What is the common name of TagetesminutaL.?


What is the scientific name of european sea-lavender?


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 flowers of TamarixparvifloraDC.?

Flowers are small white to pink, with 4 petals and sepals.


Is Solidagocanadensisvar. scabraTorr. & Gray native to the United States?


What is the growth habit of common cattail?


Where can I view images of TradescantiafluminensisVell.?


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


What is the scientific name of slender oat?


What is the common name of QuercusacutissimaCarruthers?


Is PinusthunbergiiParl. native to the United States?


Where can I view images of GeumurbanumL.?


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


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


Where can I view images of Clidemiahirta(L.) D. Don?


Describe the foliage of RosabracteataJ.C. Wendl.?

The alternate leaves are pinnately compound with serrated margins. Leaflets are 1-3 in. (2.5-7.6 cm) long.


The fruit is a silique which can be up to 3.9 in. (10 cm) long.


Does NajasminorAll. pose any ecological threat?

Najas minorhas the ability to form thick stands that can cover or clog a lake or stream. This plant is extremely brittle, which allows it to fragment and get moved via boats, waterfowl and river channels. Waterfowl readily eat and move this plant from waterbody to waterbody. In North Carolina, this plant is reported to out-compete other exotics such asHydrilla verticillata. This plant needs to be watched, contained or removed if found.


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


What is the common name of NymphaeaodorataAit.?


Is this plant invasive to the United States?


Describe the flowers of NardusstrictaL.?

It produces unbranched flower-spikes that carry the single-flowered spikelets along one side only. Matgrass flowers from June until August.


What is the growth habit of Erodiumcicutarium(L.) L'Hér. ex Ait.?


What is the growth habit of elmleaf blackberry?


What is the scientific name of diffuse knapweed?


Is AnagallisarvensisL. native to the United States?


What is the common name of TrifoliumdubiumSibthorp?


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


What is the common name of GalinsogaparvifloraCav.?


Is Undariapinnatifida(Harvey) Suringar native to the United States?


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


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


What is the scientific name of large yellow vetch?


The fruits are 5-angled achenes with small glands. Each plant is capable of producing over 50,000 seeds per year.


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


What is the growth habit of Loniceramaackii(Rupr.) Herder?


Where can I view images of Cedrusdeodara(Roxb. ex D. Don) G. Don f.?


Where can I view images of TrifoliumsubterraneumL.?


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


Is this plant invasive to the United States?


What is the growth habit of white cockle?


What is the growth habit of Neonotoniawightii(Wight & Arn.)?


What is the common name of Dipogonlignosus(L.) Verdc.?


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


Is small hop clover native to the United States?


Where can I view images of Dysphaniapumilio(R. Br.) Mosyakin & Clemants?


Where can I view images of Taeniatherumcaput-medusae(L.) Nevski?


What is the scientific name of white mignonette?


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

Aquatic Nuisance (Class 2, Regulated) (North Dakota), Category 1 (Alabama), Class C (Alabama), Invasive (North Carolina), Invasive, Prohibited (Connecticut), Invasive, Restricted (Michigan), Prohibited (Minnesota), Prohibited (New York), Restricted (Wisconsin)


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


What is the growth habit of jerusalem artichoke?


What is the scientific name of yellow glandweed?


Where can I view images of asiatic hawksbeard?


What is the growth habit of MalusfloribundaSieb. Ex Van Houtte?


Where can I view images of TyphaangustifoliaL.?


Does wild garlic pose any ecological threat?

Allium vinealeis native to Europe and thrives in fields, meadows, waste grounds and other disturbed areas.


Is Macfadyenaunguis-cati(L.) A.H. Gentry native to the United States?


What is the growth habit of american burnweed?


What is the common name of HieraciumatratumFr.?


Where can I view images of MyriophyllumheterophyllumMichx.?


What is the scientific name of dixie silverback fern?


Where can I view images of autumn olive?


Is OrobancheminorSmith native to the United States?


What is the common name of ViciavillosaRoth?


Is this plant invasive to the United States?


Describe the appearance of AcaciaconfusaMerr?

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


Does showy fly honeysuckle, bell's honeysuckle pose any ecological threat?

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


Does Tamarixaphylla(L.) Karst. pose any ecological threat?

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


Is Leucaenaleucocephala(Lam.) de Wit native to the United States?


What is the scientific name of myrtle spurge?


What is the common name of EuphorbiacyparissiasL.?


R. acrisreproduces by seeds. Fruits are globose achenes 2-4 in. (5-10 cm) wide.


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


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


What is the scientific name of paradise poinciana?

Caesalpiniagilliesii(Wall. ex Hook.) Wall. ex D. Dietr.


What is the growth habit of HeracleummantegazzianumSommier & Levier?


What is the growth habit of ivyleaf speedwell?


Where can I view images of ArtemisiavulgarisL.?


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


Where can I view images of RosacaninaL.?


Does norway maple pose any ecological threat?

Acer platanoidesis able to shade out native understory vegetation such as spring ephemerals, and eventually out-competes native tree species in the forest canopy. Thus, it can reduce native species diversity and change the structure of forest habitats.


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


Is this plant invasive to the United States?


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


What is the common name of ChenopodiumalbumL?


Where can I view images of japanese holly?


Describe the appearance of Nymphoidescristata(Roxb.) O. Ktze.?

Nymphoides cristatais an herbaceous aquatic plant with floating stems from a buried rootstock. Slender tuberous roots dangle from the stem-leaf node.


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


Does creeping capeweed pose any ecological threat?

Capeweed is a troublesome weed in pastures, crops and home gardens. In newly sown pastures it can smother grass and clover seedlings, and in drier regions it can often dominate overgrazed pastures. It can also taint milk and high nitrate levels in plants have caused livestock deaths.


Describe the foliage of bulbous bluegrass?

Sheath slightly compressed, not sharply keeled and split with overlapping margins. Leaf blade parallel sided, from 0.07-0.15 in. (2-4 mm) wide, keeled, and v-shaped. Foliage is a deep green color.


Does Melaleucaquinquenervia(Cav.) Blake pose any ecological threat?

Melaleuca quinquenerviaaggressively invades a variety of wetland habitats including sawgrass marshes, wet prairies, and aquatic sloughs. It often forms impenetrable thickets, reduces biodiversity, displaces native vegetation and reduces the value of these habitats for wildlife. It also accelerates the loss of groundwater due to increased evapotranspiration.Melaleuca quinquenerviais native to Australia, New Guinea, and New Caledonia and was first introduced into the United States in southern Florida in the early 1900s for landscaping and “swamp drying” purposes.Melaleuca quinquenerviaa resembles red bottlebrush (Callistemon citrinus), but the flowers ofC. citrinusare red.


What is the growth habit of SisymbriumaltissimumL.?


Describe the fruit of rush skeletonweed?

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.


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

Kummerowia striatais an annual plant that can reach 16 in. (40 cm) in height.


Describe the foliage of PastinacasativaL.?

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


Describe the flowers of california privet?

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


What is the common name of Megathyrsusmaximus(Jacq.) R. Webster?


Is five-leaf aralia native to the United States?


Where can I view images of Cinnamomumcamphora(L.) J. Presl?


Where can I view images of LeucojumaestivumL.?


What is the growth habit of sweet vernalgrass?


Describe the foliage of FrangulaalnusMill.?

The dark green leaves are shiny, alternate (sometime opposite) and simple with prominent venation.


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


Describe the flowers of common periwinkle?

Flowers are blue, lavender or white, about 1 in. (2.5 cm) across, five petals blunt at tip, arranged in spiral; blooms in springtime.


Where can I view images of torpedograss?


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 PotamogetoncrispusL.?


What is the common name of BellisperennisL.?


What is the common name of Cryptostegiagrandiflora(Roxb. ex R. Br.) R. Br.?


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


What is the growth habit of goat willow?


Where can I view images of RhustyphinaL.?


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


What is the scientific name of bottlebrush?


What is the common name of TyphaangustifoliaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Crocosmiax crocosmiiflora(V. Lemoine) N.E. Br. [aurea × pottsii]?


Does weeping lovegrass pose any ecological threat?

Eragrostis curvulainhabits disturbed places such as roadsides and is native to South Africa. It has been planted for erosion control in the southwestern United States and is also used widely as an ornamental.


Describe the fruit of Rorippaaustriaca(Crantz) Bess.?

