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


Describe the fruit of CichoriumintybusL.?

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


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


Is purple deadnettle native to the United States?


Poa annuais an erect or clump-forming annual grass that tolerates close mowing, or may reach 11 in. (27.9 cm) in height. It can also be identified by having light green grass with a boat-shaped leaf tip that resembles other lawn and turf grass species. This weed is very similar to Kentucky Bluegrass (Poa pratensis), but is much lighter in color and lacks rhizomes.


What is the common name of Ventenatadubia(Leers) Coss. & Durieu?


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


What is the common name of VincaminorL.?


What is the scientific name of green bristlegrass?

Setariaviridisvar. viridis(L.) P. Beauv.


The alternate leaves are gray-green, oval, 1-4 in. (2.5-10.2 cm) long and smell of camphor when crushed.


Describe the flowers of creeping waterprimrose?

L. peploideshas solitary flowers are held on stems arising from the upper leaf axils. Stems can be floating or lying on the ground. Flowers have five bright notched yellow petals, 0.4-0.6 in. (1-1.5 cm) long.


Describe the flowers of AlliumvinealeL.?

In May to June plants produce purple, tubular flowers that are less than 0.25 in. (5 mm) long.


What is the common name of LoniceracaprifoliumL.?


What is the common name of Setariaparviflora(Poir.) Kerguélen?


Is LigustrumovalifoliumHassk. native to the United States?


Is PassiflorabicornisP. Mill. native to the United States?


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


Where can I view images of Akebiaquinata(Houtt.) Dcne.?


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 yellow toadflax?


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


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

Invasive  (Michigan), Restricted (Wisconsin)


What is the growth habit of oriental mustard?


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


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


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


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


What is the growth habit of CallitrichestagnalisScop.?


Where can I view images of Capsellabursa-pastoris(L.) Medik.?


Where can I view images of CynosurusechinatusL.?


Where can I view images of bristle basketgrass?


What is the growth habit of smallflower morningglory?


What is the growth habit of UlmusparvifoliaJacq.?


What is the common name of TrifoliumrepensL.?


What is the scientific name of smokebush?


What is the scientific name of peppermint?


What is the growth habit of BromussterilisL.?


Is TanacetumvulgareL. native to the United States?


Describe the foliage of Cocciniagrandis(L.) Voigt?

The stems are mostly glabrous and produced annually from a tuberous rootstock. The tendrils are simple and axillary. The alternate leaves are simple with the blade broadly ovate, 5-lobed, 2-3.5 in. (5-9 cm) x 1.6-3.5 in. (4-9 cm). Foliar surfaces are glabrous or scaly.


Describe the appearance of SpartinaalternifloraLoisel.?

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.


Does wild four-o'clock pose any ecological threat?

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


Is this plant invasive to the United States?


What is the common name of RosaspinosissimaL.?


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


What is the scientific name of woodland bittercress?


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


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


Does shining geranium pose any ecological threat?

Geranium lucidumgrows in the Pacific Northwest predominantly as an understory species intermixed with grasses, forbs and moss.


What is the common name of HordeummarinumHuds.?


Does oriental virginsbower pose any ecological threat?

C. orientalisis generally seen invading riparian areas in shrublands and riparian forests in hot, dry valleys, desert and semidesert areas. It has spread rapidly since the mid 1970’s, becoming invasive and overgrowing young trees and other native plant species.


Is wingleaf passionflower native to the United States?


What is the growth habit of common selfheal?


Where can I view images of Persicariaorientalis(L.) Spach?


Is EuphorbiaoblongataGriseb native to the United States?


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


Describe the fruit of CommelinabenghalensisL.?


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


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


Is this plant invasive to the United States?


What is the growth habit of ArdisiacrenataSims?


Is Mirabilisnyctaginea(Michx.) MacM. native to the United States?


Is intermediate wheatgrass native to the United States?


Describe the appearance of Asparagusasparagoides(L.) Druce?

Asparagus asparagoidesis a herbaceous climbing plant that is native to southern Africa. It has a vine that can reach up to 10 ft. (3 m) in length.


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


Does big periwinkle pose any ecological threat?

Found around old homesites and scattered in open to dense canopied forests. Forms mats and extensive infestations even under forest canopies by vines rooting at nodes. Introduced from Europe in 1700s. Ornamental ground cover, commonly sold and planted by gardeners.


Does creeping buttercup pose any ecological threat?

It can form large monocultures that crowd out native plants, especially in coastal headlands. It is often mistaken for native buttercups.Ranunculus repensoccurs most commonly in rich, damp soil, but can be found in moist sand or gravel.


Is japanese sedge native to the United States?


Describe the flowers of MeliaazedarachL.?

Flowering occurs in the spring, when showy, lavender, 5-petaled flowers develop in panicles.


Where can I view images of PassiflorasuberosaL.?


Seeds are contained in flattened, hairy, 6 in. (15.2 cm) long, bean-like pods. Invasions often occur around previous plantings.


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


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


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

The wind-dispersed seeds ofCortaderia selloanacan be found at distances up to 20 mi. (32.2 km) away from the parent plant. Each female flower head can produce up to 100,000 seeds.


Describe the foliage of russian knapweed?

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


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


What is the scientific name of moth mullein?


Describe the appearance of UtriculariainflataWalter?

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


Describe the foliage of swamp morning-glory?

The petiolate leaves are hastate (halberd shaped) with the central lobe lanceolate. The basal lobes are much smaller and sometimes almost absent. Leaves are from 1.5-5 in. (4-12 cm) inches long.


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


Describe the foliage of GlossostigmacleistanthumW.R. Barker?

The leaves are spatula shaped and simple with entire margins. Leaves are opposite with two leaves per node along the stem.


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 smooth brome native to the United States?


Where can I view images of Torilisjaponica(Houtt.) DC.?


Where can I view images of Ludwigiaperuviana(L.) Hara?


What is the common name of Pyracanthaspp.L.?


What is the growth habit of canary island date palm?


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


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


Is european aspen native to the United States?


The leaves of the basal rosette have petioles, cauline (stem) leaves are sessile and both are deeply lobed and alternate. The leaf lobes are oblong and web-shaped. The margins of the leaves are dentate. The leaves can measure between 1.5-8 in. (4-20 cm) long and 0.75-2.25 in. (2-6 cm) wide. The leaf is medium green above, lighter underneath and occasionally tomentose.


Describe the appearance of HedychiumgardnerianumShepard ex Ker-Gawl.?

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


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


Describe the flowers of weeping lovegrass?

Flower spikelets are elongated, flattened, and have 4 to 13 small flowers. Flowering occurs during early summer and continues through fall.


Where can I view images of chinese holly?


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


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


What is the growth habit of yellow toadflax?


Where can I view images of hanging sedge?


Where can I view images of CasuarinaglaucaSieb. ex Spreng?


What is the growth habit of Echinochloacrus-galli(L.) Beauv?


Is Drymariacordata(L.) Willd. ex J.A. Schultes native to the United States?


What is the growth habit of MimosadiplotrichaC. Wright ex Sauvalle?


Is PassiflorabifloraLam. native to the United States?


What is the scientific name of hispanic hyacinthoides?


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


Is this plant invasive to the United States?


What is the scientific name of centipede tongavine?


What is the scientific name of spurgecreeper?


Flowers are creamy white and held in panicles about 2 in (5.1 cm) long. Flowers have an aroma that many people find unpleasant. Flowers bloom from May-June.


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


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


Where can I view images of CrataegusmonogynaJacq.?


Is bee-bee tree native to the United States?


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


Is hoary cress native to the United States?


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


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


What is the scientific name of barbados lily?


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


What is the growth habit of SecalecerealeL.?


Is sicklepod native to the United States?


Describe the flowers of fivestamen tamarisk?

Flowers are white to pink in color and develop on slender racemes that are 0.8-2 in. (2-5 cm) long. Flowers have 5 stamens.


What is the common name of Sileneflos-cuculi(L.) Clairv.?


Is stringy stonecrop native to the United States?


Is this plant invasive to the United States?


Where can I view images of indian mustard?


What is the common name of CornussericeaL.?


What is the common name of SisymbriumirioL.?


Where can I view images of PyruscalleryanaDecne.?


What is the scientific name of woodbine?


Is Cytisusmultiflorus(L'Hér.) Sweet native to the United States?


Is white poplar native to the United States?


What is the growth habit of cherokee rose?


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


What is the growth habit of ImpatiensglanduliferaRoyle?


The plants possesses leafy, unbranched stems (often tinged with red). It grows in patches, attaining a height of 27.6 in. (70 cm). The broad, lanceolate, sessile leaves are opposite and between 1.6-4.7 in. (4-12 cm) long.


