese violet?


What is the U.S. Department of Agriculture (USDA) plant symbol for ReynoutriasachalinensisF. Schmidt ex Maxim.?


What is the growth habit of common reed?


The leaves are palmately lobed, pubescent with stellate hairs, and 1.6-3.1 in. (4-8 cm) long.


What is the scientific name of wild bushbean?


Where can I view images of SolanumphysalifoliumRusby?


What is the growth habit of ElaeagnusumbellataThunb.?


What is the scientific name of siberian crabapple?


Is CotoneasterpannosusFranch. native to the United States?


What is the growth habit of memorial rose?


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


Where can I view images of Viciahirsuta(L.) S.F. Gray?


Where can I view images of scottish rose?


Where can I view images of english violet?


Describe the fruit of chinese parasoltree?

F. simplexfruit are peculiar pods which split open into petal-like sections to reveal the small, round seeds.


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


What is the growth habit of GaliumaparineL.?


What is the growth habit of Poapratensisssp. pratensisL.?


Is stinkgrass native to the United States?


Is this plant invasive to the United States?


Where can I view images of LamiummaculatumL.?


Is yellow himalayan raspberry native to the United States?


Describe the foliage of RosarugosaThunb.?

Leaves are alternate with 5–9 leaflets about 0.8-2 in (2–5 cm) long by 0.6-1.2 in (1.5–3 cm) wide. Leaflets are widely elliptical, acute, with broadly cuneate or rounded base. Leaf tops are leathery, dark green, conspicuously bullate or rugose, and rather shiny. Back of leaves are green-grey, hairy with netlike veins. Leaf margin bluntly and simply crenate-serrate, involute, edge of teeth often deflexed. Petiole and rachis are hairy, with many prickles. Stipules are pale green, hairy, 1 x 0.4-0.6 in (2.5 × 1–1.5 cm), divergent, the free part broadly ovate or deltoid.


What is the scientific name of queen anne's lace, wild carrot?


Is EchiumplantagineumL. native to the United States?


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


Is littleseed canarygrass native to the United States?


Is purple mombin native to the United States?


What is the scientific name of siebold's arrowwood?


Where can I view images of marsh dayflower?


What is the U.S. Department of Agriculture (USDA) plant symbol for Pseudelephantopusspicatus(Juss. ex Aubl.) C.F. Baker?


Is CatalpaovataG. Don native to the United States?


Is woodland bittercress native to the United States?


What is the growth habit of bristly foxtail?


Is cultivated garlic native to the United States?


What is the growth habit of brazilian vervain?


Is this plant invasive to the United States?


What is the growth habit of LepidiumlatifoliumL.?


What is the common name of LemnaminorL.?


Is SolanumnigrumL. native to the United States?


Is reed canarygrass native to the United States?


What is the growth habit of Akebiaquinata(Houtt.) Dcne.?


What is the growth habit of common mouse-ear chickweed?


What is the growth habit of GalinsogaparvifloraCav.?


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


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


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

Flowers are tiny, white, 5-petaled and clustered in small, flat-topped umbels. Flowering occurs from June to September.


Is Sphagneticolatrilobata(L.C. Rich.) Pruski native to the United States?


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


What is the common name of Epidendrumx obrienianumRolfe [evectum × ibaguense]?


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


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


Describe the appearance of amur silvergrass?

Miscanthus sacchariflorusis a genus of tall perennial grass species that grows to about 8 ft (2.5 m) tall. It is native to parts of Eastern Asia. It is currently grown as an ornamental in North America.


Does parrotfeather pose any ecological threat?

Myriophyllum aquaticum's potential range is yet to be determined. In more southern regions, this plant forms monocultures that clog waterways, impeding recreational and commercial boating activities. These monocultures also disrupt the growth of native aquatic plants and provide breeding areas for mosquitoes.Myriophyllum aquaticumis a common water garden plant, which has the potential to escape into local waterways. Control of this plant is extremely costly.


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


Describe the fruit of blessed milkthistle?

Fruit are black and brown achenes that are about 0.3 in. (0.85 cm) long, slightly flattened with a ring of bristles at the apex.


What is the growth habit of ScillasibericaHaw.?


Where can I view images of CitharexylumspinosumL.?