Fruits are ovate, 0.09-0.12 in. (2.4-3 mm) wide, and ascending. Seeds are 0.03-0.04 in. (0.7-0.9 mm) long, rough, and reddish brown in color.


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


Is OrnithogalumnutansL. native to the United States?


What is the growth habit of earleaf acacia?


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


Does CommelinacommunisL. pose any ecological threat?

Commelina communiscan be found in moist, shady forest edges. It can be found in wet areas of crop fields, orchards, ditches, and roadsides.


Is CenchrusechinatusL. native to the United States?


Is tall oatgrass native to the United States?


Describe the flowers of Persicarialongiseta(Bruijn) Kitagawa?

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.


Is Epilobiumbillardierianumssp. cinereum(A. Rich.) P.H. Raven & Engelhorn native to the United States?


Is this plant invasive to the United States?


Does ClematisternifloraDC pose any ecological threat?

The native species (C. virginiana) is very similar (margins of leaves of the native tend to be toothed), but not as prone to self-seeding and spreading.Clematis ternifloraprefers sun to partial shade and is found invading forest edges, rights of ways and urban green space especially near creeks. It is native to Japan and China and was introduced into the United States as an ornamental plant.


What is the growth habit of TagetesminutaL.?


What is the growth habit of clasping heliotrope?


Where can I view images of dovefoot geranium?


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


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


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


What is the growth habit of SolanumviarumDunal?


What is the scientific name of asiatic pennywort?


What is the growth habit of silver hairgrass?


Describe the appearance of Broussonetiapapyrifera(L.) L'Hér. ex Vent.?

Broussonetia papyriferais a fast-growing, deciduous tree that grows up to 50 ft. (15.2 m) in height. It invades disturbed areas throughout the eastern United States. The tree crown is broad and rounded with wide-spreading branches. Winter twigs have a "fuzzy" appearance.


Describe the foliage of CarduustenuiflorusW. Curtis?

Stem wings can be up to 0.4 in. (10 mm) wide. Leaves are deeply lobed and also very spiny.


Is field horsetail native to the United States?


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

Invasive (DOC) (Missouri), Invasive, Prohibited (Connecticut), Prohibited (Alaska), Prohibited (New York), Restricted (Wisconsin)


What is the common name of Menthax piperitaL. (pro sp.)?


Describe the appearance of MiscanthussinensisAnderss.?

Miscanthus sinensisis a tall, up to 12 ft. (3.7 m), densely-bunched grass that invades roadsides, forest edges, old fields, and other disturbed areas throughout the United States.


Describe the appearance of NardusstrictaL.?

Nardus strictais a slow growing perennial bunchgrass that is densely tufted, and long-lived.


Describe the appearance of tall vervain?

Verbena bonariensis, Tall vervain is a rapidly growing, erect, clump forming perennial herb. The 3-6 ft. (0.9-1.8 m) tall stems are slender, hirsute, rough and square. Upright stems branch widely off the central stem.V. bonariensismay survive as an annual in colder climates as it readily self-seeds.


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

A. glutinosacan grow on a wide range of soils has been seen to form monotypic stands. Although it can toleate droughts, it prefers moist, damp conditions, especially near water sources. It commonly grows in riparian zones, wetlands, along ponds and lakes. It also grows in forests, forest wetlands and in urban areas.


Is purple deadnettle native to the United States?


What is the invasive/noxious status of Mahoniabealei(Fortune) Carr. and where is it classified as such?


What is the common name of Syzygiumjambos(L.) Alston?


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

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


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


What is the growth habit of lambsquarters?


Is TamarixparvifloraDC. native to the United States?


Is Neonotoniawightii(Wight & Arn.) 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 english oak?


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


What is the scientific name of goldenrain tree?


What is the common name of Puerariamontana(Lour.)Merr.?


Where can I view images of common tarweed?


The fruit are flattened and smooth, with pointed tips. The plant also expands via underground rhizomes.


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


Is Morellafaya(Ait.) Wilbur native to the United States?


Describe the foliage of AgrostemmagithagoL?

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


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.


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


Is SolanumamericanumP. Mill. native to the United States?


Is tropic ageratum native to the United States?


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


What is the scientific name of spotted deadnettle?


What is the growth habit of CerastiumglomeratumThuill.?


Is natalgrass native to the United States?


Fruits are dry berries up to 0.4 in. (1 cm) in diameter covered in sharp spines and contain several wrinkled, flat, black seeds.


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


What is the U.S. Department of Agriculture (USDA) plant symbol for Polygonumconvolvulusvar. subulatumLej. & Court.?


Where can I view images of summer snowflake?


Describe the appearance of LoniceramorrowiiGray?

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


Does red sorrel pose any ecological threat?

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


Where can I view images of PinuspinasterSoland., non Ait.?


What is the scientific name of crowfootgrass?


Describe the flowers of MiscanthussinensisAnderss.?

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


What is the scientific name of brazilian satintail?


What is the growth habit of DipsacusfullonumL.?


Does jointed goatgrass pose any ecological threat?

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


Where can I view images of Syagrusromanzoffiana(Cham.) Glassman?


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


What is the growth habit of FicusmicrocarpaL. f.?


Is this plant invasive to the United States?


What is the growth habit of eastern cottonwood?


Does TussilagofarfaraL. pose any ecological threat?

Tussilago farfarainvades moist, open, disturbed areas such as stream banks, ditches and fields. It readily spreads both by seed and rhizomes, allowing it to form large colonies, which can displace native species.Tussilago farfarais native to Europe and was probably introduced into the United States by early settlers for medicinal purposes.


Is Polypogonmonspeliensis(L.) Desf. native to the United States?


What is the growth habit of ElaeagnuspungensThunb.?


What is the growth habit of Nymphoidescristata(Roxb.) O. Ktze.?


What is the common name of MimosapigraL.?


Is Hieraciumx floribundumWimmer & Grab. [caespitosum x lactucella] native to the United States?


What is the common name of Montanoahibiscifolia(Benth.) Standl.?


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

Invasive, Prohibited (Connecticut), Prohibited (Wisconsin)


Where can I view images of american evergreen?


What is the scientific name of interrupted windgrass?


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


What is the growth habit of Didymospheniageminata(Lyngbye) M. Schmidt?


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

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


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

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


What is the common name of PhalariscanariensisL.?


Is this plant invasive to the United States?


Where can I view images of lily of the valley?


Describe the flowers of LoniceratataricaL.?

Flowers develop in pairs in the axils of the leaves in May to June. Flowers are deeply 5-lobed, tubular, usually pink to red and rarely white.


What is the growth habit of MarsileaquadrifoliaL.?


The seed have many hairs. Awns are straight or bent and up to 0.8 in. (1.8 cm) long. Modified spikelets called cleistogenes can be found inside the stems above the nodes of flowering shoots and at the stem base.


What is the scientific name of balloon cottonbush?


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


Is Myriophyllumaquaticum(Vell.) Verdc. native to the United States?


What is the scientific name of woodland groundsel?


Is BrizaminorL. native to the United States?


Where can I view images of Viburnumopulusssp. opulusLinnaeus?


What is the growth habit of sweet breath of spring?


What is the common name of FlindersiabrayleyanaF. Muell.?


Is creeping capeweed native to the United States?


What is the growth habit of tropical almond?


Describe the appearance of japanese maple?

Acer palmatumcan be grown as a multi-stemmed shrub or a single-stemmed small tree that can grows from 10-25 ft. (3-8 m) tall with a rounded to broadly rounded shape. The twigs have green and red, glabrous bark that is considered very showy. The bark on the trunk and main branches is gray.


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


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


What is the scientific name of rangoon creeper?


Describe the appearance of thorny olive?

Elaeagnus pungensis a dense evergreen shrub that invades natural areas throughout the southeastern United States. The shrub is often multi-stemmed and short. Sharp shoots give it a thorny appearance. Shrubs can grow 3.3-26.3 ft. (1-8 m) tall. Shrubs are usually very dense with long shoots extending from the top.


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


Is this plant invasive to the United States?


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


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


What is the common name of TanacetumvulgareL.?


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


What is the growth habit of holly osmanthus?


Is smallflower tamarisk native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Sennapendula(Humb. & Bonpl. ex Willd.) Irwin & Barneby?


Describe the appearance of orchardgrass?

