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


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


Is smutgrass native to the United States?


What is the scientific name of vaseygrass?


Is japanese climbing fern native to the United States?


Where can I view images of common cattail?


Is this plant invasive to the United States?

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


Where can I view images of bigpod sesbania?


What is the common name of PaspalumfimbriatumKunth?


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


Leaves are multi-stemmed with alternate, pinnately compound.


Seeds are small and easily scattered being dispersed mainly by wind, water, and animals. Each stem can produce up to 50,000 seeds.


What is the common name of DianthusarmeriaL.?


What is the common name of LonicerapericlymenumL.?


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


Is white passionflower native to the United States?


Where can I view images of HelianthuspetiolarisNutt.?


Describe the foliage of ElaeagnusumbellataThunb.?

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


What is the scientific name of crested floating heart?


The fruit are smooth, bright red and ovoid to ellipsoid berries about 1-2.4 in. (2.5-6 cm) long.


Does garlic mustard pose any ecological threat?

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


Is HypericumcanarienseL. native to the United States?


Is eastern poison-ivy native to the United States?


Is rosy sandcrocus native to the United States?


Where can I view images of BromusrubensL.?


Does texas blueweed pose any ecological threat?

H. ciliarisgrows along roadsides, ditches, cultivated fields and open drainage areas. It can spread aggressively, especially in cultivated fields. The creeping rhizomes ofH. ciliarisallow it to form extensive colonies.


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


Is this plant invasive to the United States?


Where can I view images of false strawberry?


Is turnipweed native to the United States?


What is the scientific name of morison's spurry?


What is the scientific name of foxtail barley?


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


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


Its opposite leaves are elliptic to oblong-ovate in shape and measure 1-2 in. (2.5-5 cm) long and 0.3-1 in. (0.75-2.5 cm) wide. The apex of the leaf can be either acute or obtuse in shape. The upper leaf surface is dark green in color, while the lower surface is pubescent, or only pubescent on the mid-rib.


Where can I view images of dotted duckmeat?


Describe the flowers of QuercusacutissimaCarruthers?

Flowers bloom in May and are small and inconspicuous.


Is tropical burnweed native to the United States?


What is the common name of CyperusmicroiriaSteud.?


Where can I view images of NardusstrictaL.?


Does Brassicanigra(L.) W.D.J. Koch pose any ecological threat?

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


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


Describe the flowers of mediterranean clone of caulerpa?


Where can I view images of Axonopusfissifolius(Raddi) Kuhlm.?


What is the growth habit of siebold's arrowwood?


Where can I view images of tree marigold?


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


Flowering occurs in April. Plants are normally dioecious (male and female flowers on separate plants). Male flowers are small, green and occur in 1-2 in. (2.5-5.1 cm) long catkins. Female flowers are inconspicuous and crowded in short spikes.


Describe the foliage of yellow sweet-clover?

Leaves are alternate, trifoliate with petioles up to 1 in. (2.5 cm) long. Leaflets are greyish green, 1 in. (2.5 cm) long and 0.3 in. (0.85 cm) wide, dentate, and oblong to ovate.


Is Glyceriamaxima(Hartman) Holmb. native to the United States?


Is LantanastrigocamaraR. W. Sanders native to the United States?


Does rosarypea pose any ecological threat?

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


Is this plant invasive to the United States?


Is glossy privet native to the United States?


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


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


What is the scientific name of tall fescue?


What is the scientific name of japanese clover?


Describe the flowers of ChondrillajunceaL.?

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


What is the scientific name of common tarweed?

Centromadiapungensssp. pungens(Hook. & Arn.) Greene


What is the common name of EricatetralixL.?


Where can I view images of TrifoliumrepensL.?


Where can I view images of HypericumcalycinumL.?


Arundo donaxis a perennial grass that can reach up to 20 ft. (6.1 m) in height. Although it can be much shorter when damaged or stressed. The stem resembles a corn stalk.


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 sweet vernalgrass?


What is the common name of BromuscatharticusVahl?


What is the scientific name of sugargum?


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


What is the common name of Gunneratinctoria(Molina) Mirb.?


Where can I view images of VerbenabonariensisL.?


Is SalviasclareaL. native to the United States?


Where can I view images of passionflower?


Is this plant invasive to the United States?


Where can I view images of GaleopsistetrahitL.?


Is Actinidiaarguta(Siebold & Zucc.) Planch. ex Miq. native to the United States?


Is Cupaniopsisanacardioides(A. Rich.) Radlk. native to the United States?


Is CrotalariaspectabilisRoth native to the United States?


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


What is the growth habit of lily of the valley vine?


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

Invasive (Connecticut), Prohibited (New York)


What is the growth habit of EuphorbiaesulaL.?


Is african olive native to the United States?


Does EhrhartacalycinaSm. pose any ecological threat?

Ehrharta calycinaprefers disturbed areas including grasslands, roadsides, and coastal habitats. It is native to South Africa.


Describe the foliage of Arctothecaprostrata(Salisb.) Britten?

Its simple leaves are mostly basal and somewhat elongated in shape with toothed to deeply lobed margins. These leaves 2 to 10 in. (5-25 cm) long and 0.8 to 1.4 in. (2-6 cm) wide have hairless or slightly hairy (upper surfaces that are green in color and whitish, densely felty-hairy undersides.


What is the common name of LapsanacommunisL.?


Is saltcedar native to the United States?


Describe the foliage of Asparagusasparagoides(L.) Druce?

It has shiny green leaf-like structures which are flattened stems rather than true leaves. They measure up to 1.6 in. (4 cm) long by 0.8 in. (2 cm) wide.


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


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

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


What is the growth habit of BrizamaximaL.?


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


What is the scientific name of little-robin?


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


Describe the appearance of Reynoutriax bohemicaChrtek & Chrtková?

Fallopia x bohemicais a perennial that can grow from 6-12 ft. (1.8-3.7 m) tall.


Is this plant invasive to the United States?


Is RhynchosporacaducaEll. native to the United States?