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


Where can I view images of banana passionflower?


Is Cortaderiajubata(Lem.) Stapf native to the United States?


What is the scientific name of little quakinggrass?


Is large yellow vetch native to the United States?


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


Is Watsoniaborbonica(Pourret) Goldblatt native to the United States?


Is ScabiosaatropurpureaL. native to the United States?


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


What is the scientific name of european sea-rocket?


Is PapaverdubiumL. native to the United States?


Is this plant invasive to the United States?


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


What is the scientific name of common mullein?


Is tatarian honeysuckle native to the United States?


Describe the flowers of SolanumelaeagnifoliumCavanaugh?

Flowers are bright blue to purple in color and occasionally white, star-shaped, 5 petals, and 0.8-1.6 in. (20-40 mm) in diameter. Blooming occurs from spring to autumn.


What is the scientific name of mahaleb cherry?


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


The 5-petaled flowers are pale pink to white, in dense plumes that bloom from early spring to late fall.


What is the growth habit of HedychiumgardnerianumShepard ex Ker-Gawl.?


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


Is hairy cat's ear native to the United States?


Describe the appearance of AegilopstriuncialisL?

Aegilops triuncialisis an annual that can grow up to 16 in. (40.6 cm) tall. It is native to Mediterranean Europe.


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


Describe the appearance of tree tobacco?

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


Is common pear native to the United States?


Where can I view images of JasminumdichotomumVahl?


Describe the appearance of Eichhorniacrassipes(Mart.) Solms?

Eichhornia crassipesis a free floating aquatic plant that has invaded aquatic areas throughout the eastern and southern portions of the United States. Plants can grow to 3 ft. (1 m) in height.


What is the common name of SedumsarmentosumBunge?


Is junglerice 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 RanunculussardousCrantz?


What is the common name of FestucapratensisHuds.?


What is the common name of Chamaecristanictitans(L.) Moench?


Is SalsolasodaL. native to the United States?


Is princess-feather native to the United States?


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


What is the common name of PhellodendronlavalleiDode?


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


Describe the flowers of Strigaasiatica(L.) Kuntze?

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


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


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


What is the common name of Pseudelephantopusspicatus(Juss. ex Aubl.) C.F. Baker?


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 KolkwitziaamabilisGraebn.?


What is the common name of ClerodendrumspeciosissimumVan Geert ex Morr.?


Describe the fruit of ChondrillajunceaL.?

Fruit is oblong, tapered at both ends, pale to dark brown, and 0.11-0.15 in. (3-4 mm) long. Seed production continues from July into November.


Is CryptostegiamadagascariensisBojer ex Dcne. native to the United States?


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


Is amur maple native to the United States?


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


Is this plant invasive to the United States?


Is Achyranthesjaponica(Miq.) Nakai native to the United States?


Does HedychiumgardnerianumShepard ex Ker-Gawl. pose any ecological threat?

This plant forms clumps with deep matted roots. It is found in moist places. This plant is spread by people dumping garden waste, it is also spread by birds and by water run-off carrying seed and plant pieces. The best way to remove this plant is to dig it out.


Where can I view images of broadleaf carpetgrass?


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


What is the common name of CecropiaobtusifoliaBertol.?


Where can I view images of PsidiumguajavaL.?


Where can I view images of Plucheaindica(L.) Less.?


What is the common name of PotentillarectaL.?


What is the common name of Bruguieragymnorhiza(L.) Savigny?


What is the growth habit of AmbrosiatomentosaNutt.?


What is the common name of EhrhartacalycinaSm.?


Describe the fruit of HelianthusciliarisDC.?

The fruits are glabrous cypselae containing a single seed. Seeds are smooth and hairless, 0.12-0.14 in. (3-3.5 mm) long.H. ciliarisalso readily reproduces vegetatively by rhizomes.


Ficus caricais well known for its large, fragrant leaves. The leaves are 4.7-9.8 in. (12-25 cm) long and 3.9-7.1 in. (10-18 cm) across, and deeply lobed with three or five lobes.


What is the growth habit of Elymusrepens(L.) Gould?


Does BromusinermisLeyss. pose any ecological threat?

This grass prefers sunny areas along roadsides and also in fields, pastures and prairies.Bromus inermisis a native of Europe and was introduced into the United States in the late 1800’s.


What is the growth habit of Cytisusstriatus(Hill) Rothm?


Describe the flowers of mediterranean sage?

Flowering stems are highly branched and develop in June to August. The flowers are yellow to whitish and bilabiate (two lipped corolla).


What is the growth habit of Murrayapaniculata(L.) Jack?


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


Describe the appearance of SalsolacollinaPallas?

Salsola collinais an erect annual forb. It is a round, bushy, much-branched plant growing 1-3.5 ft. (0.3-1.1 m) high.


Does black medic pose any ecological threat?

Medicago lupulinais usually found in highly disturbed areas and can be found in prairies, cropland, pastures, areas along railroads and roadsides. It is native to Eurasia.


What is the scientific name of day jessamine?


What is the common name of Capsellabursa-pastoris(L.) Medik.?


What is the growth habit of nettleleaf velvetberry?


Is annual sowthistle native to the United States?


What is the scientific name of beach strawberry?


Describe the fruit of LamiumamplexicauleL.?

Seeds are found in nutlike fruits (mericarps) and are light to dark brown.


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


Is this plant invasive to the United States?


Does prickly lettuce pose any ecological threat?

Lactuca serriolais native to the Mediterranean region and occurs along roadsides, in abandoned fields, and other disturbed areas. It was accidentally introduced into North America in the late 1890s, possibly as a contaminant in seed.


What is the growth habit of buttercup oxalis?


What is the common name of Kummerowiastriata(Thunb.) Schindl.?


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

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


Is BrizamaximaL. native to the United States?


Describe the appearance of Tibouchinaurvilleana(DC.) Cogn.?

Tibouchina urvilleanais a sprawling evergreen shrub or small tree that can reach 10-15 ft. (3-4.6 m) in height


Is CrepistectorumL. native to the United States?


Where can I view images of senegal date palm?


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

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


Where can I view images of Morellafaya(Ait.) Wilbur?


What is the common name of Terminaliamyriocarpavan Heurck & Muell.-Arg.?


Where can I view images of sparrow vetch?


Is weeping lovegrass native to the United States?


Is yellow sweet-clover native to the United States?


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

There is no sexual reproduction; propagation is purely vegetative. 0.5 in. (1.2 cm) long stem and stolon fragments can grow into new algae. These fragments are easily transported by boating and fishing activities.


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 LactucacanadensisL. native to the United States?


Is this plant invasive to the United States?


Is black acacia native to the United States?


Where can I view images of brazilian jasmine?


What is the growth habit of common pearlbrush?


Does Mahoniabealei(Fortune) Carr. pose any ecological threat?

Mahonia bealeiis native to China. It has been planted as an ornamental and is now invading woodlands in the southern United States.


What is the growth habit of Cirsiumpalustre(L.) Scop.?


What is the growth habit of catchweed bedstraw?


Describe the fruit of yellow floating heart?

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


Where can I view images of EuphorbiapeplusL.?


Is princess-flower native to the United States?


Describe the flowers of oriental lady's thumb?

Flowering occurs from June to October, when pink flowers develop at the apex of the stems. Flowers are 0.13 in. (0.3 cm) long and occur in groups.


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


Where can I view images of CynoglossumofficinaleL.?


Is denseflower knotweed native to the United States?


What is the growth habit of SalsolacollinaPallas?


What is the growth habit of perennial veldtgrass?


Describe the flowers of Wisteriafloribunda(Willd.) DC.?

Lavender, pink or white flowers are fragrant, very showy and abundant and occur in dangling clusters in the spring. Flowers clusters are 9-20 in. (22.9-50.8 cm) long.


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


Does DactylisglomerataL. pose any ecological threat?

Dactylis glomeratais native to Europe and was first introduced to the United States in the late 1700s. It prefers areas that are well-drained with moderately fertile to rich soils.


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


Is this plant invasive to the United States?


What is the common name of RubusulmifoliusSchott?


Is Cunninghamialanceolata(Lamb.) Hook. native to the United States?


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


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


Is CardamineflexuosaWith. native to the United States?


The fruit is a subglobose or ovoid drupe containing 1-4 seeds. Fruit clusters generally ripen during September and October and persist through the winter. Mature specimens can produce hundreds of fruit.


Describe the fruit of RosabracteataJ.C. Wendl.?