What is the scientific name of rose myrtle?


Is SolanumelaeagnifoliumCavanaugh native to the United States?


Describe the foliage of reed canarygrass?

Leaf blades are flat, 1-4 ft. (0.3-1.2 m) long, up to 0.75 in. (1.9 cm) wide, glabrous and taper gradually. The ligule is membranous (transparent) and long.


Where can I view images of crimson clover?


What is the growth habit of Lygodiumjaponicum(Thunb. ex Murr.) Sw.?


What is the scientific name of false mayweed?


Is this plant invasive to the United States?


Where can I view images of alsike clover?


Where can I view images of Macfadyenaunguis-cati(L.) A.H. Gentry?


What is the growth habit of AcernegundoL.?


What is the scientific name of cutleaf geranium?


Describe the foliage of RosamultifloraThunb.?

Leaves are pinnately compound with 7-9 leaflets. Leaflets are oblong, 1-1.5 in. (2.5-3.8 cm) long and have serrated edges. The fringed petioles ofRosa multiflorausually distinguish it from most other rose species.


The fruits are small green berries that turn yellow when ripe.


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


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 kahiliflower?


Where can I view images of eastern cottonwood?


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


What is the growth habit of BoerhaviacoccineaP. mill.?


Describe the appearance of smooth bedstraw?

Galium mollugois an herbaceous prennial plant that grows to be 1-3 ft (0.3-0.9 m) tall. The simple to branched stems are square and swollen at leaf nodes.G. mollugotends to sprawl if unsupported. It is native to Africa, temperate Asia and Europe.


Is american bugseed native to the United States?


Where can I view images of Loniceramaackii(Rupr.) Herder?


Describe the flowers of Arthraxonhispidus(Thunb.) Makino?

Flowers bloom in early fall and are contained in 1 to several, 1-3 in. (2.5-7.6 cm) long spikes.


Is Filipendulaulmaria(L.) Maxim. native to the United States?


What is the growth habit of puncturevine?


What is the growth habit of common chickweed?


Where can I view images of common mediterraneangrass?


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


What is the growth habit of bottlebrush?


Describe the foliage of BrassicatournefortiiGouan?

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


Does IsatistinctoriaL. 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.


What is the common name of MesembryanthemumnodiflorumL.?


Is this plant invasive to the United States?


Is Opuntiaficus-indica(L.) P. Mill. native to the United States?


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


Where can I view images of SolanumviarumDunal?


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


Is Ludwigiapeploidesssp. glabrescens(Kuntze) P.H. Raven native to the United States?


Does LigustrumovalifoliumHassk. pose any ecological threat?

Ligustrum ovalifoliummay invade roadsides, in old fields and in other disturbed habitats. It can also invade natural areas such as floodplain forests and woodlands. It may displace shrubs in regenerating communities and remain persistent in these areas.Ligustrum ovalifoliumcan form dense thickets that outcompete many kinds of native vegetation. It has been found in California, Canada, the Eastern U.S. States West to Texas and in Puerto Rico.


Describe the appearance of wall lettuce?

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


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


Does wine raspberry pose any ecological threat?

Rubus phoenicolasiusinvades moist, open areas such as fields, roadsides, forest margins, open forests, and prairies. It reproduces by seed (which are readily dispersed by animals) and root nodes. New plants can grow from the canes touching the ground. It can form extensive, dense thickets that displace native vegetation and restrict light to the ground cover in open areas.Rubus phoenicolasiusis native to eastern Asia and was first introduced into the United States in 1890 as breeding stock for new raspberry cultivars.


White flowers with 4 deeply divided petals are produced in long raceme.


Describe the appearance of shrubby lespedeza?

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


Is bighead knapweed native to the United States?


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


What is the growth habit of red morning-glory?


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


What is the invasive/noxious status of Eragrostiscurvula(Schrad.) Nees and where is it classified as such?


Is this plant invasive to the United States?


Describe the appearance of ElaeagnusangustifoliaL.?

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


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


What is the invasive/noxious status of Glyceriamaxima(Hartman) Holmb. and where is it classified as such?

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


What is the growth habit of white sweetclover?


Is birch-leaf pear native to the United States?


Is poverty brome native to the United States?


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

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


Describe the foliage of common valerian?