Dactylis glomeratais a cool-season perennial that grows 1.4-4 ft. (0.43-1.2 m) tall. Under dry conditions it usually develops in clumps.


Is RumexobtusifoliusL. native to the United States?


Where can I view images of large hop clover?


Describe the flowers of LythrumsalicariaL.?

Flowering occurs in July to October, when pink to purplish flowers develop in 4-16 in. (10.2-40.6 cm) long spikes at the tops of the stems. Flowers have 5-7 petals and twice as many stamens as petals.


Where can I view images of annual sowthistle?


Where can I view images of benghal dayflower?


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


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 Festucatrachyphylla(Hack.) Krajina nom. illeg. native to the United States?


Is soft brome native to the United States?


What is the common name of RosagallicaL.?


Describe the fruit of european water chestnut?

The nut-like fruit has two to four, 0.5 in. (1.3 cm) long, sharp, barbed spines. They ripen in about a month and can remain viable as long as 12 years. Each seed can produce 1-15 rosettes and each rosette can produce as many as 20 seeds. The spines can penetrate shoes.


Is LactucasativaL. 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 Syzygiumjambos(L.) Alston?


What is the common name of Limoniumduriusculum(Girard) Fourr.?


Describe the fruit of LonicerastandishiiJacques?

Fruit are bright red berries, about 0.25 in (0.6 cm) in diameter. The berries are eaten and spread by wildlife.


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


What is the growth habit of Oxalispes-capraeL.?


Where can I view images of field horsetail?


Where can I view images of salvation jane?


Where can I view images of MikaniamicranthaKunth?


Fruits are capsules that are ovoid and 0.2 in. (5 mm) in diameter. The seeds are brown and grouped with 1 to 3 seeds per capsule.


What is the growth habit of chinese fountaingrass?


Is Persicariaperfoliata(L.) H. Gross native to the United States?


Describe the appearance of Araliaelata(Miq.) Seem?

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


Is IlexcornutaLindl. & Paxton native to the United States?


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


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


Where can I view images of CaricapapayaL.?


What is the growth habit of WashingtoniarobustaH. Wendl.?


Is this plant invasive to the United States?


Where can I view images of Zantedeschiaaethiopica(L.) Spreng.?


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


What is the common name of Phyllostachysspp.Sieb. & Zucc.?


Does princesstree pose any ecological threat?

Paulownia tomentosais an aggressive tree that invades disturbed natural areas including forests, roadsides, and stream banks. It is native to China and was first introduced into the United States as an ornamental in 1840.


What is the growth habit of hedgehog dogtailgrass?


Is rose myrtle native to the United States?


What is the common name of LathyrussylvestrisL.?


What is the growth habit of tall oatgrass?


Is ApiumgraveolensL. native to the United States?


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

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


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


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


Is SisymbriumaltissimumL. native to the United States?


Is Rapistrumrugosum(L.) All. native to the United States?


Describe the appearance of wetland nightshade?

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.


Describe the appearance of CentaureamacrocephalaPuschk. ex Willd.?

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


Is SolanumtorvumSw. 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 Viciasativassp. sativaL.?


What is the common name of Puerariamontanavar. lobata(Willd.) Maesen & S. Almeida?


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


Is MimosadiplotrichaC. Wright ex Sauvalle native to the United States?


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


What is the invasive/noxious status of lesser celandine, fig buttercup and where is it classified as such?

Invasive, Prohibited (Connecticut), Prohibited (Wisconsin)


What is the common name of Coronopusdidymus(L.) Sm.?


Is Lonicerax bellaZabel [morrowii × tatarica] native to the United States?


What is the growth habit of Persicariaorientalis(L.) Spach?


Where can I view images of syrian beancaper?


What is the growth habit of CasuarinaequisetifoliaL.?


What is the growth habit of AcerplatanoidesL.?


What is the scientific name of black acacia?


Is TrifoliumrepensL. native to the United States?


Where can I view images of CentaureanigraL.?


Describe the foliage of PhellodendronamurenseRupr.?

Leaves are opposite, compound (divided into 5-11 leaflets) and 10-15 in. (25-38 cm) long. Leaflets are elliptical, acute at the apex, 2.5-4.5 in. (6-11 cm) long and smell like turpentine when crushed.


Where can I view images of Lygodiummicrophyllum(Cav.) R. Br.?


Is Coixlacryma-jobiL. native to the United States?


Is herb bennet native to the United States?


Is Sonchusasper(L.) Hill native to the United States?


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


What is the growth habit of Conyzabonariensis(L.) Cronquist?


Where can I view images of wall lettuce?


Does cutleaf teasel pose any ecological threat?

Dipsacus laciniatusgrows in open, sunny habitats preferring roadsides and other disturbed areas, although it can sometimes be found in high quality areas such as prairies, savannas, seeps, and sedge meadows. It was introduced from Europe in the 1700's and spreads by producing abundant seeds. It can be found in the northern states from Massachusetts to Colorado. This is an EDRR plant for the Southeastern United States. It has been reported in Virginia, West Virginia and Kentucky.


Describe the fruit of japanese honeysuckle?

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


Is carpet bugle native to the United States?


Where can I view images of common valerian?


Does yellow devil hawkweed pose any ecological threat?

H. x floribundumoutcompetes native species by producing mats of rosettes. It and invades native meadows, prairies, pastures, fields, roadsides and lawns.H. x floribundumprefers sunny locations.


Is MyoporumlaetumG. Forst. native to the United States?


Describe the flowers of french tamarisk?

Flowers are small and white to pink in color.


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


Is this plant invasive to the United States?


Describe the fruit of Limnophilasessiliflora(Vahl) Blume?

The fruit is an ellipsoid capsule that can contain up to 150 seeds.


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 nit grass?

Gastridiumphleoides(Nees & Meyen) C.E. Hubbard


What is the growth habit of LeonuruscardiacaL.?


Where can I view images of AmaranthusspinosusL?


No fruits or seeds typically. Spreads vegetatively through rhizomes.


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


What is the common name of SalixpentandraL.?


Where can I view images of trumpet-tree?


Is ButomusumbellatusL. native to the United States?


Is subterranean clover native to the United States?


What is the common name of EuphorbiamyrsinitesL?


What is the common name of MirabilisjalapaL.?


Where can I view images of old world climbing fern?


What is the growth habit of brazilian nightshade?


What is the scientific name of creeping yellow loosestrife, creeping jenny?


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


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


Describe the foliage of callery pear (bradford pear)?

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


Where can I view images of PlantagomajorL.?


Where can I view images of Ardisiajaponica(Thunb.) Blume?


Describe the foliage of annual bluegrass?

Leaves are light green in color, especially when compared to the dark green color of other closely related turfgrass species (for example Kentucky Bluegrass,Poa pratensis). Leaf blades are 0.5-5 in. (1.3–12.7 cm) long, 0.04-0.2 in. (1-5 mm) wide, folded in the bud and lack hairs on either surface.


The leaves are alternate proximally but can become opposite as they advance up the vine. They are about 3 to 6 inches long, 3 to 4 inches wide and heart to fiddle shaped (margins three-lobed), with prominent, parallel veins. The petiole base is not clasping. Leaves are usually more rounded when young or on young plants and fiddle shaped farther along the stem and on older plants. The rounded stems are thin and wiry.


Describe the appearance of ArctiumminusBernh.?

Arctium minusgrows up to 6 ft. (1.8 m) tall. It is a biennial forb that occurs throughout the United States. First year plants form large rosettes. A stout flowering stalk is formed in the second year.


Describe the foliage of GaliummollugoL.?

The leaves are simple and margins are entire. Leaves are whorled around the stem with three or more leaves per node along the stem.


What is the growth habit of AesculusglabraWilld.?


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


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

Category 1 (Alabama), Watch List (Michigan)


What is the scientific name of milkflower cotoneaster?


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


Is this plant invasive to the United States?


Describe the foliage of Lygodiummicrophyllum(Cav.) R. Br.?

Vines are thin, wiry, and remain green throughout winter. The fronds (leaves of a fern) are opposite, singly compound, 2-5 in. (5-12.7 cm) long with thick, usually unlobed leaflets. Fertile fronds have lobes around the margin, where sporangia are covered with rolled leaf tissue. It has two types of leaflets on its climbing leaf. The leaflet with the simple (unlobed) outline is a normal vegetative leaflet. The more convoluted leaflet has sporangia along its margin.