Describe the fruit of common burdock, lesser burdock?

One plant typically produces 15,000 seeds. It reproduces by seeds.


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


Where can I view images of CyperushaspanL.?


Describe the foliage of Araliaelata(Miq.) Seem?

The leaves are alternate and 2 to 3 times pinnately compound with toothed or mostly toothless margins. The leaflets are from 2-4.75 in. long with the entire leaf from 2-4 ft. long. The main leaf veins extend to the leaf edge with spines along the leaf axils.


The alternate leaves are shiny, dark green above and lighter green below, have wavy margins, three distinct, yellow veins and are 1.5-4 in. (3.7-10.1 cm) long. A distinctive odor of camphor is emitted when the leaves are crushed.


Is epidendrum ×obrienianum native to the United States?


What is the common name of SalsolacollinaPallas?


What is the common name of EricacinereaL.?


What is the common name of SalviniaminimaBaker?


What is the common name of Viburnumopulusssp. opulusLinnaeus?


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


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


Is star-of-bethlehem native to the United States?


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


Is Centellaasiatica(L.) Urban native to the United States?


What is the growth habit of Melinisrepens(Willd.) Zizka?


Is this plant invasive to the United States?


What is the scientific name of hairy galinsoga?


What is the invasive/noxious status of Oxycaryumcubense(Poepp. & Kunth) Lye and where is it classified as such?


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


Where can I view images of RuelliablechumL.?


Where can I view images of cypress spurge?


What is the growth habit of Pithecellobiumdulce(Roxb.) Benth.?


Describe the fruit of PastinacasativaL.?

Fruits are dry, smooth, slightly winged and flattened on back. Fruits each contain two seeds, which are dispersed in the fall.


What is the scientific name of uruguayan vervain?


Is JuncuseffususL. native to the United States?


What is the scientific name of roundleaf toothcup?

Rotalarotundifolia(Buch.-Ham. ex Roxb.) Koehne


Where can I view images of amphibious yellowcress?


Where can I view images of Prosopispallida(Humb. & Bonpl. ex Willd.) Kunth?


Is sweetbriar native to the United States?


Where can I view images of BerberisthunbergiiDC.?


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


Describe the fruit of SetariafaberiHerrm.?

The fruit are small flattened ovoids with hard coats. They usually germinate in late spring to early summer.


Describe the flowers of CardiospermumhalicacabumL.?

The small white flowers bloom from summer through the fall, flowers are not very showy.


Where can I view images of broomsedge bluestem?


Does EchiumvulgareL. pose any ecological threat?

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


What is the scientific name of ripgut brome?


What is the common name of PanicumcapillareL.?


Is this plant invasive to the United States?

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


What is the growth habit of reed canarygrass?


Where can I view images of littleseed canarygrass?


Is LigustrumquihouiCarr. native to the United States?


Flowering occurs in summer to early fall, when numerous yellow, daisy-like flowers develop in a flat topped inflorescence at the apex of the stems. Flower heads are 0.8 in. (2 cm) in diameter.


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


Is sweetscented bedstraw native to the United States?


What is the growth habit of scottish rose?


Describe the flowers of NymphaeaodorataAit.?

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.


Flowering occurs from late spring to mid summer. The flowers appears as a creamy white or yellow, fluffy texture.


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


What is the common name of HedychiumcoronariumKoenig?


Describe the foliage of AsphodelusfistulosusLinnaeus?

The leaves are smooth, cylindrical , and hollow and emerge from the base of the plant. It also produces stiff flower stems up to 2.5 ft. (0.46 m) tall.


What is the common name of Silybummarianum(L.) Gaertn.?


Where can I view images of GlossostigmacleistanthumW.R. Barker?


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


Is Araliaelata(Miq.) Seem native to the United States?


Is castorbean native to the United States?


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


Is Carduusnutansmacrolepis(Peterm.) Kazmi native to the United States?


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

The individual flowers are small and inconspicuous individually, but together they form a catkin. They flower in the spring and catkins remain on the trees through the fall.


Is this plant invasive to the United States?


What is the scientific name of indian camphorweed?


Where can I view images of MangiferaindicaL.?


Describe the flowers of yellow bedstraw?

Flowers are yellow in color, clustered, 0.3 in. (0.32 cm) across, pointed, longer than they are wide, with 3 to 5 petals and 4 yellow stamens.


Describe the appearance of california privet?

Ligustrum ovalifoliumcan grow up to 16.4 ft. (5 m) tall with spreading or arching branches.


Describe the appearance of wild chervil?

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


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


Is meadow hawkweed native to the United States?


Describe the foliage of wild four-o'clock?

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


What is the common name of PassiflorabifloraLam.?


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


Is winged yam native to the United States?


What is the scientific name of blue morning-glory?


Is bird vetch native to the United States?


Where can I view images of border privet?


What is the common name of Flacourtiaindica(Burm. f.) Merr?


Describe the flowers of FoeniculumvulgareP. Mill.?

Flowers are small, yellow, and found in large flat-topped umbels. Blooming occurs between August and October.


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


What is the growth habit of Helminthothecaechioides(L.) Holub?


Is japanese knotweed native to the United States?


What is the scientific name of poison hemlock?


Does multiflora rose pose any ecological threat?

Rosa multifloraforms impenetrable thickets in pastures, fields, and forest edges. It restricts human, livestock, and wildlife movement and displaces native vegetation. It tolerates a wide range of conditions allowing it to invade habitats across the United States.Rosa multiflorais native to Asia and was first introduced to North America in 1866 as rootstock for ornamental roses. During the mid 1900s it was widely planted as a “living fence” for livestock control.


Where can I view images of panic veldtgrass?


What is the common name of Cryptomeriajaponica(L. f.) D. Don?


Is blessed milkthistle native to the United States?


What is the growth habit of RubusarmeniacusFocke?


Where can I view images of JacobaeavulgarisGaertn.?


Describe the fruit of VerbenabonariensisL.?

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


Is this plant invasive to the United States?


Is Vincetoxicumspp.L. native to the United States?