Fruit are small green to red rose hips and are present from July to December.


What is the growth habit of Ageratinaaltissimavar. altissima(L.) King & H. Rob.?


What is the growth habit of RhamnuscatharticaL.?


What is the scientific name of french broom?


Where can I view images of LepidiumappelianumAl-Shehbaz?


Describe the fruit of musk thistle, nodding thistle?

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


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


What is the common name of KolkwitziaamabilisGraebn.?


This plant can be grown from seed or bulbs. Seeds are round, dark brown to black in color.


What is the scientific name of rye brome?


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


What is the U.S. Department of Agriculture (USDA) plant symbol for dog's-tongue?


What is the growth habit of Sphaerophysasalsula(Pallas) DC.?


Is Potentillaindica(Andr.) Wolf native to the United States?


What is the growth habit of spotted knapweed?


What is the common name of ConvolvulusarvensisL.?


What is the growth habit of Crataegusphaenopyrum(L. f.) Medik.?


What is the scientific name of silverleaf nightshade?


Is this plant invasive to the United States?


Describe the fruit of japanese stiltgrass?

Fruit is produced from late September through early October.


Is dalmatian toadflax native to the United States?


Does Triadicasebifera(L.) Small pose any ecological threat?

Triadica sebiferainvades wet areas such as stream banks and ditches but can also invade drier upland sites.Triadica sebiferais a serious threat because of its ability to invade high quality, undisturbed forests. It can displace native vegetation as well as alter soil conditions due to the high amount of tannins present in the leaf litter.Triadica sebiferais a native of China and was introduced into South Carolina in 1776 for ornamental purposes and seed oil production.


Is chinese silvergrass native to the United States?


Where can I view images of chinese violet?


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


Is little ironweed native to the United States?


Describe the foliage of lesser celandine, fig buttercup?

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


Where can I view images of alexandrian laurel?


Is callery pear (bradford pear) native to the United States?


Describe the foliage of uruguayan pampas grass?

Cortaderia selloanaleaf blades can get up to 6 ft. (1.8 m) long and 1-3 in. (2.5-7.6 cm) wide. They are V-shaped in cross-section, and bluish green in color. The upper surface is smooth at base. The lower surface may be smooth or hairy towards collar. Leaf tips are bristly and curled and margins are rough and sharp.


Is Gamochaetapurpurea(L.) Cabrera native to the United States?


What is the common name of Pyracanthaangustifolia(Franch.) Schneid.?


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


What is the common name of AgrostemmagithagoL?


What is the invasive/noxious status of small carpetgrass, joint-head grass and where is it classified as such?

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


What is the common name of Oxysporapaniculata(D. Don) DC.?


Describe the appearance of parrotfeather?

Myriophyllum aquaticumis an herbaceous, rooted, submerged to emergent plant that invades aquatic habitats throughout much of the United States. Stems are stout and blue-green in color.


Is velvet bentgrass native to the United States?


Where can I view images of false green kyllinga?


Describe the foliage of BromusinermisLeyss.?

The leaves have a fine texture and are alternate, 0.25-0.75 in. (0.6-1.9 cm) wide, 6-15 in. (15.2-38.1 cm) long, glabrous, flat, and grayish blue on the upper surface and green on the lower surface.


What is the common name of Knautiaarvensis(L.) Coult.?


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


Describe the fruit of sulfur cinquefoil?

Fruits are small, dark brown achenes with pale veins. Seeds often have a webbed or net-like pattern on them.


What is the scientific name of common goldenthistle?


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


Describe the fruit of Euonymusalatus(Thunb.) Sieb.?

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


What is the growth habit of yellow glandweed?


Where can I view images of Cynodondactylon(L.) Pers?


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


Where can I view images of GlyceriadeclinataBrébiss.?


What is the scientific name of mile-a-minute vine, asiatic tearthumb?


Is this plant invasive to the United States?

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


Does standish's honeysuckle pose any ecological threat?

L. standishiiinvades a variety of habitats, displacing native shrubs and herbaceous plants, and limiting tree regeneration. It leafs out early and remains green longer than many native plants.L. standishiican deplete soil moisture and nutrients. It is allelopathic, so it can inhibit the growth of nearby plants.


What is the scientific name of clammy goosefoot?

Dysphaniapumilio(R. Br.) Mosyakin & Clemants


What is the growth habit of DioscoreapolystachyaTurcz.?


Where can I view images of Neonotoniawightii(Wight & Arn.)?


What is the common name of GeraniumlucidumL.?


What is the growth habit of PinusponderosaP.& C. Lawson?


Where can I view images of giant sensitiveplant?


Is sweet autumn virginsbower native to the United States?


What is the common name of OrnithogalumnutansL.?


Is PaspalumconjugatumBerg. native to the United States?


Where can I view images of CymbalariamuralisP.G. Gaertn., B. Mey. & Scherb.?


Is pride of madeira native to the United States?


Is amur honeysuckle native to the United States?


Where can I view images of sawtooth oak?


What is the common name of SolanummarginatumL. f.?


Does PoapratensisL. pose any ecological threat?

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


Where can I view images of PersicariamaculosaS.F. Gray?


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


Is this plant invasive to the United States?


Describe the flowers of CarduustenuiflorusW. Curtis?

The small flower heads (less than 1 in. [2.5 cm] long) are slender, purple, and lack stalks. Flowering occurs from May to July.


Describe the flowers of PersicariawallichiiGreuter & Burdet?

Flowers are white to pink, 0.12-0.2 in. (3-5 mm) long, fragrant, and found in clusters from 7.9-13.8 in. (20-35 cm) long. Flowers bloom from mid summer to late fall.


What is the common name of EhrhartalongifloraSm.?


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


Where can I view images of Sesbaniaherbacea(P. Mill.) McVaugh?


What is the common name of Filipendulaulmaria(L.) Maxim.?


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

Prohibited (Minnesota), Prohibited (Wisconsin)


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


What is the scientific name of crystalline iceplant?


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

Invasive, Prohibited (Connecticut), Prohibited (Wisconsin)


Describe the appearance of Hirschfeldiaincana(L.) Lagrèze-Fossat?

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


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


Where can I view images of BromustectorumL.?


Describe the appearance of ClematisorientalisL.?

Clematis orientalisis a deciduous perennial woody vine. It can climb and grows from 7-26 ft. (2-8 m) long and has longitudinally fissured or ridged gray-brown bark.C. orientalisis native to eastern and southeastern Europe as well as temperate and tropical Asia.


Describe the fruit of ElaeagnusumbellataThunb.?

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


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


Where can I view images of telegraph weed?


What is the common name of NeriumoleanderL.?


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

The lilac to purple flowers are held in a dense rounded inflorescence from 0.6-1.6 in (1.5-4 cm) wide. Individual flowers have four lobes, are funnel-shaped and are from 0.4-0.5 in (9-12 mm) long.


Describe the foliage of GaleopsistetrahitL.?

The opposite leaves are from 1-5 in (2.5-12.7) long. They are simple, short-petioled, ovate-lanceolate to lanceolate, and sparsely pubescent on both sides.


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


What is the scientific name of tea viburnum?


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


What is the common name of SigesbeckiaorientalisL.?


What is the common name of BoerhaviacoccineaP. mill.?


What is the growth habit of grassy arrowhead?


What is the common name of ViburnumplicatumThunb.?


What is the growth habit of old world climbing fern?


Where can I view images of Lygodiumjaponicum(Thunb. ex Murr.) Sw.?


Does cutleaf blackberry pose any ecological threat?

Rubus laciniatuscan be found on thinned areas, fields, pastures, and disturbed forest lines. It is native to Eurasia.


Where can I view images of creeping bellflower?


What is the scientific name of creeping liriope?


Does english ivy pose any ecological threat?

Hedera helixis an aggressive invader threatening all levels of forested and open areas, growing along the ground as well as into the forest canopy. Vines climb up tree trunks and envelop branches and twigs, blocking sunlight from the host tree’s foliage, impeding photosynthesis. An infested tree will exhibit decline for years before it dies. The weight of vines also makes trees susceptible to blowing over in storms. This plant has been confirmed as a reservoir for bacterial leaf scorch (Xylella fastidiosa), which affects a wide variety of trees.


Describe the fruit of LonicerajaponicaThunb.?

The small shiny globular fruits turn from green to black as they ripen. Each fruit contains 2-3 small brown to black ovate seeds.


What is the growth habit of guineagrass?


Is Bromusdiandrusvar. rigidus(Roth) Sales native to the United States?


What is the common name of TradescantiaspathaceaSw.?


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.