Is prickly-ash native to the United States?


Is beach vitex native to the United States?


What is the common name of Anchusaarvensis(L.) Bieb?


What is the common name of CupressusmacrocarpaHartw. ex Gord.?


Is corkscrew willow native to the United States?


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


What is the scientific name of nodding beggarticks?


Does caesarweed pose any ecological threat?

Urena lobatainvades disturbed areas, pastures, eroded areas, and perennial crop plantations.Urena lobatatolerates salt spray but does not grow in saturated soils. Having an aggressive habit, this weed grows rapidly and can reach 2-7 ft. (0.6-2.1 m) by the end of the first year.


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


What is the growth habit of peregrine saltbush?


Is cogongrass native to the United States?


What is the growth habit of EugeniaunifloraL.?


Is staghorn sumac native to the United States?


What is the scientific name of chinese fir?


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


What is the common name of ConiummaculatumL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for PinusponderosaP.& C. Lawson?


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

Flowers are bluish purple in color, 3 in. (7.6 cm) in diameter, and appear almost florescent due to the brilliantly colored petals, flowering year round.


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


What is the scientific name of chinese catalpa?


Is this plant invasive to the United States?


What is the growth habit of Viciahirsuta(L.) S.F. Gray?


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


What is the invasive/noxious status of Nymphoidescristata(Roxb.) O. Ktze. and where is it classified as such?


What is the common name of Alternantherasessilis(L.) R. Br. ex DC.?


What is the scientific name of chamber bitter?


What is the common name of Rosax damascenaP. Mill. [gallica × moschata]?


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


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


Describe the foliage of hispanic hyacinthoides?

Leaves are linear to lanceolate, strap-shaped, 7.9 to 19.7 in. (20-50 cm) x 0.4 to 1.4 in. (10-35 mm). Each plant usually has only 4 to 8 leaves.


Is thunberg's geranium native to the United States?


Where can I view images of EucalyptustereticornisSm.?


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


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


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


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


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


Is this plant invasive to the United States?


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


Is wild four-o'clock native to the United States?


Describe the flowers of fragrant waterlily?

There is one flower to a stem. Flowers are white to pink, round in shape, and 2-6 in. (5-15.2 cm) across with more than 25 thick pointed petals.


Describe the fruit of coco yam, wild taro?

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


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


Does Ampelopsisglandulosavar. brevipedunculata(Maxim.) Momiy. pose any ecological threat?

Ampelopsis glandulosa var. brevipedunculataprefers moist, rich soils and can thrive in a wide range of light availability. It invades streambanks, pond margins, forest edges and other disturbed areas. The thick mats formed by this climbing vine can cover and shade out native shrubs and young trees. It spreads very quickly since birds and mammals eat and thus disperse the seeds.Ampelopsis glandulosa var. brevipedunculatais native to Japan and northern China and was first introduced into the United States in 1870 as an ornamental and landscaping plant.


Is common duckweed native to the United States?


Is GalegaofficinalisL. native to the United States?


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


Artemisia vulgarisis a perennial herb that can grow from 24-63 in (60-160 cm) high. The stems are branched and purplishbrown. The ascending stems are covered with short hairs.A. vulgarisis rhizomatous, and often produces vegetative colonies of plants. It is native to northeastern Asia and extreme northwestern North America (Alaska).


What is the scientific name of jerusalem-cherry?


What is the scientific name of common tansy?


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


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


Where can I view images of Tripleurospermummaritimum(L.) W.D.J. Koch?


What is the growth habit of NardusstrictaL.?


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

Potentially Invasive, Prohibited (Connecticut)


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


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


Does Hydrocharismorsus-ranaeL. pose any ecological threat?

In the fall,Hydrocharis morsus-ranaebreaks apart and decomposes, falling to the bottom of the lake. The decomposition of huge volumes of vegetation in the water can deplete dissolved oxygen levels. If there are insufficient amounts of oxygen, fish and other aquatic organisms can die. These thick mats can also impede the movement of large fish and diving ducks.


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


Is this plant invasive to the United States?


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


What is the common name of Sennasurattensis(Burm. f.) Irwin & Barneby?


Is perennial sowthistle native to the United States?


What is the scientific name of high mallow?


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


What is the common name of ErythrinavariegataL.?


Describe the foliage of Lygodiumjaponicum(Thunb. ex Murr.) Sw.?

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


Describe the flowers of absinth wormwood?

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


Does giant hogweed pose any ecological threat?

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


What is the growth habit of Opuntiaficus-indica(L.) P. Mill.?


What is the scientific name of little ironweed?


Describe the flowers of HypericumperforatumL.?

Flowering occurs from June to September, when bright yellow flowers develop at the tips of the stems. Flowers have five petals and many stamens. Petals typically have black glands along the margins.


What is the common name of SonchusarvensisL.?


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


What is the growth habit of roughstalk bluegrass?


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


What is the growth habit of beach vitex?


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


Is japanese clover native to the United States?


Is crystalline iceplant native to the United States?


Is RubusargutusLink native to the United States?


What is the common name of Pinuselliottiivar. elliottiiEngelm.?


Describe the fruit of CynoglossumofficinaleL.?

Each flower can produce up to 4 fruits. The fruits are nutlets, the surfaces of which are flat and densely covered with small, barbed hooks (glochidia) that facilitate dispersal by animals.


Flower heads are discoid, large, and seen in loose clusters on top of the stalk. The involucres are hemispheric, 2 in. (5 cm) in diameter having stout spines at the tips. Flowers are purple to blue, slender tubes, and linear.


Is this plant invasive to the United States?


Does LamiumamplexicauleL. pose any ecological threat?

Lamium amplexicaulecan be found in thrives in cool, moist areas and occurs in yards, parks, roadsides, fallow fields, winter grain crops, pastures, and turf grass. It can be highly competitive in newly seeded areas.Lamium amplexicaulehas been found to be an overwintering host for soybean cyst nematode. it is also an alternative host for corn earworm.


What is the scientific name of japanese black pine?


Is rice flatsedge native to the United States?


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


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


Does brazilian waterweed, brazilian elodea pose any ecological threat?

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


Describe the flowers of CentaureamacrocephalaPuschk. ex Willd.?

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


What is the growth habit of CommelinacommunisL.?


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

Persicaria perfoliatais an herbaceous, annual vine that invades disturbed areas in Oregon and portions of the northeastern United States. The delicate stems are reddish, highly branched and covered with small, curved spines. Circular, leafy structures (ocreae) surround the stem at the base of the petioles.


Is calla lily native to the United States?


Is HordeummurinumL. native to the United States?


What is the scientific name of birdsfoot trefoil?


Is Anchusaarvensis(L.) Bieb native to the United States?


Does Kummerowiastipulacea(Maxim.) Makino pose any ecological threat?

K. stipulaceaoccurs in old fields, roadsides, grasslands, mountain slopes, stable or semistable sand dunes. It is native to Korea and was introduced into the United States and has become established in natural areas.


Is lesser hawkbit native to the United States?


What is the growth habit of staghorn sumac?


Is grecian foxglove native to the United States?


What is the common name of AsclepiascurassavicaL.?


Describe the flowers of perennial sowthistle?

Flowering occurs in June to October, when yellow, tight, dandelion-like flower heads develop at the tips of the branches. Flowers open 2-3 hours after sunrise and close about noon.


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 appearance of japanese wisteria?

Wisteria floribundais a deciduous, woody vine capable of growing to a height of 35 ft. (10.7 m). Stems can be up to 10 in. (25.4 cm) in diameter, with smooth, light gray to white bark. When looking down at the plant the vines twine around the host plant in a clockwise direction.


Where can I view images of woman's tongue tree?


Where can I view images of PrunusmahalebL.?


Is common chickweed native to the United States?


What is the growth habit of VitextrifoliaL.?


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


What is the common name of RosamicranthaBorrer ex Sm.?


Describe the fruit of queen-devil hawkweed?

The dandelion like seedsH. glomeratumof have long hairs to aid in dispersal by wind.


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


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


Describe the flowers of Arctothecaprostrata(Salisb.) Britten?

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


What is the growth habit of purple pampasgrass?


What is the scientific name of bellardia?