The basal and stem leaves are similar and are opposite. They are pinnately divided into 11-21 lanceolate segments that have dentate margins (some are entire). As the leaves go up the stems, the petioles get shorter. The leaves often have a few hairs on the underside.


Describe the fruit of eurasian watermilfoil?

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


Where can I view images of russian thistle?


What is the growth habit of SpiraeajaponicaL. f.?


Does blessed milkthistle 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.


What is the growth habit of CarduustenuiflorusW. Curtis?


Is woodland strawberry native to the United States?


Describe the appearance of tumble mustard?

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


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 MicrolaenastipoidesLabill.?


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


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


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


Is this plant invasive to the United States?


Where can I view images of SalsolakaliL.?


The showy, fragrant flowers vary in color from white to purple or pink and develop in the late spring. Flowers develop in clusters on 3 ft. (1 m) tall stalks.


What is the growth habit of EchiumvulgareL.?


Describe the appearance of DigitalispurpureaL.?

Digitalis purpureais an herbaceous biennial or short lived perennial plant.


Describe the flowers of BromusarvensisL.?

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


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


Describe the foliage of ArtemisiavulgarisL.?

The simple lobed leaves are papery, pubescent, and dark green on the upper surface. Leaves are alternate. The leaves near the base are elliptic and oblong, lobed deeply almost to the midrib. The leaves midstem are elliptic to ovate, 1.2-4 in (3-10 cm) long by 0.6-2.4 in (1.5-6 cm) wide and lobed pinnately or bipinnately. Leaf margins may be serrate.


What is the invasive/noxious status of Wisteriafloribunda(Willd.) DC. and where is it classified as such?

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


Where can I view images of KyllingabrevifoliaRottb.?


What is the growth habit of tropical burnweed?


Does swamp morning-glory pose any ecological threat?

Ipomoea aquaticacan become an invasive problem in some tropical and temperate regions outside of its native range. Its common name, water spinach indicates that use as a food is one reason it has been spread to other parts of the world. It is listed as a noxious weed in the United States.Ipomoea aquaticahas been reported in Florida, California, Hawaii and Washington. It has also been reported in Micronesia, French Polynesia and South America.


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

Invasive (Delaware), Invasive (DOC, IPC) (Missouri)


What is the common name of BromusbriziformisFisch. & C.A. Mey.?


Is skeletonleaf bursage native to the United States?


Describe the appearance of johnsongrass?

Sorghum halepenseis a tall (up to 8 ft. [2.4 m]), rhizomatous, perennial grass that invades open areas throughout the United States.


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


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


What is the growth habit of strawberry guava?


Where can I view images of miniature flatsedge?


Is this plant invasive to the United States?


What is the common name of HypericumgrandifoliumChoisy?


Is wild parsnip native to the United States?


Where can I view images of redroot pigweed?


Where can I view images of japanese brome?


Large flowers (2 in. [5.1 cm] long) are fragrant and light violet-pink, appearing in showy upright clusters (8-12 in. [20.3-30.5 cm] in length) in early spring (April-May) before leaves emerge. They have tubular corollas, ending in 5 unequal lobes. Flower buds are hairy and linear, becoming round.


Does Taeniatherumcaput-medusae(L.) Nevski pose any ecological threat?

T. caput-medusawas first collected in Oregon, in 1887. Plants invade dry, open lands with frequent disturbance such as fields and pastures. It is native to the Mediterranean.


The simple leaves are opposite. They are long, narrow and pointed at the tip.


Where can I view images of SalixmatsudanaKoidzumi?


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


Is antilles calophyllum native to the United States?


Is prairie sunflower native to the United States?


Where can I view images of black henbane?


Describe the flowers of sweet breath of spring?

Flowering occurs in the late winter, when fragrant, tubular, 0.5 in. (1.5 cm) long, white to red or yellow, thin-petaled flowers develop in pairs in the leaf axils.


Is amur corktree native to the United States?


Does Knautiaarvensis(L.) Coult. pose any ecological threat?

K. arvensisinfestations establish easily along roadsides, in pastures, fields, meadows and fallow areas. The seeds have an eliosome, which is collected by ants as food, then carried back to their nest. This process aids in the plant's dispersal.