The fruit (clusters of drupelets) are juicy and bright, shiny red in color. They are about 0.4 in. (1 cm) thick and may have fine hairs. They ripen in June to July.


Is bear's breech native to the United States?


Describe the flowers of Berteroaincana(L.) DC?

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


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


Describe the foliage of CentaureanigraL.?

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


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

Class C (Alabama), Potentially Invasive (Connecticut)


Does Spartinapatens(Ait.) Muhl. pose any ecological threat?

Estuarine habitats of the East coast and the West coast of the United States are physically different. The Spartina species, native to the east coast provide the appropriate food and shelter for the native wildlife in that area. However on the west coast, these same grasses cause many problems. They convert the much of the mudflats expected on the west coast to high marsh which has a negative effect on feeding areas, nesting areas, nursery areas, resting sites and shellfish production. In addition they are able to successfully compete against native vegetation, sometimes completely replacing it in the habitat.


What is the common name of TriumfettasemitrilobaJacq.?


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


What is the scientific name of smallseed falseflax?


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


What is the scientific name of longstalk cranesbill?


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


What is the scientific name of japanese glorybower?


Describe the fruit of Berteroaincana(L.) DC?

Seed pods are hairy, swollen, and oblong with short beaks on the end. Oblong seeds are rough, dull gray-brown. It reproduces and spreads by seeds.


Is garden cosmos native to the United States?


What is the common name of CentaureajaceaL.?


Where can I view images of MalussylvestrisP. Mill.?


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


Is smokebush native to the United States?


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


Is karaka nut native to the United States?


What is the common name of ButomusumbellatusL.?


Is okie bean native to the United States?


What is the common name of Limoniumramosissimumssp. provinciale(Pignatti) Pignatti?


What is the growth habit of maritime pine?


Is moist sowthistle native to the United States?


Describe the foliage of DigitalislanataEhrh.?

The first year a rosette of leaves forms. The alternate leaves are simple and oblong with an acute apex. They are a medium green color and pubescent with white hairs underneath.


Is narrow-leaved iceplant native to the United States?


Describe the appearance of AegilopscylindricaHost?

Aegilops cylindricais a winter annual that can reach 4 ft. (1.2 m) in height.


Where can I view images of eastern white pine?


Is this plant invasive to the United States?


What is the common name of SilphiumperfoliatumL.?


Where can I view images of longflowered veldtgrass?


Where can I view images of redfruit passionflower?


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


Is siberian elm native to the United States?


Describe the flowers of silverleaf nightshade?

Flowers are bright blue to purple in color and occasionally white, star-shaped, 5 petals, and 0.8-1.6 in. (20-40 mm) in diameter. Blooming occurs from spring to autumn.


Is PartheniumhysterophorusL. native to the United States?


Describe the flowers of RanunculusrepensL.?

Flowers are bright yellow and appear in May to July. They are about 1 in. (2.5 cm) across and have 5-7 obovate petals that exceed the spreading sepals. Each of the petals measures 0.3-0.6 in. (8-15 mm) in length. The receptacle of the flower is usually hispid, but may rarely be glabrous.


Is Melochiaumbellata(Houtt.) Stapf native to the United States?


Describe the flowers of SalsolatragusL.?

Flowering occurs from midsummer to fall, when small, pink to greenish flowers develop from the leaf axils. Each flower is subtended by 3, spine-tipped leaves.


Describe the fruit of EhrhartacalycinaSm.?

Ehrharta calycinaseeds are small and dark brown. Fruits ripen in summer. It only reproduces through seed.


Does pale yellow iris, yellow flag iris pose any ecological threat?

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


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


Describe the foliage of Stellariapallida(Dumort.) Crépin?

Leaves are opposite, oval, to 0.8 in. (2 cm) long and pointed at the tip. Older leaves are petiolate.


Describe the foliage of MiscanthussinensisAnderss.?

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


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 bull thistle?


Where can I view images of Callisiafragrans(Lindl.) Woods?


Each flower head is comprised of 5 yellow, strap-shaped ray florets.


What is the common name of LepidiumappelianumAl-Shehbaz?


Describe the appearance of TamarixramosissimaLedeb.?

Tamarix ramosissimais a deciduous shrub that can grow up to 15-20 ft. (4.6-6.1 m) in height. The bark is smooth and reddish on younger plants, turning brown and furrowed with age.


What is the common name of PrunussubhirtellaMiq.?


What is the scientific name of white horehound?


Describe the flowers of amur silvergrass?

The inflorescence has soft, white flower heads without awns. It flowers between August and September.


Describe the appearance of GypsophilapaniculataL.?

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


Is rosarypea native to the United States?


Where can I view images of BidenscernuaL?


What is the common name of GeraniumcolumbinumL.?


What is the invasive/noxious status of Verniciafordii(Hemsl.) Airy-Shaw and where is it classified as such?


What is the U.S. Department of Agriculture (USDA) plant symbol for CymbalariamuralisP.G. Gaertn., B. Mey. & Scherb.?


Is this plant invasive to the United States?


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


Where can I view images of kahila garland-lily?


What is the common name of MenthaX verticillataL.?


What is the scientific name of dyer's greenweed?


What is the invasive/noxious status of Froelichiagracilis(Hook.) Moq. and where is it classified as such?


What is the growth habit of IpomoealacunosaL.?


What is the growth habit of PrunussubhirtellaMiq.?


Small, white to pink flowers develop on 2 in. (5.1 cm) long spikes from March to September.


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


What is the growth habit of slender speedwell?


Basal and lower stem leaves are 2.5-7 in. (6.4-17.8 cm) long, 1-3 in. (2.5-7.6 cm) wide, glabrous and deeply lobed, with broad, terminal segments. Leaf base is auriculate (lobed). The few middle and upper stem leaves are reduced in size.


Is KyllingabrevifoliaRottb. native to the United States?


What is the invasive/noxious status of Brachypodiumsylvaticum(Huds.) Beauv. and where is it classified as such?


What is the common name of Cupaniopsisanacardioides(A. Rich.) Radlk.?


What is the scientific name of crapemyrtle?


Is GiliacapitataSims native to the United States?


Is AdenantherapavoninaL native to the United States?


What is the growth habit of Kalopanaxseptemlobus(Thunb.) Koidz?


Describe the flowers of morrow's honeysuckle?

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


What is the scientific name of lavalle corktree?


What is the scientific name of catchweed bedstraw?


Is this plant invasive to the United States?


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


Describe the appearance of cheatgrass, downy brome?

Bromus tectorumis an erect-stemmed annual grass that grows to about 8-25 in. (20-70 cm) in height.


Is AcaciaretinodesSchlecht. native to the United States?


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


What is the scientific name of lesser swinecress?


Is sparrow vetch native to the United States?


Is mountain ebony native to the United States?


What is the growth habit of PopulusgrandidentataMichx.?


What is the common name of Equisetumspp.L.?


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


The showy flowers have 5 white petals with red veins and bloom before the leaves emerge.


What is the scientific name of hedionda macho?

Sennaseptemtrionalis(Viviani) Irwin & Barneby


Is Epipremnumpinnatumcv. aureum(L.) Engl native to the United States?


Describe the foliage of showy fly honeysuckle, bell's honeysuckle?

Leaves are oval, opposite, entire, and from 1-3 in. (2.5-7.6 cm) in length. The underside of the leaves are slightly pubescent.


What is the growth habit of black acacia?


The flowers are a orange color. It blooms from June-August.


Is Albizialebbeck(L.) Benth native to the United States?


Where can I view images of FicusmicrocarpaL. f.?


What is the scientific name of pearl millet?


Where can I view images of spanishneedles?


Describe the foliage of PeganumharmalaL.?

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


Is eastern cottonwood native to the United States?


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


Is MatricariadiscoideaDC. native to the United States?


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


Is ClerodendrumbungeiSteud. native to the United States?


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


What is the growth habit of Landoltiapunctata(G.F.W. Mey.) D.H. Les & D.J. Crawford?


Is sour orange native to the United States?


Is this plant invasive to the United States?


Is common bamboo native to the United States?


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

S. patensreproduces both through seed and vegetative rhizomatous roots. Rhizomes are usually long and wiry ranging from 0.08-0.16 in. (2-4 mm) in diameter.


What is the scientific name of chinese violet?


Describe the fruit of Verniciafordii(Hemsl.) Airy-Shaw?

The toxic fruits are reddish green, round and 2-3 in. (5.1-7.96 cm) in diameter.


What is the growth habit of sweet granadilla?


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


What is the invasive/noxious status of Lygodiumjaponicum(Thunb. ex Murr.) Sw. and where is it classified as such?