Preferred habitat includes open, disturbed areas such as roadsides, right-of-ways, forest edges, and old fields.Pueraria montana var. lobataoften grows over, shades out and kills all other vegetation, including trees. It is native to Asia and was first introduced into the United States in 1876 at the Philadelphia Centennial Exposition. It was widely planted throughout the eastern United States in an attempt to control erosion.


Describe the fruit of CentaureavirgataLam.?

Seeds are dispersed when the plant breaks off at the base and tumbles across the landscape dispersing seeds along the way.


What is the growth habit of indian camphorweed?


Where can I view images of winged burning bush?


Does foxglove pose any ecological threat?

Due to the cardiac glycoside digitoxin, in the leaves, flowers and seeds of this plant, it is poisonous to humans and some animals and can be fatal if eaten.


What is the U.S. Department of Agriculture (USDA) plant symbol for Actinidiaarguta(Siebold & Zucc.) Planch. ex Miq.?


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


Is paragrass native to the United States?


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


What is the scientific name of rosarypea?


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


Where can I view images of perennial pepperweed?


What is the growth habit of centipede tongavine?


Describe the foliage of Mahoniabealei(Fortune) Carr.?

Leaves are pinnately compound, 18 in. (46 cm) long, with 9-13 holly-like leaflets. Leaflets are 2-4 in. (5-10 cm) long and 1-2 in. (2.5-5.1 cm) wide.


Is this plant invasive to the United States?


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


Describe the flowers of meadow hawkweed?

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


What is the common name of Sphaerophysasalsula(Pallas) DC.?


Is sour paspalum native to the United States?


Where can I view images of yellow floating heart?


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


What is the U.S. Department of Agriculture (USDA) plant symbol for Gastridiumphleoides(Nees & Meyen) C.E. Hubbard?


What is the growth habit of ThlaspiarvenseL.?


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


What is the scientific name of tall buttercup?


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


Describe the foliage of DianthusarmeriaL.?

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


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


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


Is arrow bamboo native to the United States?


Where can I view images of fountain palm?


Is this plant invasive to the United States?


Describe the fruit of common st. johnswort?

The fruits are three-chambered capsules with three persistent styles.


What is the scientific name of perennial veldtgrass?


Describe the fruit of SolanumrostratumDunal?

Fruits are dry berries up to 0.4 in. (1 cm) in diameter covered in sharp spines and contain several wrinkled, flat, black seeds.


What is the common name of GeumurbanumL.?


What is the scientific name of cherry plum?


Does common burdock, lesser burdock pose any ecological threat?

Arctium minuscan become a problematic invader of pastures, hay fields and open prairie ecosystems. It acts as a secondary host for pathogens, such as powdery mildew and root rot, which affect economically important plants.Arctium minusis native to Europe and came to the United States via accidental introduction. Indirectly affects the development of economically important plants by hosting powdery mildew and root rot. Reduces the value of sheep’s wool due to the seed heads entangling in it. It is responsible for tainting milk products if grazed in large quantities.


Does tasmanian bluegum pose any ecological threat?

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


What is the common name of Callicarpadichotoma(Lour.) K. Koch?


What is the U.S. Department of Agriculture (USDA) plant symbol for Cedrusdeodara(Roxb. ex D. Don) G. Don f.?


Is Viciasativassp. nigra(L.) Ehrh. native to the United States?


Does smallflower tamarisk pose any ecological threat?

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


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


What is the growth habit of Sechiumedule(Jacq.) Sw.?


What is the common name of Leontodontaraxacoidesssp. taraxacoidesL.?


Where can I view images of Halogetonglomeratus(Bieb.) C.A. Mey.?


What is the scientific name of border privet?


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


Is this plant invasive to the United States?


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


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


Is oriental lady's thumb native to the United States?


Is Ludwigiapeploides(Kunth) Raven native to the United States?


What is the growth habit of Cirsiumvulgare(Savi) Ten.?


What is the scientific name of english ivy?


What is the growth habit of CentaureanigraL.?


What is the common name of Scheffleraactinophylla(Endl.) H.A.T. Harms?


Is delta maidenhair native to the United States?


What is the common name of Bassiascoparia(L.) A.J. Scott?


What is the scientific name of blue panicum?


What is the common name of AcaciaretinodesSchlecht.?


Leaves are palm-like with 7-16 leaflets. Leaflets are ovate, entire and 12 in. (30 cm) long.


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

Flowering occurs in summer to early fall, when large, red inflorescences develop at the stem tips. Flowers are red and 1 in. (2.5 cm) wide.


Is PinusjeffreyiGrev. & Balf. native to the United States?


What is the invasive/noxious status of Akebiaquinata(Houtt.) Dcne. and where is it classified as such?

Invasive (North Carolina), Prohibited (Wisconsin)


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


What is the growth habit of ArdisiaellipticaThunb?


Flowers are in clusters that are 0.5-2 ft. (0.15-0.61 m) long when fully mature. Each flower can be 0.3 in. (7.6 mm) across, consisting of 4 yellow petals. The petals are rounded toward their tips. Flowers are in bloom during the summer.


Describe the appearance of Colocasiaesculenta(L.) Schott?

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


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.


What is the scientific name of alsike clover?


What is the scientific name of uruguayan pampas grass?

Cortaderiaselloana(Schult. & Schult. f.) Asch. & Graebn.


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


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


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


Is sweet vernalgrass native to the United States?


Where can I view images of yellow groove bamboo?


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


What is the scientific name of brazilian jasmine?


Does Hemerocallisfulva(L.) L. pose any ecological threat?

Hemerocallis fulvaestablished in natural areas pose a threat to native plants in field, meadows, floodplains, moist woods and forest edges. Once established, this plant multiplies and spreads to form dense patches that displace native plants. The thick tubers make it a challenge to control. Common or orange daylily was introduced into the United States in the late 19th century as an ornamental.


Is satinleaf native to the United States?


What is the growth habit of Silenecoronaria(L.) Clairv.?


Describe the foliage of Linariadalmatica(L.) P. Mill.?

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


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 simpleleaf chastetree native to the United States?


Describe the foliage of korean lespedeza?

Leaves are alternate, trifoliate, petiolate and up to 0.75 in. (4 cm) long.


Where can I view images of meadow campion?


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


Does japanese wisteria pose any ecological threat?

Invasions often occur around previous plantings.Wisteria floribundacan displace native vegetation and kill trees and shrubs by girdling them. The vine has the ability to change the structure of a forest by killing trees and altering the light availability to the forest floor. A native of Japan, it was first introduced into North America around 1830 for ornamental purposes.


Is red morning-glory native to the United States?


What is the common name of Thelypterisopulenta(Kaulf.) Fosberg?


Where can I view images of water chestnut?


Is queen-devil hawkweed native to the United States?


Is PhyllostachysaureosulcataMcClure native to the United States?


Does japanese barberry pose any ecological threat?

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


Where can I view images of hawkweed oxtongue?


What is the common name of CinchonapubescensVahl?


The leaf blades are linear, 0.04-0.07 in. (1-2 mm) wide, 16-24 in. (40-60 cm) long, flat or slightly involute, and rigid. Feels rough to touch. The sheaths are open and glabrous, but with ciliate hairs along the upper margins and especially at the auricles. The ligules are membranous.


What is the scientific name of madagascar periwinkle?


Is queen anne's lace, wild carrot native to the United States?


Is blue lawngrass native to the United States?


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


Is LuziolasubintegraSwallen native to the United States?


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

The fruit ofAcacia melanoxylonis an elongated, flattened pod approximately 1.6-6 in. (4-15 cm) long and 0.1-0.3 in. (3.5-8 mm) wide. The pods are strongly curved, twisted or coiled. These pods are mostly glabrous with only a slight constriction between each seed. The pods are green and leathery when young, maturing to brown to reddish-brown in color and become woodier. The seeds are elliptic and about 0.1-0.2 in. (3-5 mm) long and 0.07-0.1 in. (1.7-3 mm) wide. Seeds are glossy, black and are encircled by a large pink to dark red aril.


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


Is spotted deadnettle native to the United States?


What is the scientific name of sweet granadilla?


Is hedge maple native to the United States?


What is the growth habit of large yellow vetch?


Is Silenevulgaris(Moench) Garcke native to the United States?


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


Where can I view images of SalsolasodaL.?


What is the common name of TussilagofarfaraL.?