A single plant can produce up to 2,000 seeds and can remain viable in the soil for at least two years.


Is weeping grass native to the United States?


Describe the flowers of GalegaofficinalisL.?

Purple to white, pea-like flowers are arranged in terminal or axillary racemes and are present from June to July.


Describe the appearance of yellow nutsedge?

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


Where can I view images of Sphaerophysasalsula(Pallas) DC.?


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


Describe the appearance of Bassiascoparia(L.) A.J. Scott?

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


Is fieldnettle betony native to the United States?


What is the scientific name of natal-plum?


What is the growth habit of BetulapendulaRoth?


What is the U.S. Department of Agriculture (USDA) plant symbol for Limnobiumspongia(Bosc) L.C. Rich. ex Steud.?


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 Hordeummurinumssp. leporinum(Link) Arcang.?


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


Describe the fruit of largeleaf lantana?

Fruits are small, round drupes, green to black and shiny and contain 2 seeds.


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


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


Describe the flowers of EuphorbiamyrsinitesL?

Flowers are yellow green, cupped inside a yellow bract, and grow in clusters. Flowers bloom from mid spring to early summer.


Is java waterdropwort native to the United States?


Is jimsonweed native to the United States?


Where can I view images of winter creeper?


What is the scientific name of new zealand flax?


What is the growth habit of Rotalarotundifolia(Buch.-Ham. ex Roxb.) Koehne?


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


What is the common name of RhamnuscatharticaL.?


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


Is Emexspinosa(Linnaeus) Campdera native to the United States?


The seeds can germinate in the fall or in the spring; fall germination is generally more common.B. tectorumhas a fibrous root system is finely divided. When a seed germinates in the fall, the developing root system is able to expand over the winter, giving the plant an increased ability to exploit available water and nutrients in the spring.


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


Where can I view images of RubusrosifoliusSm.?


Is european sea-lavender native to the United States?


Describe the flowers of BerberisvulgarisL?

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


Is AgeratumconyzoidesL. native to the United States?


Is this plant invasive to the United States?


What is the common name of MalussylvestrisP. Mill.?


What is the common name of Philadelphusspp.?


Is japanese barberry native to the United States?


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

Category 2 (Alabama), Invasive (DOC, IPC) (Missouri), Invasive (North Carolina), Prohibited (Wisconsin)


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


What is the growth habit of weeping willow?


Describe the foliage of iberian starthistle?

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


Does Koelreuteriaelegans(Seem.) A.C. Sm. pose any ecological threat?

Koelreuteria eleganscan thrives in a variety of habitats such as disturbed sites, wetlands, uplands, or adjacent to landscape plantings.


Fruit are flat, 6 in. (15.2 cm) long seed pods that develop in the late summer.


Does matgrass 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.


Where can I view images of yellow foxtail?


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


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


The fruit is a shiny black ovoid achene. The seeds are rounded and brown to black in color.


Is DactylisglomerataL. native to the United States?


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


What is the common name of SilenenoctifloraL.?


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


What is the common name of Chamaecyparislawsoniana(A. Murr.) Parl.?


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


What is the scientific name of velvet bentgrass?


Where can I view images of HederacanariensisWilld.?


Is SpiraeajaponicaL. f. 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 Carpobrotusedulis(L.) N.E. Br?


What is the invasive/noxious status of Ampelopsisglandulosavar. brevipedunculata(Maxim.) Momiy. and where is it classified as such?

Invasive (Connecticut), Invasive (Delaware), Invasive (North Carolina), Prohibited (New York), Prohibited (Wisconsin), Watch List (Alabama)


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


What is the common name of Cytisusmultiflorus(L'Hér.) Sweet?


Is GypsophilapaniculataL. native to the United States?


Does FicuscaricaL. pose any ecological threat?


What is the scientific name of amur maple?


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

Small, white, inconspicuous flowers arise from the ocreae.


Describe the flowers of bighead knapweed?

Single, showy, bright yellow flower head at tops of stems. Bracts (found under the flower head) are golden brown and fringed. Flowering occurs from July to September.


What is the scientific name of tiny vetch?


Describe the foliage of yellow floating heart?

The leaves, which arise from rhizomes and are usually opposite and unequal. The leaves are cordate to subrotund in shape measuring from 2-6 in. (5-15 cm) long and wide.