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


What is the growth habit of SpartinaalternifloraLoisel.?


Describe the foliage of Lepidiumdraba(L.) Desv?

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


What is the scientific name of mexican plantain?


What is the scientific name of white garland-lily?


Is deviltree native to the United States?


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


What is the common name of DaphnelaureolaL.?


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 bush vetch?


Is this plant invasive to the United States?


Is AsphodelusfistulosusLinnaeus native to the United States?


Leaves are linear, erect, light green to greyish in color, thick, sword-shaped, and flat with a sheath near the base. 12 to 16 leaves can arise from each shoot


Describe the flowers of korean lespedeza?

Flowers are pink, purple and white, 0.2-0.3 in. (5-8 mm) long and occur either singly or in groups of up to 5 in a spike-like raceme.


Is BougainvilleaglabraChoisy native to the United States?


What is the common name of SalixmatsudanaKoidzumi?


What is the common name of Ptychospermaelegans(R. Br.) Blume?


What is the growth habit of johnsongrass?


What is the invasive/noxious status of Tetradiumdaniellii(Benn.) T.G. Hartley and where is it classified as such?


Where can I view images of oriental mustard?


Does bushkiller pose any ecological threat?

It is thought thatCayratia japonicaonly reproduces vegetatively in North America. Vines can readily climb over other vegetation, where it can block out sunlight to the plants below. It is native to temperate and sub-tropical Asia.


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


What is the scientific name of chinese fountaingrass?


What is the scientific name of buffalobur?


Is persian speedwell native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for PhyllostachysaureaCarr. ex A.& C. Rivière?


Is tartary buckwheat native to the United States?


Describe the appearance of macartney rose?

Rosa bracteatais an evergreen, thorny, climbing or trailing shrub that invades open, disturbed areas throughout the southern United States. Plants often grow in clumps. Stems are arching canes with recurved thorns.


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


Is this plant invasive to the United States?


What is the scientific name of purple starthistle?


Describe the fruit of UlmusparvifoliaJacq.?

Fruits are samaras, lime green when immature, and then maturing to a deep russet about October. The seed is notched at the tip and nearly fills the samara when mature.


Is syrian beancaper native to the United States?


What is the growth habit of european privet?


What is the U.S. Department of Agriculture (USDA) plant symbol for Alpiniapurpurata(Vieill.) K. Schum.?


What is the growth habit of dovefoot geranium?


Does HesperismatronalisL. pose any ecological threat?

Many people mistakenly believeHesperis matronalisis a native wildflower. It may be included in native wildflower mix packets. Always check the list of species in wildflower mixes. Habitats invaded by this plant include open woodlands, prairies, roadsides, ditches, and other disturbed areas where native plants are crowded out.Hesperis matronaliswas introduced from Europe as an ornamental around the time of European settlement. It continues to be widely used as an ornamental and can be found throughout North America.


Is cultivated currant native to the United States?


What is the growth habit of Glyceriamaxima(Hartman) Holmb.?


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


Is tiny vetch native to the United States?


Where can I view images of SalviasclareaL.?


Describe the appearance of australian-pine?

Casuarina equisetifoliais a deciduous tree that occurs in open, coastal habitats including sand beaches, rocky coasts and sand dunes. Trees can grow to over 100 ft. (30.5 m) in height.


Does ElaeagnusumbellataThunb. pose any ecological threat?

Elaeagnus umbellatainvades old fields, woodland edges, and other disturbed areas. It can form a dense shrub layer which displaces native species and closes open areas.Elaeagnus umbellatais native to China and Japan and was introduced into North America in 1830. Since then, it has been widely planted for wildlife habitat, mine reclamation, and shelterbelts. It is a non-leguminous nitrogen fixer.


What is the invasive/noxious status of Sesbaniaherbacea(P. Mill.) McVaugh and where is it classified as such?


What is the common name of PopulusnigraL.?


Is this plant invasive to the United States?


Describe the foliage of yellow nutsedge?

Leaves are light green, very glossy and grass-like. They are three ranked and taper to a sharp point.


What is the growth habit of monterey pine?


Describe the flowers of CallitrichestagnalisScop.?

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.


Where can I view images of redstem filaree?


Is LantanacamaraL. native to the United States?


Describe the foliage of shining geranium?

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


Describe the appearance of AsphodelusfistulosusLinnaeus?

Asphodelus fistulosusis an annual or short-lived perennial that is dark green in color and can grow 12-30 in. (30.5-76.2 cm) tall and 15 in. (38.1 cm) wide.


Is NelumboluteaWilld. native to the United States?


What is the scientific name of common groundsel?


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


Does Alliariapetiolata(Bieb.) Cavara & Grande pose any ecological threat?

Alliaria petiolatais an aggressive invader of wooded areas throughout the eastern and middle United States. A high shade tolerance allows this plant to invade high quality, mature woodlands, where it can form dense stands. These stands not only shade out native understory flora but also produce allelopathic compounds that inhibit seed germination of other species.Alliaria petiolatais native to Europe and was first introduced during the 1800s for medicinal and culinary purposes.


Describe the flowers of purple starthistle?

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


What is the scientific name of rat-tail grass?


Is italian bugloss native to the United States?


Is Urochloadistachya(L.) T.Q. Nguyen native to the United States?


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

Potentially Invasive, Prohibited (Connecticut)


What is the common name of PopulusdeltoidesBartr. ex Marsh.?


What is the scientific name of hairy bird's-foot trefoil?


What is the growth habit of japanese dodder?


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

Invasive (North Carolina), Prohibited (Wisconsin)


What is the scientific name of large gray willow?


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


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


Where can I view images of Helminthothecaechioides(L.) Holub?


Is east indian crabgrass native to the United States?


Describe the appearance of brown knapweed?

Centaurea jaceais a perennial plant that grows 1-4 ft. (0.3-1.2 m) tall. The stems are ridged and may have purple stripes.


Where can I view images of VitisviniferaL.?


Where can I view images of white sweetclover?


Urena lobatais an erect shrub that grows up to 10 ft. (3 m) in height. The plant is single stalked, with free-branching stems that comprise a bushy appearance. It grows as an annual species in many areas of Florida but may perennate in south Florida.


What is the common name of Lamiumpurpureumvar. purpureumL.?


What is the scientific name of whorled pennywort?


What is the growth habit of BarbareavulgarisAit. f.?


What is the growth habit of OleaeuropaeaL.?


What is the scientific name of rattail fescue?


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

Class C (Alabama), Potentially Invasive (Connecticut)


Does common viper's bugloss, blueweed pose any ecological threat?

Echium vulgareis primarily a weed of pastures, roadsides, and non-crop areas. It is native to Eurasia.


Raphanus sativusis an edible root vegetable. It can grow up to 6 in. (15.2 cm) tall.


Is SolanumcarolinenseL. native to the United States?


Describe the appearance of giant salvinia?

Salvinia molestais an aquatic fern that floats on the surface of the water. Submerged fronds are “stringy” and resemble roots.


What is the scientific name of wavyleaf basketgrass?

Oplismenusundulatifolius(Ard.) Roem. & Schult.


Describe the flowers of AgrostisgiganteaRoth?

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


What is the scientific name of red mangrove?


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


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 MyosotisscorpioidesL.?


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 scientific name of river redgum?


What is the common name of Ludwigiapalustris(L.) Ell.?


Where can I view images of Dipogonlignosus(L.) Verdc.?


Taraxacum officinaleis a perennial that grows best in moist areas in full sun. Its strong taproot is capable of penetrating the soil to a depth of 10-15 ft. (3-4.6 m), but it is most commonly 6-18 in. (15.2-45.7 cm) deep.


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

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


Is cherry silverberry native to the United States?


Where can I view images of AcaciaconfusaMerr?


What is the common name of LinumbienneMill.?


Describe the appearance of Persicarialongiseta(Bruijn) Kitagawa?

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


What is the scientific name of norway maple?


What is the growth habit of sweet cherry?


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


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


What is the common name of Coixlacryma-jobiL.?


Does smooth brome pose any ecological threat?

This grass prefers sunny areas along roadsides and also in fields, pastures and prairies.Bromus inermisis a native of Europe and was introduced into the United States in the late 1800’s.


Is highbush blackberry native to the United States?


Describe the appearance of CommelinacommunisL.?

Commelina communisis an annual herb with many branched, prostrate stems, which are minutely pubescent distally, and about 3.4 ft. (1 m) long.


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


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


What is the growth habit of LeucojumaestivumL.?


What is the common name of MarsileaquadrifoliaL.?