Describe the flowers of Brassicanigra(L.) W.D.J. Koch?

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.


What is the scientific name of annual false-brome?


Does Hydrillaverticillata(L. f.) Royle pose any ecological threat?

Hydrilla verticillataforms dense mats at the surface of the water. The dense mats can restrict native vegetation, irrigation practices, recreation, hydroelectric production, and water flow. It can invade most slow-moving or still water systems. This plant is believed to be native to Asia or Africa, although it is widely spread across the globe. It was first introduced into North America as an aquarium plant in the 1950s.


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


Where can I view images of chinese fountaingrass?


What is the U.S. Department of Agriculture (USDA) plant symbol for Ludwigiapeploidesssp. glabrescens(Kuntze) P.H. Raven?


Is anil de pasto native to the United States?


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


Where can I view images of jerusalem-cherry?


What is the growth habit of BuddlejalindleyanaFortune ex Lindl.?


What is the common name of CyperusentrerianusBoeckl.?


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


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


What is the common name of HedychiumflavescensCarey ex Roscoe?


Where can I view images of birdsfoot trefoil?


Does DaphnelaureolaL. pose any ecological threat?

Daphne laureolagrows best is areas with partial to deep shading such as woodlands. It is native to Europe and the Mediterranean. Be aware, this plant is poisonous to humans and can cause contact dermatitis when touched.


What is the scientific name of brittleleaf naiad?


What is the scientific name of alpine knapweed, tyrol knapweed?


Is RuelliablechumL. native to the United States?


Is this plant invasive to the United States?


What is the scientific name of curly dock?


Does LythrumvirgatumL. pose any ecological threat?

L. virgatumis commonly found along waterways and other wetland habitats where it replaces native vegetation. It was introduced from Europe during the late 1800s.L. virgatumis native to parts of Europe and temperate Asia.


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 CommelinabenghalensisL. and where is it classified as such?

Category 2 (Alabama), Noxious (United States)


What is the growth habit of cultivated currant?


Is redstem filaree native to the United States?


Where can I view images of saltmeadow cordgrass?


What is the growth habit of FoeniculumvulgareP. Mill.?


Where can I view images of RaphanusraphanistrumL.?


Where can I view images of coffee senna?


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


What is the growth habit of BougainvilleaglabraChoisy?


What is the scientific name of jaraguagrass?


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


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


Is EucalyptusglobulusLabill. native to the United States?


What is the common name of AcaciabaileyanaF. Muell.?


What is the common name of EuphorbiaesulaL.?


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


Is Hyparrheniarufa(Nees) Stapf native to the United States?


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


Is FallopiaconvolvulusL. native to the United States?


Where can I view images of LoniceratataricaL.?


Is Caesalpiniadecapetala(Roth) Alston native to the United States?


What is the growth habit of prickly lettuce?


Where can I view images of QuercusacutissimaCarruthers?


Is this plant invasive to the United States?


What is the growth habit of chinese banyan?


Describe the foliage of stinking chamomile?

A. cotulaleaf blades are about 0 .75 - 2.5 in. (1.9-6.35 cm) long and 1 in. (2.54 cm) wide. The first leaves are opposite but become alternate as they ascend up the stem. Leaves are thick, finely dissected, slightly pilose and an unpleasant odor.


What is the growth habit of common hawthorn?


Does AegilopstriuncialisL pose any ecological threat?

Aegilops triuncialisis a dry land crop invader. This species, will dominate dry land pastures and readily crosses with wheat. This produces sterile seed and unmarketable wheat. When mature, it is unpalatable for livestock.


What is the growth habit of molassesgrass?


Is cuming's lovegrass native to the United States?


Is corn gromwell native to the United States?


What is the common name of Koelreuteriaelegans(Seem.) A.C. Sm.?


Describe the fruit of skeletonleaf bursage?

A. tomentosafruits are light brown burs with up to 10 short spines. They each contain 2 seeds.A. tomentosaalso reproduces vegetatively by sending shoots up from the horizontal root system.


Where can I view images of Alliariapetiolata(Bieb.) Cavara & Grande?


Is PopulusalbaL. native to the United States?


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


What is the scientific name of hybrid cattail?

Typhax glaucaGodr. [angustifolia x latifolia]


Is butterflybush native to the United States?


The flowers are eventually replaced by bulblets, either completely or partially.


What is the scientific name of greater celandine?


Describe the foliage of AegilopsgeniculataRoth?

The leaves are pubescent with an eciliate membranous ligule. They are flat and linear from 1.2-3.0 x 0.2-0.9 in. (4-8 cm x 1.5-3 mm) long by wide.


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


Is Cynodondactylon(L.) Pers native to the United States?


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


Is european stinging nettle native to the United States?


What is the common name of ManihotesculentaCrantz?


What is the scientific name of red sorrel?


Is this plant invasive to the United States?


The fruits ofAcer palmatumare samaras. The fruits are elongated and usually range from 0.5-0.75 in. (1.3-2 cm) long. The covering of the fruit is dry and hard. The color of the fruit ranges from green to reddish green. Fruits ripen from September-October.


Is EricalusitanicaK. Rudolphi native to the United States?


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


Where can I view images of Ageratinaadenophora(Spreng.) King & H.E. Robins.?


Does border privet pose any ecological threat?

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


Where can I view images of tatarian honeysuckle?


What is the common name of Axonopusfissifolius(Raddi) Kuhlm.?


Is oriental vessel fern native to the United States?


Does siberian peashrub pose any ecological threat?

Caragana arborescensinvades woodland edge environments, and pastures. It is native to Siberia and Manchuria.


Is garden baby's-breath native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Neyraudiareynaudiana(Kunth) Keng ex A.S. Hitchc.?


Describe the appearance of peruvian peppertree?

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


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

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


Where can I view images of common pearlbrush?


Describe the appearance of AcerginnalaMaxim.?

Acer ginnalais a small tree that grows 15-20 ft. (4.5-6 m) in height. The bark of the tree is smooth and gray.


What is the common name of MalvasylvestrisL.?