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


Is SpartinaanglicaC.E. Hubbard native to the United States?


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


Is Brassicanigra(L.) W.D.J. Koch native to the United States?


Is wild basil native to the United States?


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


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


What is the common name of MelinisminutifloraBeauv.?


What is the common name of PhyllostachysaureaCarr. ex A.& C. Rivière?


Describe the appearance of VitexrotundifoliaL. f.?

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


Leaves are abundant, whorled, pinnately compound, and finely dissected. Submersed leaves are 0.6-1.4 in. (1.5-3.5 cm) long and have 20 to 30 divisions per leaf. Emergent leaves are 0.8-2 in. (2-5 cm) long, less divided and greener than the submersed leaves.


What is the growth habit of SalviaaethiopisL.?


What is the growth habit of PhalarisarundinaceaL.?


Is ivyleaf morning-glory native to the United States?


Is CastillaelasticaSessé native to the United States?


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


Describe the foliage of kingdevil hawkweed?

Leaves are mostly basal, pale green to whitish with soft hairs. The smooth stems are mostly leafless or with 1-2 small leaves.


Is Persicariaorientalis(L.) Spach native to the United States?


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


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


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 rough maidenhair fern?


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


Where can I view images of SeneciovulgarisL.?


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


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


Is brazilian vervain native to the United States?


What is the scientific name of common pear?


What is the growth habit of Cocciniagrandis(L.) Voigt?


What is the growth habit of common groundsel?


Is chameleon-plant native to the United States?


What is the scientific name of pangolagrass?


Describe the fruit of CyperusentrerianusBoeckl.?

Fruits are brown achenes. Large plants can produce a million viable seeds a year. It also reproduces vegetatively through fragmentation and budding of rhizomes.


Describe the flowers of CrupinavulgarisCass.?

Flowers are purple to pink, long, slender (vase-shaped) and bloom from May until soil moisture is depleted.


What is the scientific name of garden baby's-breath?


What is the growth habit of PopulusdeltoidesBartr. ex Marsh.?


What is the common name of NepetacatariaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for creeping yellow loosestrife, creeping jenny?


What is the growth habit of Plucheacarolinensis(Jacq.) G. Don?


Is myrtle-leaf milkwort native to the United States?


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


Describe the foliage of tasmanian bluegum?

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


What is the scientific name of russian wheatgrass?

Thinopyrumjunceiforme(A. Löve & D. Löve) A. Löve


What is the scientific name of lily of the valley?


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


Where can I view images of houndstongue?


Ulmus parvifoliais an erect tree from 30-60 ft. tall with a slender trunk and crown. The bark is exfoliating and flakey with colors ranging from gray, green, orange, and tan to red-brown.


Where can I view images of african mustard?


What is the scientific name of yellowtuft?


What is the scientific name of cherry laurel?


Is AcaciaparadoxaDC. native to the United States?


Describe the foliage of LigustrumjaponicumThunb.?

Leaves are opposite, oval, up to 2 in. (5.1 cm) long, with a pointed apex and often with margins that are slightly rolled.


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


What is the growth habit of Centaureastoebessp. micranthos(Gugler) Hayek?


What is the scientific name of african tamarisk?


Describe the foliage of PotentillarectaL.?

A loose rosette of long-petiolate leaves develops first and withers before flowering. Plants can be one or multi-stemmed. Stems are covered with long and short hairs and are unbranched. Cauline leaves are palmately compound (with 5-7 leaflets), stipulate and short petioled to sessile. The central leaflet is 1.2-5.9 in. (3-15 cm) long (longer than the other leaflets).


Where can I view images of primrose-willow?


What is the invasive/noxious status of Broussonetiapapyrifera(L.) L'Hér. ex Vent. and where is it classified as such?


Describe the appearance of yellow starthistle?

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


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


Describe the appearance of Albizialebbeck(L.) Benth?

Albizia lebbeckis a deciduous, unarmed tree to 98.5 ft (30 m) tall, with a rounded, spreading crown and with grey fissured corky bark. Usually multi-stemmed, it can be grown as a single straight stem. It is probably native to Asia, but has now been introduced to Florida, the Pacific Islands, Australia, Japan, China, Indonesia, Malaysia, New Zealand and Indian Ocean islands.