What is the growth habit of Polygonumspp.L.?


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


Where can I view images of princess-feather?


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


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


Where can I view images of cupid's-shaving-brush?


Is this plant invasive to the United States?


Describe the appearance of himalayan balsam?

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


Where can I view images of hedionda macho?


Where can I view images of ElaeagnusangustifoliaL.?


Where can I view images of PennisetumvillosumR. Br. ex Fresen.?


Is yellow fieldcress native to the United States?


Does SolanumcarolinenseL. pose any ecological threat?

S. carolinenseis native to the United States. All parts of the plants, except the mature fruit, are capable of poisoning livestock if eaten in sufficient quantity, however consumption rarely occurs due to the prickly stems and leaves. It is a weed of perennial crops and can be weedy in reduced-tillage crops like corn and small grains. It grows best on well-drained soils. Use gloves when handling the plant.


What is the scientific name of spotted knapweed?


Is Cinnamomumburmanni(Nees & Th. Nees) Nees ex Blume native to the United States?


What is the growth habit of Rytidospermapenicillatum(Labill.) Connor & Edgar?


What is the growth habit of himalayan balsam?


What is the invasive/noxious status of Typhax glaucaGodr. [angustifolia x latifolia] and where is it classified as such?


What is the common name of HieraciumcanadenseMichx.?


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


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

Flowers are small, white to yellowish in color, and found in clusters. The blooming period occurs in winter from January to March.


What is the common name of MelissaofficinalisL.?


Where can I view images of trifoliate orange?


Is CarexflaccospermaDewey native to the United States?


Describe the fruit of uruguayan vervain?

V. montevidensisfruits are nutlets. Each flower produces four seeds.


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


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


What is the scientific name of green kyllinga?


Describe the appearance of Thymelaeapasserina(L.) Coss. & Germ.?

Thymelaea passerinais an erect herbaceous annual plant that grows from 2.5-24 in. (6-61 cm) tall. The slender wiry stem can be woody and will often branch towards the top.T. passerinais native to Africa, tropical and temperate Asia and Europe.


What is the growth habit of barbwire russian-thistle?


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


What is the growth habit of darwin's berberis?


What is the growth habit of english violet?


What is the scientific name of germander speedwell?


Describe the appearance of chamber bitter?

Phyllanthus urinariais an erect to prostrate, slender, glabrous herb, 4-14 in. (10-35 cm) high. The stems branch often and can be reddish. It is native to Asia and the Pacific Northwest.


Is centipede tongavine native to the United States?


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


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


What is the scientific name of crabapple and apple?


What is the common name of SorbusaucupariaL.?


Where can I view images of ViburnumplicatumtomentosumMiq.?


Is AvenabarbataPott ex Link native to the United States?


What is the growth habit of RosarubiginosaL.?


What is the growth habit of african tuliptree?


Is creeping yellow loosestrife, creeping jenny native to the United States?


Is canada goldenrod native to the United States?


Is jeweled maiden fern native to the United States?


What is the growth habit of PistiastratiotesL.?


Describe the foliage of oriental mustard?

Oriental mustard produces a hairy, branching stem up to about 11.8 in. (30 cm) tall. The basal leaves are divided into deep lobes or toothed leaflets. Leaves higher on the stem have lance-shaped blades with small separate lobes near the base.


Describe the flowers of VerbenaincomptaP. W. Michael?

V. incomptahas small lavender to purple flowers. Each flower has five petals and is borne in compact slender terminal fascicles within hairy sepals and bracts.V. incomptablooms all summer until the first frost.


What is the growth habit of IpomoeahederaceaJacq.?


Describe the appearance of siberian peashrub?

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


Describe the appearance of houndstongue?

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.


The flower is not visible, as it blooms inside the infructescence. The complex inflorescence of the common fig consists of a hollow fleshy structure called the zirconium, which is lined with numerous unisexual flowers.


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


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


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


Is japanese privet native to the United States?


Is prickly russian thistle native to the United States?


What is the common name of Eriochloafatmensis(Hochst. & Steud.) W.D. Clayton?


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


The greenish-yellow flowers have no petals and are tubular and from 0.08-0.12 in. (2-3 mm) long. Each flower has four sepals and 8 stamens held in two whorls of four. Two small bracts arise from a tuft of white hairs at the base of each flower.


What is the scientific name of wild mustard?


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


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


Where can I view images of mile-a-minute vine, asiatic tearthumb?


Is tree tobacco native to the United States?


Is HyoscyamusnigerL. native to the United States?


What is the scientific name of roughstalk bluegrass?


Is Callistemonviminalis(Gaertn.)G.Don ex Loudon native to the United States?


Describe the appearance of cutleaf teasel?

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


What is the scientific name of hanging sedge?


What is the scientific name of tasmanian bluegum?


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


Where can I view images of VerbenamontevidensisSpreng.?


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 Cotoneasterspp.Medik.?


Describe the appearance of LigustrumlucidumW.T. Aiton?

Ligustrum lucidumis a semi-evergreen shrub or small tree that grows up to 40 ft. (12.2 m) in height. The trunks usually occur as multiple stems with many long, leafy branches.


What is the common name of SolanumamericanumP. Mill.?


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


What is the common name of Tremaorientalis(L.) Blume?


Describe the fruit of PhytolaccaamericanaL.?

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


Describe the foliage of AcaciaauriculiformisA. Cunningham ex Benth.?

The leaves are alternate, simple and reduced to phyllodes (flattened leaf stalks). These blade-like leaves are slightly curved and range from 5-8 in. (11-20 cm) long. Leaves have 3-7 main parallel veins and a marginal gland near the base. The leaf surfaces are dark green.


What is the growth habit of BambusavulgarisSchrad. ex J.C. Wendl.?


Is Lepidiumcampestre(L.) Ait. f. native to the United States?


Describe the fruit of lesser celandine, fig buttercup?

The fruit are achenes that are pubescent. It also reproduces with bulblets and tubers.


What is the scientific name of bur buttercup?


Is hairy nightshade native to the United States?


What is the growth habit of RosalucieaeFranch. & Rochebr. ex Crép.?


What is the common name of DipsacuslaciniatusL.?


What is the growth habit of DaucuscarotaL.?


What is the growth habit of spanish broom?


What is the common name of Piceaabies(L.) Karst.?


Does common pokeweed pose any ecological threat?

Phytolacca americanais native to all U.S. States except Alaska, Hawaii, Idaho, Montana, North and South Dakota, Colorado, Utah, Nevada, and Wyoming. It is found in open woods, damp thickets, and roadsides. All parts of this plant are toxic to humans, pets, and livestock.


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


Where can I view images of MedicagopolymorphaL.?


What is the scientific name of common bamboo?


Describe the flowers of GrevillearobustaA. Cunningham ex R. Br.?

Flowers are bright orange, 0.78 in. (2 cm) long, in pairs along flower spikes, and grouped into compound recemose inflorences that are then grouped into panicles of 1 to 6.


Is this plant invasive to the United States?


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


What is the scientific name of lehmann lovegrass?


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


What is the scientific name of cutleaf burnweed?


Is Hieraciumlaevigatum native to the United States?


Is mahaleb cherry native to the United States?


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


Describe the appearance of EchiumvulgareL.?

Echium vulgarea biennial that takes on a rosette growth habit during the first year of growth and produces a flowering stem during the second year. Plants are covered with long hairs. The 'dimpled' appearance of the leaves and bright blue to purple flowers helps to distinguish this plant from most other species.


Is broadleaf rush native to the United States?


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


What is the scientific name of salvation jane?


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


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


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

The leaves are spiny and pinnatifid. They are linear-oblong in shape and have tufts of hairs on the lower surface. The lower leaves are 6-8 in. (15-20 cm) long.


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


What is the growth habit of redosier dogwood?


What is the common name of Rapistrumrugosum(L.) All.?


Is giant sensitiveplant native to the United States?


What is the growth habit of Zantedeschiaaethiopica(L.) Spreng.?


Does butterflybush pose any ecological threat?

Buddleja davidiireadily invades disturbed sites and riparian areas. Although butterflies will use this plant as a nectar source their larvae cannot survive on it. By replacing native larval food source plants butterflybush can have a negative impact on wildlife.


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


What is the growth habit of tree tobacco?


Is ViburnumdilatatumThunb. native to the United States?


Where can I view images of spiny fiddlewood?


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

Imperata cylindricais best identified in the spring by the large fuzzy panicle of flowers and seeds, giving the plant a cottony or silky look.


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


Describe the appearance of sacred bamboo?

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


Is this plant invasive to the United States?