Is Cyrtomiumfalcatum(L. f.) C. Presl native to the United States?


Where can I view images of DesmodiumincanumDC.?


Describe the flowers of PsidiumcattleyanumSabine?

Flowering occurs year-round. Flowers are white, 1 in. (2.5 cm) wide, with 4-5 petals and many stamens. Flowers can occur singly, or in groups of three, in the axils of the leaves.


Does Imperatacylindrica(L.) Beauv. pose any ecological threat?

Imperata cylindricais an extremely aggressive invader with the capability of invading a range of sites. It forms dense, usually circular infestations that exclude all other vegetation. It is native to Southeast Asia and was accidently introduced into the southeast United States in packing material in the early 1900s. It was also intentionally introduced for erosion control and livestock forage.


Where can I view images of SpiraeajaponicaL. f.?


What is the scientific name of japanese spiraea?


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 DactylisglomerataL.?


Where can I view images of ViciavillosaRoth?


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

The petiolate leaves are ovate to lanceolate with a smooth margin.


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

Murdannia keisakis an annual, emergent plant that invades wetlands in the southeastern and northwestern United States. Plant stems are succulent, form roots at the nodes, and grow prostrate along the ground. Stems are 12-30 in. (30.5-76.2 cm) long.


Where can I view images of port orford cedar?


Describe the appearance of smallflower tamarisk?

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


The fruit is three lobed and contains 1-3 egg shaped smooth gray seeds that measure 0.06-0.08 in. (1.5-2 mm).Euphorbia cyparissiasproduces large clonal colonies through an extensive underground root system, that allows this plant to reproduce with lateral root buds.


What is the scientific name of mountain ebony?


Describe the appearance of ravennagrass?

Saccharum ravennaeis a tall clumping grass with a basal tuft of leaves and flowering stalks that reach heights of 8-12 ft. (2.4-3.7 m), towering over big bluestem and other plants and making them easily visible from a distance. The base of the clump can be several feet in diameter indicating a sizeable root mass.


What is the scientific name of balsamapple?


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


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


Where can I view images of RhizophoramangleL.?


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


What is the common name of CarthamuslanatusL.?


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


What is the growth habit of false mayweed?


Where can I view images of fuller's teasel?


What is the scientific name of european wand loosestrife?


Is this plant invasive to the United States?


Is RosamultifloraThunb. native to the United States?


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


Where can I view images of AmbrosiaartemisiifoliaL.?


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


Is english elm native to the United States?


Where can I view images of TamarixchinensisLour.?


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


Describe the fruit of dalmatian toadflax?

Fruits are capsules that are 0.1-0.3 in. (3-7 mm) long. Each capsule contains numerous small, black-brown, ridged seeds.


What is the common name of Sennapendula(Humb. & Bonpl. ex Willd.) Irwin & Barneby?


What is the scientific name of croftonweed?

Ageratinaadenophora(Spreng.) King & H.E. Robins.


Where can I view images of PinusthunbergiiParl.?


Is ZygophyllumfabagoL. native to the United States?


What is the common name of BrizaminorL.?


Where can I view images of porcelain-berry?


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


Describe the foliage of PhalarisarundinaceaL.?

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


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


Is this plant invasive to the United States?


Is HieraciumatratumFr. native to the United States?


Describe the fruit of Ludwigiapeploides(Kunth) Raven?

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


Where can I view images of DactylisglomerataL.?


Describe the appearance of TaraxacumofficinaleG.H. Weber ex Wiggers?

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


What is the common name of SeneciovulgarisL.?


Where can I view images of FrangulaalnusMill.?


What is the growth habit of english daisy?


Does DioscoreabulbiferaL. pose any ecological threat?

Dioscorea bulbiferacan form dense masses of vines that cover and kill native vegetation including trees within a variety of habitats such as forest edges, hammocks, and many disturbed areas. It was introduced from Africa for food and medicinal purposes in the early 1900s. It is a common and widespread food crop throughout most tropical regions of the world.


What is the growth habit of Puerariamontana(Lour.)Merr.?


Where can I view images of colombian bluestem?


What is the common name of SalixpurpureaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for TaraxacumofficinaleG.H. Weber ex Wiggers?


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

Invasive (Connecticut), Invasive (Delaware), Invasive (DOC, IPC) (Missouri), Invasive (North Carolina)


What is the common name of PanicumrepensL.?


Is spotted knapweed native to the United States?


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


Is this plant invasive to the United States?


Is st. augustinegrass native to the United States?


What is the growth habit of meadow salsify?


What is the growth habit of east indian almond?


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


What is the growth habit of Pennisetumglaucum(L.) R. Br.?


Is Oncosiphonpiluliferum(L. f.) Källersjö native to the United States?


Is CoffeaarabicaL. native to the United States?


Is SyngoniumpodophyllumSchott native to the United States?


Where can I view images of Paulowniatomentosa(Thunb.) Sieb. & Zucc. ex Steud.?


Is NymphaeaodorataAit. native to the United States?


What is the common name of SalsolapaulseniiLitv.?


What is the growth habit of Rottboelliacochinchinensis(Lour.) W.D. Clayton?


Where can I view images of LamiumamplexicauleL.?


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


Where can I view images of Schizachyriumcondensatum(Kunth) Nees?


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


Is this plant invasive to the United States?


Is downy maiden fern native to the United States?


Is Exochordaracemosa(Lindl.) Rehd. native to the United States?


What is the scientific name of big periwinkle?


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

Alliaria petiolatais an herbaceous, biennial forb. First year plants are basal rosettes which bolt and flower in the second year. Plants can be easily recognized by a garlic odor that is present when any part of the plant is crushed.


Where can I view images of SalixcinereaL.?


Is Tremaorientalis(L.) Blume native to the United States?


Describe the appearance of reed canarygrass?

Phalaris arundinaceais a cool-season perennial grass that grows to 6 ft. (1.7 m) tall. Reed canarygrass is variable in morphology, so characteristics may depend upon the habitat.


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.