What is the common name of MyosotissylvaticaEhrh. ex Hoffmann?


Is crownbeard native to the United States?


Describe the foliage of CyperusrotundusL.?

The leaves are three-ranked, shiny, dark green, and corrugated in cross section. They are 0.24-0.39 in. (6-10 mm) wide and 3.9-13.8 in. (10-35 cm) long. The rachis, which grows through the center of the leaf bundle, is erect, simple, smooth, triangular in cross section, and 3.9-23.6 in. (10-60 cm) long.


What is the common name of Crataegusphaenopyrum(L. f.) Medik.?


Where can I view images of common teasel?


Where can I view images of european bird cherry?


Is this plant invasive to the United States?


Where can I view images of Polygonumspp.L.?


Does AcerginnalaMaxim. pose any ecological threat?

Due to the specie's small size, fragrant flowers and attractive fall foliage (particularly when grown in full sun),Acer ginnalais desirable as an ornamental tree and continues to be sold and planted. As a result, it may continue to spread from cultivation into a variety of habitats. It is more shade tolerant than most maples, giving it the potential for spreading into intact forests.


What is the growth habit of spiny plumeless thistle?


Is Kalanchoepinnata(Lam.) Pers. native to the United States?


Describe the flowers of garden loosestrife?

The inflorescence is a terminal, leafy panicle that appears June-September. The flowers are have five yellow petals and are 0.5-0.75 in. (1.2-2 cm) across. The lobes of the calyx are red-margined and 0.15-0.2 in. (3.5-5 mm) long.


The fruits are small green berries that turn yellow when ripe.


What is the scientific name of african cornflag?


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


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


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

Flowering occurs in April to October, when large, silver, plume-like inflorescences develop. The inflorescences can be up to 3 ft. (0.9 m) long.


What is the growth habit of GlyceriadeclinataBrébiss.?


Where can I view images of Montanoahibiscifolia(Benth.) Standl.?


What is the scientific name of carpetgrass?


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


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


Where can I view images of sacred bamboo?


What is the common name of DaphnemezereumL.?


What is the growth habit of SilenenoctifloraL.?


What is the common name of Volutariatubuliflora(Murb.)?


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


What is the growth habit of Sonchusasper(L.) Hill?


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


What is the scientific name of common cordgrass?


Where can I view images of incised fumewort?


What is the U.S. Department of Agriculture (USDA) plant symbol for ClerodendrumspeciosissimumVan Geert ex Morr.?


Is Phoenixcanariensishort. ex Chabaud native to the United States?


What is the scientific name of smooth bedstraw?


Where can I view images of JasminumfluminenseVell.?


What is the growth habit of ArumitalicumP. Mill.?


What is the scientific name of ripgut brome?


Fruits are tiny, 0.1 in. (2-3 mm) long, about 0.04 in. (1 mm) in diameter, with a white to light brown pappus.


What is the scientific name of chinese elm?


What is the common name of Thymelaeapasserina(L.) Coss. & Germ.?


Is JasminumfluminenseVell. native to the United States?


What is the common name of Tripidiumravennaessp. ravennae(L.) H. Scholz?


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


Describe the appearance of golden bamboo?

Phyllostachys aureais a perennial, reed-like plant that can reach heights of 16-40 ft. (5-12 m). The canes (stems) are hollow with solid joints and can be 1-6 in. (2.5-15.2 cm) in diameter.


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


Describe the foliage of musk thistle, nodding thistle?

Leaves are green and lanceolate to oblong-lanceolate. They are often pinnatifid and are very prickly. Leaves are usually sessile to slightly clasping. Basal leaves are 4-16 in. (10-40 cm) long. Leaf characteristics are variable across different varieties and subspecies.


Is rangoon creeper native to the United States?


Does GaleopsistetrahitL. pose any ecological threat?

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


Is this plant invasive to the United States?

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


Is australian cheesewood native to the United States?


The fruit are dark red in color, spherical in shape and measure 0.25 in. (6 mm) in diameter. The fruit become ripe on the plant in the late fall.


What is the scientific name of star jasmine?


Describe the flowers of Cirsiumarvense(L.) Scop.?