What is the common name of Melilotusofficinalis(L.) Lam.?


What is the scientific name of african olive?

Oleaeuropaeassp. cuspidata(Wall. ex G. Don) Ciferri


Is yellow foxtail native to the United States?


Where can I view images of western waterhemlock?


Where can I view images of wild parsnip?


What is the growth habit of gold coast jasmine?


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


Describe the fruit of CrupinavulgarisCass.?


Is this plant invasive to the United States?


Where can I view images of yellow foxtail?


What is the growth habit of TragopogonporrifoliusL.?


Describe the fruit of common periwinkle?

No fruits or seeds typically. Spreads vegetatively through rhizomes.


Violet to blue lavender (to white), with five petals radiating pinwheel-like at right angles from the floral tube. Flowers from 1.5-2 in. (4-5 cm) wide with a 0.6-0.8 in. (1.5-2 cm) long tube. Five sepals long lanceo-late, about 0.4 in. (1 cm), hairy margined. Blooms April to May, then sporadically to September.


Is Sporobolusindicus(L.) R. Br. native to the United States?


What is the scientific name of english holly?


Does common cordgrass pose any ecological threat?

Spartina anglicacan be found in mudflats, channels, marshes, and even in meadows. It is native to northern Europe.


Where can I view images of MaluspumilaP. Mill.?


Is Tripidiumravennaessp. ravennae(L.) H. Scholz native to the United States?


Does ClematisvitalbaL. pose any ecological threat?

Clematis vitalbais found along streams, fencelines, forest edges, and hillsides. It is native to Europe and west Asia. Be aware,Clematis vitalbais often confused with English Ivy, but in winter,Clematis vitalbalooses its leaves whereas Ivy does not.


Is rough maidenhair fern native to the United States?


What is the growth habit of cherry plum?


What is the common name of PyrusbetulifoliaBunge?


What is the growth habit of boreal chickweed?


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


Is common mallow native to the United States?


Is Ipomoeacarneassp. fistulosa(Mart. ex Choisy) D. Austin native to the United States?


What is the scientific name of red sesbania?


What is the common name of DactylisglomerataL.?


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


Where can I view images of PinusradiataD. Don?


Is banana poka native to the United States?


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


Where can I view images of HypericumcanarienseL.?


Is this plant invasive to the United States?


Is red mangrove native to the United States?


Describe the flowers of common viper's bugloss, blueweed?

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


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

Cupaniopsis anacardioidesAn evergreen tree that can grow to 32.8 ft. (10 m) tall.


Is maritime pine native to the United States?


What is the growth habit of common hempnettle?


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


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


Describe the fruit of CentaureamelitensisL.?

The fruit are 0.08-0.12 in. (2-3 mm) in length, grayish to tan in color with deeply notched bases and tan bristles that are 0.04-0.12 in. (1-3 mm) long.


Where can I view images of Livistonachinensis(Jacq.) R. Br. ex Mart.?


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


Does CentaureamacrocephalaPuschk. ex Willd. pose any ecological threat?

Centaurea macrocephalawill out-compete grasses and other forage species, reducing food sources for wildlife and livestock. It is very difficult to remove once established. It is native to Turkey.


Describe the foliage of LonicerafragrantissimaLindl. & Paxton?

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


What is the common name of Microthlaspiperfoliatum(L.) F.K. Mey.?


Is petite-licorice native to the United States?


Does OleaeuropaeaL. pose any ecological threat?

Olea europaeais being grown as a crop in some states. It has escaped cultivation and can be found in disturbed areas including grasslands, scrublands, and urban areas.Olea europaeais native to Africa, Asia-temperate, and Europe.


Is european mountain-ash native to the United States?


What is the common name of TrifoliumhirtumAll.?


What is the common name of VitextrifoliaL.?


Describe the flowers of blessed milkthistle?

Purple thistle flower heads develop at the apex of the stems. They are 0.8-2.5 in. (2-6.4 cm) in diameter at the base and are enclosed in a projecting, spiny involucre. Flowers from April to July.


What is the growth habit of Cryptomeriajaponica(L. f.) D. Don?


Describe the fruit of brazilian waterweed, brazilian elodea?

Outside of its native habitat,Egeria densaonly reproduces vegetatively. Special double nodal regions can produce lateral buds, branches and roots. Only a double node can produce a new plant when it breaks off from the parent plant.


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


What is the invasive/noxious status of japanese hedge-parsley, erect hedgeparsley and where is it classified as such?


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 smallseed alfalfa dodder native to the United States?


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


Where can I view images of slender snakecotton?


What is the growth habit of Citrusx limon(L.) Osbeck?


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


Where can I view images of MarrubiumvulgareL.?


What is the scientific name of red valerian?


Where can I view images of smallseed alfalfa dodder?


What is the common name of PyruscalleryanaDecne.?


Is PrunusdomesticaL. native to the United States?


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


What is the common name of AcoruscalamusL.?


White, four-petaled, 2 in. (5.1 cm) wide flowers occur in the spring.


Is Pennisetumglaucum(L.) R. Br. native to the United States?


Describe the foliage of european water chestnut?

The rosette of leaves on the surface of the water are alternate, triangular in shape, strongly dentate (toothed) and connected to the stem by an inflated petiole. Submerged leaves are feathery and either opposite or alternate.


What is the common name of Setariapumilassp. pumila(Poir.) Roem. & Schult.?


What is the growth habit of Linariadalmatica(L.) P. Mill.?


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


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


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

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


Is MicrolaenastipoidesLabill. native to the United States?


Describe the appearance of european waterstarwort?

Callitriche stagnalisis an aquatic perennial with elongate stems that can grow from 3.94-11.81 in. (1-3 dm) in length.


Is bur buttercup native to the United States?


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.


What is the common name of PanicumantidotaleRetz.?


What is the scientific name of tall lodgepole pine?

Pinuscontortavar. latifoliaEngelm. ex S. Watson


What is the growth habit of incense-cedar?


Describe the foliage of AmbrosiatomentosaNutt.?

A. tomentosaleaves are alternate, up to 5 in. (12.7 cm) long. They are finely dissected and deeply lobed with coarsely toothed margins. The upper leaf surface is greenish-gray and may have rough hairs. The lower leaf surface is covered with white short, dense hairs.


What is the common name of Muscaribotryoides(L.) P. Mill.?


What is the scientific name of princess-feather?


Is yellowtuft native to the United States?


What is the common name of MenthaaquaticaL.?


What is the common name of Solanumspp.L.?


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


What is the growth habit of Pyracanthaspp.L.?


Is this plant invasive to the United States?


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

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


Where can I view images of OxalisstrictaL.?


Is caesarweed native to the United States?


Is black nightshade native to the United States?


Does austrian fieldcress pose any ecological threat?

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


What is the common name of OrnithogalumumbellatumL.?


Describe the fruit of Lygodiumjaponicum(Thunb. ex Murr.) Sw.?

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


What is the growth habit of water speedwell?


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


What is the U.S. Department of Agriculture (USDA) plant symbol for Oxysporapaniculata(D. Don) DC.?


What is the growth habit of Ligustrumspp.L.?


What is the growth habit of himalayan blackberry?


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


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


Is Sonchusarvensisssp. uliginosus(M. Bieb.) Nyman native to the United States?


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


Describe the foliage of siberian peashrub?

Leaves are alternate and 3-5 in. (7.6-12.7 cm) long. Each leaf is composed of 8 to 12 elliptic leaflets. Bark is smooth and green becoming duller as it ages.


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


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

Category 2 (Alabama), Invasive (North Carolina)


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


What is the U.S. Department of Agriculture (USDA) plant symbol for Ventenatadubia(Leers) Coss. & Durieu?


Is black bindweed native to the United States?


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


Does AcaciaconfusaMerr pose any ecological threat?

Acacia confusacan form monocultures and it has proven to be an invasive problem in some islands after introduction.


Is CarlinavulgarisL. native to the United States?


Where can I view images of golden bellapple?


What is the common name of Drymariacordata(L.) Willd. ex J.A. Schultes?


What is the common name of Albizialebbeck(L.) Benth?


Is this plant invasive to the United States?


Does callery pear (bradford pear) pose any ecological threat?