What is the growth habit of turk's turbin?


Where can I view images of LepidiumperfoliatumL.?


Describe the foliage of PhleumpratenseL.?

Glabrous, distinctly veined on blade and sheath; blades flat to somewhat keeled, 4-8 in. (10.2-20.3 cm) long, up to 0.38 in. (0.95 cm) wide, tapering toward the tip, with midrib prominent on upper surface; leaves rolled in buds.


Where can I view images of RosarugosaThunb.?


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 white snakeroot?


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

Invasive  (Michigan), Invasive (Connecticut), Invasive (Delaware), Invasive (North Carolina), Prohibited (New York), Restricted (Wisconsin), Tier 2 (Maryland), Watch List (Alabama)


What is the scientific name of maritime pine?


Is MaytenusboariaMolina native to the United States?


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


Is little starwort native to the United States?


Is smooth brome native to the United States?


What is the growth habit of north african knapweed?


Is this plant invasive to the United States?


Describe the fruit of slenderflower thistle?

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


Is common hawthorn native to the United States?


What is the growth habit of Calocedrusdecurrens(Torr.) Florin?


Is asiatic hawksbeard native to the United States?


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


Is day jessamine native to the United States?


Where can I view images of Undariapinnatifida(Harvey) Suringar?


What is the common name of RosarubiginosaL.?


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

Arthraxon hispidusis an annual grass that was introduced into the United States, either accidentally or by immigrants, from Japan and eastern Asia.Arthraxon hispidusinhabits wet areas such as stream banks, flood plains and shorelines.


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


What is the common name of AnthriscuscaucalisM. Bieb.?


Describe the fruit of Vincetoxicumrossicum(Kleopov) Barbarich?

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


What is the scientific name of sorghum (type unspecified)?


What is the growth habit of Ludwigiaoctovalvis(Jacq.) Raven?


What is the growth habit of IlexaquifoliumL.?


What is the scientific name of american evergreen?


What is the growth habit of PopulusnigraL.?


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


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


Describe the foliage of FoeniculumvulgareP. Mill.?

Stem striate. Leaves 3-4 pinnate; segments filiform, up to 1.6 in. (4 cm) long; leaf bases sheathing. Rays 5-30, 0.39-2.4 in. (1-6 cm) long.


What is the scientific name of sulfur cinquefoil?


What is the growth habit of autumn olive?


Describe the appearance of japanese sedge?

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


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


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


Where can I view images of MyoporumlaetumG. Forst.?


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


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

Aquatic Nuisance (Class 2, Regulated) (North Dakota), Invasive, Restricted (Michigan), Potentially Invasive, Prohibited (Connecticut), Prohibited (Minnesota), Restricted (Wisconsin)


What is the scientific name of mexican tulip poppy?


Describe the flowers of FicariavernaHuds.?

Flowering occurs in March and April, when showy, bright yellow, eight-petaled flowers develop on stalks above the leaves. Flowers are up to 3 in. (7.6 cm) wide.


Is this plant invasive to the United States?


What is the common name of SalixcapreaL.?


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


The fruit are 0.4 in. (1 cm) long, are yellow and almost completely covered by densely silver scales. The fruit contain one large seed that can be up to 0.4 in. (1 cm) long within.


Is smooth bedstraw native to the United States?


Describe the fruit of Rhodotyposscandens(Thunb.) Makino?

The flowers give way to small, red (turning black), bead-like fruit.


What is the scientific name of kahiliflower?


What is the growth habit of purple loosestrife?


What is the scientific name of spreading hedgeparsley?


What is the common name of Solenostemonscutellarioides(L.) Codd?


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


What is the growth habit of little quakinggrass?


What is the common name of Sesbaniaherbacea(P. Mill.) McVaugh?


Does russian knapweed pose any ecological threat?

Rhaponticum repensis native to Eurasia and was introduced into the United States in the early 1900’s. This species can cause chewing disease in horses.


What is the growth habit of CentaureastoebeL.?


What is the growth habit of common mallow?


What is the growth habit of GaleopsistetrahitL.?


Where can I view images of southern sandbur?


Is this plant invasive to the United States?


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


What is the scientific name of sweet breath of spring?


Describe the foliage of Albizialebbeck(L.) Benth?

Alternate, twice compound, with 2–5 pairs of pinnae, each pinna with 3–10 pairs of leaflets; leaflets elliptic-oblong, 1–2 in (2–4 cm) long. Usually asymmetrical at base, dull green above, paler green below.


Is PrunusspinosaL. native to the United States?


Where can I view images of crimson fountaingrass?


Is CyperusinvolucratusRottb native to the United States?


Is AegilopstriuncialisL native to the United States?


Leaves have an off-center, whitish midrib and finely serrated margins. Leaves are up to 6 ft. (1.8 m) long, 0.5-0.75 in. (1.3-1.9 cm) wide, stiff, and have a sharp, pointed apex. Rhizomes are whitish, branched, scaly and sharp at the tips.


Is bristly foxtail native to the United States?


What is the scientific name of simpleleaf chastetree?


What is the scientific name of honduras pine?


Where can I view images of spotted deadnettle?


Is big chickweed native to the United States?


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


Where can I view images of Echinochloacrus-galli(L.) Beauv?


What is the common name of PinusstrobusL.?


Does common reed pose any ecological threat?

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


Is this plant invasive to the United States?


What is the growth habit of bristly locust?


The opposite leaves vary in size and shape. Leaves have long petioles and are slightly pubescent. Leaves become smaller and less lobed as they rise up the stem. The base of each leaf is somewhat wedge-shaped.


Is coconut palm native to the United States?


Describe the appearance of round leaf bittersweet?

Celastrus orbiculatusis a perennial deciduous, climbing, woody vine that can grow to lengths of 60 ft. (18.3 m) and up to 4 in. (10 cm) in diameter. The striated bark is brown to dark brown. The smooth glabrous twigs can range from light gray to dark brown in color.


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


What is the U.S. Department of Agriculture (USDA) plant symbol for Leptospermumlaevigatum(Sol. ex Gaertn.) F. Muell.?