It has male and female plants. Female flowers are flask-shaped, 0.4-0.6 in. (1-1.5 cm) in diameter, and 0.4-0.75 in. (1-2 cm) tall. Female flowers are fragrant, the male flowers are not. Male flowers are smaller and more globose than the female flowers. Flowers range from purple to pink or white. It blooms from June to August.


Is Kyllinganemoralis(J.R. Forst. & G. Forst.) Dandy ex Hutch. & Dalziel native to the United States?


Does Rorippaaustriaca(Crantz) Bess. pose any ecological threat?

R. austriacaprefers disturbed areas including roadsides and mudflats. It is native to Europe.


What is the common name of CentauriumerythraeaRafn?


Does IlexaquifoliumL. pose any ecological threat?

Ilex aquifoliumcan grow in shaded or sunny areas and is often found in forests. It is native to south and central Europe.


What is the common name of Vincetoxicumrossicum(Kleopov) Barbarich?


Is cornflower native to the United States?


What is the growth habit of MarrubiumvulgareL.?


Does black mustard pose any ecological threat?

Brassica nigraprefers disturbed areas including meadows, thickets, areas along railroads and roadsides. It is native to Eurasia.


What is the growth habit of japanese maple?


What is the scientific name of strawflower?


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


Is Torilisjaponica(Houtt.) DC. native to the United States?


Where can I view images of linden viburnum?


What is the growth habit of BromusarvensisL.?


Is Nephrolepisfalcata(Cav.) C. Christens. native to the United States?


What is the scientific name of beach vitex?


Is geraldton carnation weed native to the United States?


Where can I view images of siebold's arrowwood?


Is maunaloa native to the United States?


Is DaphnelaureolaL. native to the United States?


What is the growth habit of SchinusmolleL.?


Where can I view images of BrizamaximaL.?


Where can I view images of Digitariasanguinalis(L.) Scop?


Describe the fruit of Cupaniopsisanacardioides(A. Rich.) Radlk.?

Fruits are short-stalked, 3 segmented, woody capsules that are up to 1 in. (2.5 cm) across. They turn yellow-orange when ripe and contain 3 black seeds covered by a orangey crust.


What is the growth habit of AcaciamelanoxylonR. Br. ex Ait. f.?


What is the scientific name of thinfruit sedge?


What is the growth habit of cape bugle-lily?


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).


Where can I view images of Callicarpadichotoma(Lour.) K. Koch?


Is CentaureadiffusaLam. native to the United States?


Is this plant invasive to the United States?


Where can I view images of Fatouavillosa(Thunb.) Nakai?


What is the growth habit of Setariaparviflora(Poir.) Kerguélen?


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


What is the scientific name of sour paspalum?


What is the common name of HelianthustuberosusL.?


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


Does SpartinaalternifloraLoisel. pose any ecological threat?

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


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


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


What is the scientific name of moleplant?


What is the growth habit of cane fruit (blackberry, raspberry)?


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


Describe the fruit of DigitalislanataEhrh.?

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


Describe the appearance of UlmusparvifoliaJacq.?

Ulmus parvifoliais an erect tree from 30-60 ft. tall with a slender trunk and crown. The bark is exfoliating and flakey with colors ranging from gray, green, orange, and tan to red-brown.


Is west indian raspberry native to the United States?


Describe the fruit of LonicerafragrantissimaLindl. & Paxton?

The abundant berries are 0.3 in. (8.5 mm) in diameter and ripen to orange or red in the mid-summer and often persist throughout winter.


Is australian teatree native to the United States?


Describe the fruit of Hydrocharismorsus-ranaeL.?

Seeds are approximately 0.04 in. (1 mm) long.


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


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


Is this plant invasive to the United States?


Describe the flowers of LigustrumovalifoliumHassk.?

Flowers are creamy-white with an unpleasant scent, subsessile in panicles 2-4 in. (5-10 cm) long. Corollas are 0.3 in. (8 mm) long with anthers as long as lobes.


What is the common name of Lespedezathunbergii(DC.) Nakai?


Is PoabulbosaL. native to the United States?


Where can I view images of Caesalpiniadecapetala(Roth) Alston?


Does Kummerowiastriata(Thunb.) Schindl. pose any ecological threat?

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