Pyrus calleryana'Bradford', produce sterile fruits because they do not self-pollinate. They have been widely planted throughout the United States since the early 1900s as an ornamental. New cultivars ofPyrus calleryanawere bred to reduce the tree's tendency to split in snow or high winds. The Bradford pear cultivar, otherP. calleryanacultivars andP. betulifoliaor Asian pear, can hybridize and produce fertile fruit. In addition to this, fertile pear varieties are commonly used as the rootstock when grafting. If the grafted crown is damaged the fertile rootstock can them dominate, producing fertile fruit. These factors and others may have contributed to the trees seeding out into natural areas and becoming an invasive problem.


Describe the fruit of mediterranean sage?

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


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 strawberry raspberry native to the United States?


Where can I view images of Oncosiphonpiluliferum(L. f.) Källersjö?


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


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


Is european black alder native to the United States?


Describe the fruit of Hydrillaverticillata(L. f.) Royle?

Turions (stem tubers) are bud-like structures which can drop off the plant and successfully survive freezing or drought. Tubers from the rhizomes are another way these plants reproduce and increase their invasive potential.


Describe the appearance of CarexkobomugiOhwi?

Carex kobomugiis a perennial plant that occurs along coastal areas. Plants, on average, are about 1 ft. (0.3 m) tall.


What is the scientific name of valamuerto?

Sennapendulavar. advena(Vogel) Irwin & Barneby


Is witchgrass native to the United States?


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


Where can I view images of spotted knapweed?


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


What is the growth habit of SolanumtampicenseDunal?


What is the common name of SolanumdulcamaraL.?


What is the growth habit of Syzygiumjambos(L.) Alston?


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


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


Is ImperatabrasiliensisTrinius native to the United States?


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


What is the growth habit of RobiniahispidaL.?


What is the scientific name of iguanatail?


What is the growth habit of squirreltail fescue?


Is EuphorbiamyrsinitesL native to the United States?


Is this plant invasive to the United States?


Lemmas are broader at the upper-half, tapering to the bottom, with margins not strongly enrolled in the fruit. Awns are 1/4-3/4 in. long, somewhat twisted and widely spread at maturity.


Describe the flowers of bohemian knotweed, hybrid japanese knotweed?

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


What is the growth habit of purple deadnettle?


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

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


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

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


Is PistaciachinensisBunge native to the United States?


What is the growth habit of bouncingbet?


Is SigesbeckiaorientalisL. native to the United States?


What is the common name of RubussieboldiiBlume?


What is the scientific name of mission grass?


What is the scientific name of american sweetflag?


Fruits are round berries that are globose, purple to black when ripe and 0.24-0.28 in. (6-7 mm) in diameter with seeds that are ovoid to pyramidal 0.02 (0.5 mm) long.


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

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


Describe the foliage of canary island st. johnswort?

Leaves are lanceolate, waxy, opposite, with a prominent midvein and green coloring through winter and orange during summer before they fall off.


Is IpomoeacoccineaL. native to the United States?


Dittrichia graveolensis an annual herb with a very rank smell that can grow up to 7.9-51.2 in. (0.2-1.3 m) tall.


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


Where can I view images of austrian fieldcress?


Is common gypsyweed native to the United States?


Is oriental mangrove native to the United States?


What is the growth habit of geraldton carnation weed?


Is this plant invasive to the United States?


Is PopulusbalsamiferaL. native to the United States?


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


What is the scientific name of asian kelp?


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


Is CentauriumerythraeaRafn native to the United States?


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


What is the growth habit of CecropiaobtusifoliaBertol.?


What is the scientific name of mayweed, scentless chamomile?


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


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

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


Is LotuspedunculatusCav. native to the United States?


What is the growth habit of broadleaf carpetgrass?


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


Is artilleryweed native to the United States?


What is the growth habit of DigitariasetigeraRoth ex Roemer & J.A. Schultes?


What is the scientific name of strawberry raspberry?


What is the scientific name of firethorn?


Does VincaminorL. pose any ecological threat?

Vinca minorhas escaped cultivation and is invading natural areas throughout the eastern U.S. It inhabits open to shady sites including forests and often escapes from old homesites.Vinca minorgrows vigorously and forms dense and extensive mats along the forest floor, displacing native herbaceous and woody plant species.Vinca minorwas first introduced into North America in the 1700s as an ornamental. It is still commonly sold as an ornamental ground cover.


Does Berteroaincana(L.) DC pose any ecological threat?

Spreads rapidly due to the high number of seeds per plant. The plant emerges early in spring and continues to flower and produce seed until frost. It can cause toxicity to horses.


Is this plant invasive to the United States?


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


Where can I view images of Setariaparviflora(Poir.) Kerguélen?


Describe the appearance of LonicerastandishiiJacques?

Lonicera standishiiis an upright, shallow-rooted deciduous shrub that grows up to about 8 ft (2.4 m) tall. It has a solid, white pith. Branches are covered with stiff reddish-brown hairs. It has pale, shredding bark.L. standishiiis native to temperate Asia.


What is the common name of HibiscussyriacusL.?


What is the growth habit of CannabissativaL?


Does cherry laurel pose any ecological threat?

Prunus laurocerasuscan be found in woodland edges and in forest areas. It is native to southwest Asia and southeast Europe. Seeds are very toxic to humans and may be fatal if eaten.


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 invasive/noxious status of CentaureanigraL. and where is it classified as such?


What is the growth habit of ViciagrandifloraScop.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Livistonachinensis(Jacq.) R. Br. ex Mart.?


Is twoflower passionflower native to the United States?


Is HordeummarinumHuds. native to the United States?


What is the growth habit of white kyllinga?


Describe the foliage of himalayan blackberry?

The leaves of the prima cane (first year shoots) are 2.8-7.9 in. (0.9-2.4 cm) long and are palmately compound with 5 leaflets. In the second year, several side shoots are produced (flora canes) having smaller leaves with 3 leaflets. The leaflets are oval and toothed with thorns along the underside of the mid-rib.


Describe the flowers of LysimachiavulgarisL.?

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


What is the common name of PoapratensisL.?


Where can I view images of white bryony?


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


What is the scientific name of bulbous bluegrass?


Where can I view images of EuphorbiaesulaL.?


Is this plant invasive to the United States?


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


Describe the fruit of Hygrophilapolysperma(Roxb.) T. Anders.?

The fruits are oblong capsules with trichomes along the edge. Each fruit produces from 20-30 seeds. Fruits mature from October to January.


Is Epidendrumx obrienianumRolfe [evectum × ibaguense] native to the United States?


Describe the foliage of benghal dayflower?

Leaves are alternate, lily-like, 1.2-2.8 in. (3-7 cm) long and often have reddish hairs towards the tip.


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

Invasive (IPC) (Missouri), Potentially Invasive, Prohibited (Connecticut), Prohibited (New York), Tier 2 (Maryland)


Describe the flowers of Cinnamomumcamphora(L.) J. Presl?

Small white to cream colored flowers develop in the spring.


Describe the flowers of RicinuscommunisL.?

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


Describe the foliage of multiflora rose?

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


Is valamuerto native to the United States?


Where can I view images of CabombacarolinianaA. Gray?


What is the growth habit of CyperusentrerianusBoeckl.?


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


Describe the appearance of DactylisglomerataL.?

Dactylis glomeratais a cool-season perennial that grows 1.4-4 ft. (0.43-1.2 m) tall. Under dry conditions it usually develops in clumps.


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


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


Is velvetleaf native to the United States?


What is the growth habit of blessed milkthistle?


Is this plant invasive to the United States?


What is the invasive/noxious status of Limnophilasessiliflora(Vahl) Blume and where is it classified as such?

Noxious (United States), Prohibited (Wisconsin)


What is the scientific name of kikuyugrass?


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


Describe the foliage of Phyllostachysnigra(Lodd.) Munro?

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


What is the scientific name of atlantic ivy?


Describe the flowers of Limnophilasessiliflora(Vahl) Blume?

The small flowers are sessile and arise singly from the leaf axis. The violet, lavender, pink, or blue flowers have five fused petals that form a tube. The floral tube has two lips, which have distinct purple lines on the undersides. The five sepals are green and hairy. Sepals are from 0.16-0.2 in. (4-5 mm) long.


Is Parentucelliaviscosa(L.) Caruel native to the United States?


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


Does largeleaf lantana pose any ecological threat?