What is the common name of PoabulbosaL.?


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


Is MenthaaquaticaL. native to the United States?


Does shortpod mustard pose any ecological threat?

Hirschfeldia incanacan be found in disturbed areas such as along roadsides, canyons, creek bottoms, and dry fields. It is native to the Mediterranean.


What is the scientific name of tara vine?

Actinidiaarguta(Siebold & Zucc.) Planch. ex Miq.


Describe the fruit of VitexrotundifoliaL. f.?

Fruit are round, 0.25 in. (0.6 cm) in diameter and dark purplish-black when mature.


Is madagascar rubbervine native to the United States?


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


Where can I view images of VeronicaarvensisL.?


What is the scientific name of lesser celandine, fig buttercup?


What is the scientific name of bulbil bugle-lily?


No fruits or seeds typically outside of its native range. The plant spreads through rhizomes and stem nodes that come in contact with the soil.


Describe the appearance of CentaureanigrescensWilld?

Centaurea nigrescensis a perennial herb with erect, branched, glabrous or somewhat long-hairy stems that grows 1.3-3.2 ft. (0.4-1.0 m) tall.


Is this plant invasive to the United States?


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


Is ChenopodiumalbumL native to the United States?


Is Pseudosasajaponica(Sieb. & Zucc. ex Steud.) Makino ex Nakai native to the United States?


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


What is the common name of JuncusplanifoliusR. Br.?


Is Photiniavillosa(Thunb.) DC. native to the United States?


What is the scientific name of stringy stonecrop?


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


What is the growth habit of common valerian?


What is the scientific name of spanishneedles?


Is lady's-mantle native to the United States?


What is the growth habit of oriental photinia?


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


What is the scientific name of false strawberry?


What is the scientific name of formosa firethorn?


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


Is japanese stiltgrass native to the United States?


The tiny, pastel, bell shaped flowers arise from the leaf axils.G. cleistanthumalso produces closed cleistogamous (self-fertilized) flowers.


Is hairy jointgrass native to the United States?


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


Is tufted wallaby grass native to the United States?


Is SyringavulgarisL. native to the United States?


Describe the flowers of lily of the valley vine?

Flowers have five white to creamy petals which curve back giving it a bell like appearance. They have a green calyx and stalk which arises from the axis of upper leaves.


Where can I view images of SonchusoleraceusL.?


What is the growth habit of CommelinabenghalensisL.?


What is the growth habit of east indian crabgrass?


Is wild bushbean native to the United States?


What is the common name of BambusavulgarisSchrad. ex J.C. Wendl.?


Describe the appearance of field bindweed?

Convolvulus arvensisis a perennial vine. It is weak-stemmed and prostrate. Stems twine and can grow to 5 ft. (1.5 m) or longer.C. arvensishas deep, spreading roots and rhizomes. It is native to Africa, temperate and tropical Asia and Europe.


Is this plant invasive to the United States?


Is ElaeagnusumbellataThunb. native to the United States?


What is the common name of SpiraeajaponicaL. f.?


Does chinaberry pose any ecological threat?

Melia azedarachinvades disturbed areas and is commonly found along roads and forest edges. It has the potential to grow in dense thickets, restricting the growth of native vegetation.Melia azedarachis native to Southeast Asia and northern Australia. It was introduced into the United States in the mid 1800s for ornamental purposes.


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

Leaves are opposite, dark green, oval, shiny, 3-4 in. (7.6-10.2 cm) long and 2-3 in. (5.1-7.6 cm) wide. They are attached to the vine by a petiole about 0.4 in. (1 cm).


Is Setariaviridisvar. viridis(L.) P. Beauv. native to the United States?


Where can I view images of rabbitfoot clover?


What is the growth habit of PassifloraligularisJuss.?


Is creeping bellflower native to the United States?


Where can I view images of PhoenixdactyliferaL.?


Is LigustrumsinenseLour. native to the United States?


What is the growth habit of italian woodbine?


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

Category 1 (Alabama), Invasive (Delaware), Invasive (DOC) (Missouri), Invasive (North Carolina), Invasive, Prohibited (Connecticut), Noxious (United States), Prohibited (Minnesota), Prohibited (New York), Prohibited (Wisconsin), Watch List, Prohibited (Michigan)


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


Describe the appearance of SolanumrostratumDunal?

Solanum rostratumis an annual herbaceous plant that can grow up to 2 ft. (0.6 m) tall.


What is the common name of CommelinabenghalensisL.?


Is spanishneedles native to the United States?


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


Is this plant invasive to the United States?


Where can I view images of BromussterilisL.?


Where can I view images of alpine knapweed, tyrol knapweed?


Describe the foliage of LigustrumamurenseCarrière?

The simple opposite leaves are elliptic to oblong in shape and grow up to about 2.5 in (6.4 cm) long. Leaves are usually dull green above with entire margins and hair on the underside midribs.


Is Cinnamomumcamphora(L.) J. Presl native to the United States?


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


Describe the flowers of himalayan blackberry?

No flowers are produced in this plant’s first year of life. Flowering occurs in late spring to early summer; when white to pale pink flowers develop on the flora canes. Flowers have five petals, numerous stamens and are 0.8-1 in. (2-2.5 cm) in diameter.


What is the scientific name of showy milkweed?


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


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


Where can I view images of EpilobiumhirsutumL.?


Where can I view images of common saltwort?


Is pangolagrass native to the United States?


What is the growth habit of RanunculusarvensisL.?


What is the growth habit of eastern waterleaf?


What is the common name of Pseudognaphaliumluteoalbum(L.) Hilliard & Burtt?


Is LamiummaculatumL. native to the United States?


Where can I view images of TamarixparvifloraDC.?


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


Is Cruciatapedemontana(Bellardi) Ehrend. native to the United States?


Is european wand loosestrife native to the United States?


What is the common name of Cunninghamialanceolata(Lamb.) Hook.?


Is this plant invasive to the United States?

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


What is the growth habit of hairy galinsoga?