What is the growth habit of Chamaecristanictitans(L.) Moench?


What is the common name of Phyllostachysnigra(Lodd.) Munro?


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


Where can I view images of japanese maple?


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


What is the growth habit of Caulerpataxifolia(Vahl) C. Agardth?


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


What is the common name of CaricapapayaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Caesalpiniagilliesii(Wall. ex Hook.) Wall. ex D. Dietr.?


Fruits are 3 lobed capsules that explode when mature, propelling brown mottled ovoid seeds up to 15 ft. (4.6 m) away.


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


Describe the fruit of ConvallariamajalisL.?


Describe the fruit of SisymbriumaltissimumL.?

Fruits are narrow seed pods that are 2-4 in. (5-10 cm) long and contain more than 120 seeds.


Is woman's tongue tree native to the United States?


Where can I view images of LepidiumlatifoliumL.?


What is the common name of CynaracardunculusL.?


Describe the appearance of CarduusnutansL.?

Carduus nutansis an herbaceous, biennial plant that grows to 6 ft. (1.8 m) tall. The stem has very spiny wings. Carduus species may hybridize with each other.


Is this plant invasive to the United States?


Describe the flowers of RanunculusacrisL.?

R. acrisflowers have shiny yellow petals up to 1.25 in. (3.2 cm) wide. Flowers have sepals about half the size of the petals. Flowers bloom from May-Oct.


What is the growth habit of Eleutherococcussieboldianus(Makino.) Koidz.?


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


What is the common name of Froelichiagracilis(Hook.) Moq.?


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 MelinisminutifloraBeauv. native to the United States?


Describe the flowers of EgeriadensaPlanch.?

The flowers, which bloom above the surface of the water, are white with three petals.


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


What is the common name of SolanumnigrumL.?


Describe the appearance of slender russian thistle?

Salsola collinais an erect annual forb. It is a round, bushy, much-branched plant growing 1-3.5 ft. (0.3-1.1 m) high.


C. striatusleaves have from one to three leaflets. The leaflets are 0.3 to 0.5 in (5-15 mm) long. Leaves have short petioles on lower branches, becoming sessile as they rise up the stem. Leaves are more abundant at outer ends of actively growing branches.


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


What is the scientific name of small bugloss?


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


Alhagi maurorumis a perennial shrub that grows 2-3 ft. (0.6-0.9 m) tall. Sharp yellow spines that are actually modified stems are from 1-2 in. (2.5-5 cm) in length.


The five petaled white flowers are about 1.2-1.8 in. (3-4.5 cm) long. They bloom from August-September.


Where can I view images of TrifoliumincarnatumL.?


Is small bugloss native to the United States?


Does flamegold pose any ecological threat?

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


The fruits are acorns which are elongate, about 1 in (2.5 cm) long, with a cup that covers 1/3 of the nut. They are born singly or in clusters of 2-5 which dangle on a single long 1-4 in (5.1-10.2 cm) peduncle.


Describe the appearance of CichoriumintybusL.?

Cichorium intybusis a biennial to perennial herbaceous plant that can grow from 1-5 ft. (0.3-1.5 m) tall. It has erect, round, hollow, nearly leafless, green to reddish brown stems that produce a milky sap when cut. Lower part of stems are hairy. It is native to Africa, both temperate and tropical Asia and Europe.


Does denseflower cordgrass pose any ecological threat?

S. densiflorais a nonnative grass species that invades the middle tidal zones in estuaries where it aggressively out competes native grasses, sedges and salicornia stands.


What is the scientific name of goosegrass?


Does SalviniamolestaD. S. Mitchell pose any ecological threat?

After maturing,S. molestaforms chains of leaves that run together to form thick mats on the surface of the water. These mats restrict oxygen and light availability causing death of the primary producers and disrupting the aquatic food chain.S. molestais on the Federal Noxious Weed list and can invade most any type of aquatic system. The plant is native to South America and was first introduced into North America as an ornamental.


Does AnthemiscotulaL pose any ecological threat?

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


Describe the foliage of RhamnuscatharticaL.?

The leaf arrangement is usually sub-opposite, but examples of opposite and/or alternate arrangements are commonly found. Leaves are dark green, oval, 1.5-3 in. (3.8-7.6 cm) long, slightly serrate with 3 to 4 pairs of curving veins and a somewhat folded tip.


Is this plant invasive to the United States?


What is the scientific name of jointed goatgrass?


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

Potentially Invasive, Prohibited (Connecticut)


Describe the appearance of dotted duckmeat?

Landoltia punctatais a tiny free-floating aquatic plant made up of individual fronds with fine roots. The roots number from 2 to 4 and up to 7. It is native to Australia and Southeast Asia.Landoltia punctatawas first documented in Missouri in the early 1930’s.


What is the growth habit of Digitariainsularis(L.) Mez ex Ekman?


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


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


What is the growth habit of everlasting peavine?


Where can I view images of northern catalpa?


What is the common name of Viciavillosassp. villosaRoth?


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


Leaves are 1-4 in. (2.5-10 cm) long, toothed (or lobed) and decrease in size closer to the apex of the stem. Basal leaves are spoon-shaped and petiolate.


What is the growth habit of Cinnamomumcamphora(L.) J. Presl?


Is smallseed falseflax native to the United States?


Describe the appearance of big periwinkle?

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


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


What is the growth habit of petty spurge?


Where can I view images of milkflower cotoneaster?


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


What is the invasive/noxious status of Alternantheraphiloxeroides(Mart.) Griseb. and where is it classified as such?

Category 1 (Alabama), Class C (Alabama), Invasive (North Carolina)


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


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


What is the growth habit of meadow foxtail?


What is the U.S. Department of Agriculture (USDA) plant symbol for dog-strangling vine, european swallowwort?


What is the common name of Ludwigiapeploides(Kunth) Raven?


The edible fig fruit is the mature synconium on the outside and numerous one-seeded fruit on the inside. This type of multiple fruit is sometimes called infructescence. The fruit is 1.2-2 in. (3-5 cm) long, with a green skin, sometimes ripening towards purple or brown.


Is LysimachianummulariaL. native to the United States?


Is this plant invasive to the United States?

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


Describe the foliage of PyruscalleryanaDecne.?

The leaves are alternate, simple, 2-3 in. (5.1-7.6 cm) long, petiolate, and shiny with wavy, slightly toothed margins.


What is the growth habit of MalussylvestrisP. Mill.?


What is the common name of PartheniumhysterophorusL.?


Describe the fruit of ClematisvitalbaL.?

Seeds have long feathery tails which ripen in fall and are easily noticeable in early winter after leaves have fallen off the trees.


Does Bellardiatrixago(L.) All pose any ecological threat?

Bellardiaprefers disturbed areas including grasslands, roadsides, and fields. It is native to the Mediterranean.


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


Describe the appearance of denseflower cordgrass?

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


What is the common name of StachysfloridanaShuttlw. ex Benth.?


Describe the appearance of japanese stiltgrass?

Microstegium vimineumis a delicate, sprawling, annual grass that is 0.5-3.5 ft. (0.2-1.1 m) in height. The stems can root at the nodes.


What is the scientific name of quaking aspen?


What is the common name of CanavaliacatharticaThouars?


Where can I view images of Mahoniabealei(Fortune) Carr.?


Flowers are bright orange, 0.78 in. (2 cm) long, in pairs along flower spikes, and grouped into compound recemose inflorences that are then grouped into panicles of 1 to 6.


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


Is Vulpiamyuros(L.) K.C. Gmel. native to the United States?


Is bahiagrass native to the United States?


What is the common name of CentaureadiffusaLam.?


Where can I view images of VitexrotundifoliaL. f.?


What is the growth habit of Catalpaspeciosa(Warder) Warder ex Engelm.?


Describe the fruit of VerbenamontevidensisSpreng.?

V. montevidensisfruits are nutlets. Each flower produces four seeds.


What is the growth habit of highbush blackberry?


Is this plant invasive to the United States?


What is the common name of Wisteriax formosa[floribunda x sinensis]?


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


Where can I view images of italian plumeless thistle?


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


What is the scientific name of cereal rye?


Does PhalarisarundinaceaL. 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.


Describe the flowers of CardamineimpatiensL.?

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


What is the scientific name of turkeyberry?


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


What is the growth habit of MalvamoschataL.?


Does PeganumharmalaL. pose any ecological threat?

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


What is the common name of Phymatosorusscolopendria(Burm. f.) Copeland?


What is the scientific name of canada thistle?


Is balloonvine native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Hemarthriaaltissima(Poir.) Stapf & C.E. Hubbard?