Lantana camarais native to Central and South America and occurs in open to partly shaded moist areas. It was introduced into the United States in the 1800s and is still sold as an ornamental for landscaping. May be confused with threatened native species with which it readily hybridizes.


What is the growth habit of Macfadyenaunguis-cati(L.) A.H. Gentry?


The abundant fruits are spherical, 0.3-0.05 in. (1-1.3 cm) long. Fruit begins green and ripens to a dark purple to black color and persists into winter. Birds and wildlife eat the fruit and disperse the seeds. Seed soil viability is about one year. It also colonizes by root sprouts.


Where can I view images of rough mannagrass?


Describe the flowers of TamarixramosissimaLedeb.?

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


Does Cupaniopsisanacardioides(A. Rich.) Radlk. pose any ecological threat?

Cupaniopsis anacardioidesis found in coastal areas and within disturbed wetlands. It is native to Australia, Indonesia, and New Guinea.


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 japanese climbing fern pose any ecological threat?

Lygodium japonicumoften invades disturbed areas such as roadsides and ditches, but can also invade natural areas. It generally is scattered throughout the landscape, but can form dense mats that smother understory vegetation, shrubs and trees. This plant is native to eastern Asia and was first introduced into the United States during the 1930s for ornamental purposes.


Where can I view images of sensitive partridgepea?


Is rattlesnake brome native to the United States?


What is the scientific name of skunk-vine?


What is the growth habit of rice flatsedge?


Where can I view images of tree tobacco?


Is this plant invasive to the United States?


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


What is the growth habit of knotroot foxtail?


What is the common name of CentaureadebeauxiiGren. & Godr. [excluded]?


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


Where can I view images of fuzzy pride-of-rochester?


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.


Describe the flowers of ConvallariamajalisL.?

The bell like dainty white flowers are held on erect racemes and have a strong, sweet perfume and bloom in the spring.


Describe the fruit of AcerplatanoidesL.?

The pendulous fruit measure 1.5-2 in. (4-5 cm) in length. The fruit are samaras that are green when young and turn yellow, then brown, with age. The samara wings are divergent, reaching nearly 180 degree angle to each other and are dispersed by wind.


Describe the appearance of RanunculusrepensL.?

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


The flowers give way to a smooth, thin seed pod that is 2-4 in. (5.1-10.2 cm) in length.


The leaves are simple, alternate and lanceolate to oblong-lanceolate. They are 1-4 in. (3-10 cm) long and have silver scales on both sides.


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


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


What is the scientific name of grassy arrowhead?


Where can I view images of Megathyrsusmaximus(Jacq.) R. Webster?


Describe the fruit of ButomusumbellatusL.?

The fruit is beaked which split at maturity to release the seeds. The seeds float which allows them to be easily dispersed by water.


Where can I view images of brazilian nightshade?


Is FoeniculumvulgareP. Mill. native to the United States?


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


Describe the appearance of Ludwigiapeploides(Kunth) Raven?

Ludwigia peploidesis a perennial herbaceous plant of wetlands whose sprawling stems usually grow flat along mud or the surface of the water. It is native to parts of Australia, New Zealand, North America, and South America.


What is the scientific name of common coleus?


What is the scientific name of common mouse-ear chickweed?


What is the growth habit of prostrate knotweed?


Where can I view images of Dryopteriserythrosora(D.C.Eaton) Kuntze?


Where can I view images of southern catalpa?


The erect central culm is unbranched with 4-8 leaves alternate along the its length. The medium green leaf blades are about 0.3 in (7 mm) across and 9 in (23 cm) long.


Is panama rubbertree native to the United States?


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


Leaves are opposite, hairy, 1-3 in. (2.5-7.6 cm) long, and divided into 8-18 oblong leaflets.


Is this plant invasive to the United States?


Is crimson clover native to the United States?


What is the scientific name of twoleaf nightshade?


What is the growth habit of trifoliate orange?


What is the growth habit of FestucarubraL.?


Describe the fruit of BrassicatournefortiiGouan?

Fruit is 2.5 in. (6.35 cm) long, linear, with rounded edges and an obvious beak at the tip. Seeds are round, dark brown to brown-purple, and are sticky when wet.


Is SpathoglottisplicataBlume native to the United States?


Describe the fruit of asiatic dayflower?

Fruit are two-valved capsules that are elliptic from 2-3 in. (5–7 mm). The two seeds in each valve are brown-yellow, 0.08-0.12 in. (2–3 mm) long, irregularly pitted, flat-sided, and truncate at one end.


Is turk's turbin native to the United States?


What is the scientific name of linden viburnum?


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


Describe the appearance of SpiraeajaponicaL. f.?

Spiraea japonicais a small, deciduous shrub up to 6 ft. (1.8 m) tall that invades a variety of habitats throughout the eastern United States.


Is Polypogonviridis(Gouan) Breistr. native to the United States?


Where can I view images of AnthemiscotulaL?


Describe the flowers of LigustrumjaponicumThunb.?

Flowering occurs in spring to summer, when very abundant, white flowers occur in clusters at the end of branches.


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 mile-a-minute?


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


Where can I view images of Urticadioicassp. dioicaL.?


Is this plant invasive to the United States?


Where can I view images of star-of-bethlehem?


Is CyperusrotundusL. native to the United States?


What is the scientific name of big chickweed?

Cerastiumfontanumssp. vulgare(Hartman) Greuter & Burdet


Where can I view images of Persicariapunctata(Ell.) Small?


What is the common name of GlossostigmacleistanthumW.R. Barker?


What is the common name of EragrostislehmannianaNees?


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


What is the U.S. Department of Agriculture (USDA) plant symbol for Dysphaniaambrosioides(L.) Mosyakin & Clemants?


What is the scientific name of small broomrape?


Is ladder brake native to the United States?


What is the scientific name of mauritius hemp?


Is BromusinermisLeyss. native to the United States?


Describe the appearance of myrtle spurge?

Euphorbia myrsinitesis a perennial or biennial herb that usually grows between 6-12 in. (15.2-30.5 cm) tall.


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


Where can I view images of CentaureacyanusL.?


What is the common name of CarduusnutansL.?


What is the scientific name of golden pothos?


Is this plant invasive to the United States?


What is the common name of SeneciolinearifoliusA.Rich.?


What is the common name of RaphanusraphanistrumL.?


Describe the flowers of LeucojumaestivumL.?

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


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


What is the invasive/noxious status of mediterranean clone of caulerpa and where is it classified as such?

Noxious (United States), Prohibited (New York), Prohibited (Wisconsin)


What is the growth habit of crack willow?


What is the common name of Cirsiumvulgare(Savi) Ten.?


Where can I view images of yellow fieldcress?


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


Where can I view images of large gray willow?


What is the common name of ThlaspialliaceumL.?


Where can I view images of ArumitalicumP. Mill.?


Describe the fruit of AbrusprecatoriusL.?

The fruit is characteristic of a legume. The pod is oblong, flat and truncate shaped, roughly 1.5-2 in. (3.8-5 cm) long. This seedpod curls back when it opens, revealing the seeds. The seeds are small, brilliant red with a black spot.


Is smallflower umbrella sedge native to the United States?


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


What is the scientific name of common viper's bugloss, blueweed?


Flowering occurs in summer to early fall, when large, red inflorescences develop at the stem tips. Flowers are red and 1 in. (2.5 cm) wide.


What is the scientific name of tartary buckwheat?


Describe the appearance of HederahelixL.?

Hedera helixis an evergreen perennial climbing vine that attaches to bark of trees, brickwork and other surfaces by root-like structures that exude a glue-like substance to aid in adherence.


Where can I view images of denseflower cordgrass?


Describe the appearance of Ailanthusaltissima(P. Mill.) Swingle?

Ailanthus altissimais a rapidly growing, typically small tree up to 80 ft. (24.4 m) in height and 6 ft. (1.8 m) in diameter. It has large leaf scars on the twigs.


Does RosabracteataJ.C. Wendl. pose any ecological threat?

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


Does athel tamarisk pose any ecological threat?

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


Is this plant invasive to the United States?


Describe the foliage of Salpichroaoriganifolia(Lam.) Thell.?

The simple leaves are ovate to rhombic shaped with entire margins. There are often 2 per node and they are sparsely hairy. Paired leaves are usually visibly unequal in size.


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


What is the growth habit of Silenelatifoliassp. alba(Mill.) Greuter & Burdet?