Describe the appearance of CrupinavulgarisCass.?

Crupina vulgarisis a Federal Noxious Weed and is native to southern Europe. It is a winter annual that grows 1-4 ft. (0.3-1.2 m) tall.


Describe the appearance of river redgum?

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


Where can I view images of sweet vernalgrass?


Is plume albizia native to the United States?


Does field bindweed pose any ecological threat?

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


Describe the appearance of japanese spiraea?

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 meadow fescue native to the United States?


What is the growth habit of horsenettle?


What is the common name of AcaciacyclopsA. Cunn. ex G. Don?


What is the common name of RubusphoenicolasiusMaxim.?


Where can I view images of ImpatiensglanduliferaRoyle?


Is new zealand flax native to the United States?


Is Depariapetersenii(Kunze) M. Kato native to the United States?


Is coral ardisia native to the United States?


Describe the fruit of EchiumplantagineumL.?

Fruits are 0.1 in. (2.5 mm) long, tan-grey to black, usually grouped in fours. Seeds are 0.08-0.12 in. (2-3 mm) long, brownish in color, wrinkled, and 3 sided.


What is the common name of Brachypodiumsylvaticum(Huds.) Beauv.?


Is this plant invasive to the United States?


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


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


What is the common name of BromusjaponicusThunb.?


Is PinuspineaL. native to the United States?


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


What is the scientific name of lambsquarters?


Describe the fruit of lily of the valley?


Where can I view images of tungoil tree?


Is showy buttercup native to the United States?


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


What is the growth habit of PoapratensisL.?


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


What is the growth habit of amur honeysuckle?


Where can I view images of CarduustenuiflorusW. Curtis?


What is the common name of ArtemisiavulgarisL.?


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


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


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


Where can I view images of Rytidospermabiannulare(Zotov) Connor & Edgar?


The sub-globose fruits are reticulate nutlets, grayish-brown, and are about 0.06 in. (1.5 mm) in diameter.


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


Describe the appearance of CallitrichestagnalisScop.?

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


Is this plant invasive to the United States?


Where can I view images of MimosadiplotrichaC. Wright ex Sauvalle?


Is AraujiasericiferaBrot. native to the United States?


Is KoelreuteriapaniculataLaxm. native to the United States?


Does SpartinadensifloraBrongn. pose any ecological threat?

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


Is paradise poinciana native to the United States?


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


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


Is princesstree native to the United States?


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


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


What is the scientific name of common bugloss?


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


Is Megathyrsusmaximus(Jacq.) R. Webster native to the United States?


What is the growth habit of australian cheesewood?


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


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


Is water speedwell native to the United States?


Does cardoon pose any ecological threat?

Cynara cardunculusprefers disturbed areas such as grassland, coastal scrubs, and fields. It is native to the Mediterranean.


What is the scientific name of japanese climbing fern?


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


Where can I view images of cherry laurel?


Describe the appearance of lesser celandine, fig buttercup?

Ficaria vernais a short (up to 12 in. [30.5 cm]), herbaceous perennial that invades forests throughout the East, Midwest and Pacific Northwest regions of the United States.


Is this plant invasive to the United States?


Is Mycelismuralis(L.) Dumort. native to the United States?


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


Is GrevilleabanksiiR. Br. native to the United States?


Describe the appearance of didymo, rock snot?

Didymosphenia geminatais a freshwater, single cell, diatom (a type of algae) which attaches itself to a solid surface such as a rock with a stalk.It is light brown, brownish yellow, or white, looking very much like wet toilet paper.Didymosphenia geminatahas the texture of wet wool or cotton, fibrous not slimy or slippery and is not easy to pull apart.


What is the U.S. Department of Agriculture (USDA) plant symbol for hawai'i ticktrefoil?


What is the scientific name of black mustard?


What is the common name of Cortaderiaselloana(Schult. & Schult. f.) Asch. & Graebn.?


Describe the appearance of oriental virginsbower?

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


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


What is the growth habit of white willow?


What is the common name of Asparagusasparagoides(L.) Druce?


What is the common name of ChondrillajunceaL.?


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


What is the growth habit of common viper's bugloss, blueweed?


Describe the appearance of Hydrocharismorsus-ranaeL.?

Hydrocharis morsus-ranaeis a free-floating aquatic plant that resembles a miniature water lily.


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


Is CarthamuslanatusL. native to the United States?


What is the growth habit of eastern white pine?


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 japanese cedar native to the United States?


Where can I view images of SalviaglutinosaL.?


What is the growth habit of CanavaliacatharticaThouars?


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


Is african mustard native to the United States?


What is the scientific name of cranberry viburnum, european highbush cranberry?


What is the growth habit of Araliaelata(Miq.) Seem?


Does GrevillearobustaA. Cunningham ex R. Br. pose any ecological threat?

Grevillea robustaprefers disturbed areas including disturbed rainforests and along riverbanks. It is native to Australia.


What is the scientific name of algerian ivy?


Where can I view images of octopus tree?


Is Verniciafordii(Hemsl.) Airy-Shaw native to the United States?


What is the scientific name of indian rosewood?


Describe the foliage of carolina fanwort, fanwort?

Cabomba carolinianahas two types of leaves. The submerged leaves are opposite, fan-shaped, deeply dissected and about 2 in. (5 cm) wide. The small floating leaves are entire and linear elliptic in shape.


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


What is the common name of Kalanchoex houghtoniiD.B. Ward?


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


What is the growth habit of TrifoliumcampestreSchreb.?


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


Is Neyraudiareynaudiana(Kunth) Keng ex A.S. Hitchc. native to the United States?


What is the scientific name of yellow sweet-clover?


Where can I view images of Stenotaphrumsecundatum(Walt.) Kuntze?


Is spreading hedgeparsley native to the United States?


What is the growth habit of yellow groove bamboo?


What is the growth habit of NajasminorAll.?


What is the growth habit of parrotfeather?


Where can I view images of perennial false-brome?


Where can I view images of SolanumamericanumP. Mill.?