Where can I view images of watermilfoil?


Describe the fruit of DelaireaodorataLem?

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


What is the growth habit of Parthenocissustricuspidata(Sieb. & Zucc.) Planch.?


What is the growth habit of madagascar periwinkle?


Is this plant invasive to the United States?


What is the growth habit of SchinusterebinthifoliaRaddi?


What is the growth habit of SilphiumperfoliatumL.?


Where can I view images of LamiumpurpureumL.?


What is the growth habit of smooth cordgrass?


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


What is the growth habit of PinusnigraArnold?


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

Prohibited (New York), Prohibited (Wisconsin)


Describe the foliage of DaphnelaureolaL.?

Leaves are whorled, dark green, 1-5 in. (2.5-12.7 cm) long, thick, smooth, and shiny. Stem bark is gray to yellowish in color.


What is the common name of PavoniahastataCav.?


Is NeriumoleanderL. native to the United States?


Does EpilobiumhirsutumL. pose any ecological threat?

E. hirsutumis an extremely widespread and variable species that spreads aggressively by vegetative growth in sunny open wetland habitats, although it can also invade uplands. It can form monocultures in natural wetlands, crowding out native species.


What is the common name of Erechtitesminimus(Poir.) DC?


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


What is the scientific name of european aspen?


What is the growth habit of russian knapweed?


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


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


Where can I view images of IlexcornutaLindl. & Paxton?


Is Passifloratripartitavar. mollissima(Kunth) Holm-Niesen & P.M. Jørg. native to the United States?


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


Does Phragmitesaustralis(Cavanilles) Trinius ex Steudel pose any ecological threat?

Phragmites australisis usually found in dense thickets growing in or near shallow water. These thickets displace native wetlands plants, alter hydrology and block sunlight to the aquatic community. It is native to Eurasia and Africa. Native Phragmites do occur in the United States and they are sometimes very difficult to distinguish from the exotics.


Describe the foliage of CelastrusorbiculatusThunb.?

The alternate, elliptical to circular leaves are light green in color and 2-5 in. (5-13 cm) long.


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


What is the common name of Citrusx limon(L.) Osbeck?


Is this plant invasive to the United States?

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


Is Axonopuscompressus(Sw.) Beauv. native to the United States?


Where can I view images of common filbert?


What is the scientific name of cutleaf teasel?


Is MalvaviscuspenduliflorusDC. native to the United States?


Describe the appearance of SolanumtampicenseDunal?

Solanum tampicenseis a sprawling, semi-woody shrub that invades wetlands in Florida. The green stems are up to 15 ft. (4.6 m) long and prickly.


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


Is hawai'i ticktrefoil native to the United States?


What is the scientific name of crowndaisy?


What is the scientific name of pinkhead smartweed?

Persicariacapitata(Buch.-Ham. ex D. Don) Gross.


Is Petrorhagiadubia(Raf.) G. López & Romo native to the United States?


Where can I view images of white clover?


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


What is the growth habit of LactucasativaL.?


Is Piceaabies(L.) Karst. native to the United States?


Is yellow devil hawkweed native to the United States?


What is the growth habit of Silenevulgaris(Moench) Garcke?


What is the common name of AlstoniamacrophyllaWallich ex G. Don?


Is this plant invasive to the United States?


What is the scientific name of lilac tasselflower?


Describe the flowers of CuscutajaponicaChoisy?

Flowers are abundant, pale yellow, and sessile.


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


What is the common name of Cupheacarthagenensis(Jacq.) J.F. Macbr.?


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


Is white sweetclover native to the United States?


What is the scientific name of tumble mustard?


Leaves are rigid, sharp and pointed with long white hairs distributed sparsely along all parts of the blade. The ligule does not protrude noticeably above the leaf blade.


What is the growth habit of CatalpabignonioidesWalt.?


Where can I view images of willowleaf lettuce?


Where can I view images of Sonchusarvensisssp. uliginosus(M. Bieb.) Nyman?


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


Is Thymelaeapasserina(L.) Coss. & Germ. native to the United States?


What is the growth habit of tall fescue?


Is PaspalumurvilleiSteud. native to the United States?


Where can I view images of CentaureavirgataLam.?


What is the growth habit of ValerianaofficinalisL.?


What is the growth habit of CentaureacalcitrapaL.?


Is Kummerowiastipulacea(Maxim.) Makino native to the United States?


What is the growth habit of golden bamboo?


What is the scientific name of crimson clover?


Is this plant invasive to the United States?


What is the growth habit of prairie sunflower?


Is ManihotglazioviiMuell.-Arg. native to the United States?


Where can I view images of norway maple?


Describe the fruit of AgrostemmagithagoL?

The fruits ofAgrostemma githagoare capsules that each contain numerous black, pitted seeds.


Describe the foliage of marsh dayflower?

Leaves are alternate, lance-shaped, and up to 3 in. (7.6 cm) long.


Describe the fruit of SolanumcarolinenseL.?

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


What is the growth habit of PapaverdubiumL.?


Describe the flowers of LantanacamaraL.?

Flowers are colorful, tubular, 4-petaled and occur nearly all year long. Flowers can be orange, pink or white with different colored flowers occurring in the same cluster.


What is the scientific name of weeping willow?

Salixx sepulcralisSimonkai [alba × babylonica]


Where can I view images of PotamogetoncrispusL.?


Is Persicariapunctata(Ell.) Small native to the United States?


Where can I view images of LigustrumovalifoliumHassk.?


Where can I view images of philippine ground orchid?


Where can I view images of CommelinabenghalensisL.?


Does CentaureanigrescensWilld pose any ecological threat?

Centaurea nigrescenscan be found in disturbed areas including along roadsides, fields, pastures, and waste areas. It is native to Europe.


Is chinaberry native to the United States?


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


The leaves are ternate or ternate-pinnate with pinnately lobed lateral segments. They can be up to 9.8 ft. (3 m) in breadth.


Is this plant invasive to the United States?


Describe the flowers of Cenchruslongispinus(Hack.) Fern?

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


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


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


Is Arrhenatherumelatiusvar. elatius(L.) P. Beauv. ex J. Presl & C. Presl native to the United States?


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


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

Invasive  (Michigan), Invasive (Connecticut), Nuisance (DOC) (Missouri), Regulated (New York), Restricted (Wisconsin)


What is the growth habit of MedicagopolymorphaL.?


Is pale yellow iris, yellow flag iris native to the United States?


Describe the foliage of Euonymusalatus(Thunb.) Sieb.?

The opposite, dark green leaves are < 2 in. (5 cm) long, smooth, rounded and taper at the tips. The leaves turn a bright crimson to purplish color in the fall.


What is the growth habit of cranberry viburnum, european highbush cranberry?


Describe the flowers of Paulowniatomentosa(Thunb.) Sieb. & Zucc. ex Steud.?

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.


Where can I view images of SilenegallicaL.?


What is the scientific name of downy maiden fern?


Is cape bugle-lily native to the United States?


Where can I view images of germander speedwell?


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


Describe the foliage of weeping lovegrass?

Leaves are arched, 0.11-0.16 in. (3-4 mm) wide, flat, with ciliate ligules. Sheaths have long hairs inside the upper margin and along the collar. Spikelets are nodding, 0.2-0.4 in. (4-10 mm) long, 0.06-0.07 in. (1.5-2 mm) wide and gray-green.


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 seashore paspalum?


Where can I view images of goldenrain tree?


What is the growth habit of EucalyptusrobustaSm.?


Where can I view images of japanese netvein hollyfern?


Where can I view images of silverleaf nightshade?


What is the common name of VitexrotundifoliaL. f.?


Does himalayan balsam pose any ecological threat?

Impatiens glanduliferaoccurs in areas with high soil moisture, such as riparian areas. It is tall for an annual plant, has a fast growth rate, reseeds aggressively and outcompetes native vegetation. Plants are partially shade tolerant. It is native to India.


Cardiospermum halicacabumis a deciduous woody, perennial to annual vine native to Tropical America. The square stems are fast growing and can reach up to 10 ft. (3 m) long. The plants climb with forked tendrils.


What is the invasive/noxious status of Ailanthusaltissima(P. Mill.) Swingle and where is it classified as such?

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


What is the common name of Fatouavillosa(Thunb.) Nakai?


Is AtriplexsuberectaI. Verd. native to the United States?


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


Is ViburnumopulusL. native to the United States?


What is the growth habit of Solanumspp.L.?


What is the growth habit of perennial ryegrass?


What is the growth habit of AucubajaponicaThunb.?


What is the scientific name of blackthorn?