What is the common name of Ludwigiagrandiflorassp. hexapetala(Hook. & Arn.) Nesom & Kartesz?


What is the growth habit of Phelipancheaegyptiaca(Pers.) Pomel?


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


Is Hederahibernica(Kirchn.) Bean. native to the United States?


Describe the appearance of GaleopsistetrahitL.?

Galeopsis tetrahitis an herbaceous annual that grows to be 1-3 ft (0.3-0.9 m) tall. The simple to branched stems are square, swollen at leaf nodes, and covered with coarse, downward pointing hairs intermixed with shorter glandular hairs. It is native to Europe.


Is this plant invasive to the United States?


Describe the flowers of AtriplexsemibaccataR. Br.?

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


Describe the appearance of weeping lovegrass?

Eragrostis curvulais a warm-season, perennial grass that can grow to 4 ft. (1.2 m) tall.


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


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


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


Is LumnitzeraracemosaWilld. native to the United States?


What is the growth habit of japanese brome?


Where can I view images of brassbuttons?


What is the common name of Actinidiaarguta(Siebold & Zucc.) Planch. ex Miq.?


What is the growth habit of crested floating heart?


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


Describe the foliage of shrubby lespedeza?

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


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


Is torpedograss native to the United States?


Is cootamundra wattle native to the United States?


Is PopulusdeltoidesBartr. ex Marsh. 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 PrunuscerasusL.?


Is lambsquarters native to the United States?


What is the growth habit of SolanumtorvumSw.?


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


Where can I view images of GeraniumthunbergiiSieb. & Zucc. ex Lindl. & Paxton?


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


Where can I view images of AgeratumconyzoidesL.?


What is the scientific name of west indian dropseed?

Sporobolusindicusvar. pyramidalis(P. Beauv.) Veldkamp


What is the scientific name of american frogbit?

Limnobiumspongia(Bosc) L.C. Rich. ex Steud.


What is the growth habit of HypericumcanarienseL.?


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


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

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


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


Describe the appearance of MedicagolupulinaL.?

Medicago lupulinais a low-growing summer or winter annual broadleaf plant growing to 1.6 ft. (0.5 m) tall.


What is the U.S. Department of Agriculture (USDA) plant symbol for Callistemonviminalis(Gaertn.)G.Don ex Loudon?


Describe the appearance of CyperusentrerianusBoeckl.?

Cyperus entrerianusis a wetland sedge that invades disturbed areas throughout the southeastern United States. It is a robust, up to 40 in. (1.02 m) tall, grass-like plant with deeply set, thick rhizomes and dark purple to black leaf bases.


Does tansy ragwort pose any ecological threat?

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


What is the growth habit of Conicosiapugioniformis(L.) N.E. Br?


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


What is the growth habit of wayfaringtree?


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


What is the growth habit of Callistemonviminalis(Gaertn.)G.Don ex Loudon?


Is this plant invasive to the United States?

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


Where can I view images of Cytisusstriatus(Hill) Rothm?


What is the scientific name of ryegrass?


What is the scientific name of scotch thistle?


What is the common name of Malustoringo(Siebold) Siebold ex de Vriese?


What is the scientific name of spiny plumeless thistle?


What is the scientific name of alligatorweed?


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


What is the growth habit of EhrhartaerectaLam.?


What is the growth habit of IpomoeacoccineaL.?


What is the growth habit of PhyllostachysaureosulcataMcClure?


What is the growth habit of Bothriochloaischaemum(L.) Keng?


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


Does yellow bluestem pose any ecological threat?

B. ischaemumgrows in dry stony places, fields, roadsides, waste ground, and pastures. It is native to Asia and Europe.


What is the common name of SagittariagramineaMichx.?


Where can I view images of TribulusterrestrisL.?


What is the common name of Ailanthusaltissima(P. Mill.) Swingle?


Is this plant invasive to the United States?


What is the growth habit of Cortaderiaselloana(Schult. & Schult. f.) Asch. & Graebn.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Osmanthusheterophyllus(G. Don) P.S. Green?


Does SolanumtorvumSw. pose any ecological threat?

AlthoughSolanum torvumhas only been found several times in Florida, it has the potential to invade a variety of sites, both wet and dry. Once established, it can sprout from the roots, creating large thickets that could displace native vegetation.Solanum torvumis found throughout the world’s tropical regions and was introduced into Florida sometime before 1900 for cultivation trials.


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


Is japanese netvein hollyfern native to the United States?


Where can I view images of TribuluscistoidesL.?


What is the growth habit of PhalariscanariensisL.?


What is the common name of Epipactishelleborine(L.) Crantz?


What is the common name of JasminumfluminenseVell.?


Where can I view images of rose campion?


What is the growth habit of CyperusinvolucratusRottb?


Describe the appearance of dames rocket?

Hesperis matronalisis an herbaceous, biennial forb that grows up to 4 ft. (1.2 m) in height. It may be included in native wildflower mix packets. Always check the list of species in wildflower mixes.


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


What is the growth habit of chinese silvergrass?


What is the scientific name of arabian coffee?


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


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


Abrus precatoriusis a small, perennial, high climbing vine.


What is the U.S. Department of Agriculture (USDA) plant symbol for showy fly honeysuckle, bell's honeysuckle?


What is the growth habit of TrifoliumarvenseL.?


Does RumexcrispusL. pose any ecological threat?

Rumex crispusis found in grasslands, pastures and arable land. It is native to Africa, temperate and tropical Asia and Europe.


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


Is this plant invasive to the United States?


Is EuphorbiapulcherrimaWilld. ex Klotzsch native to the United States?


Fruits are capsules that are smooth and glabrous. Seeds are 0.09-0.1 in. (2.2-2.4 mm) long.


What is the scientific name of common velvetgrass?


Is houndstongue native to the United States?


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


Where can I view images of puncturevine?


Is canistel native to the United States?


What is the common name of PhleumpratenseL.?


Describe the flowers of BromustectorumL.?

The panicles measure 2-7.75 in. (5-20 cm) long, have numerous branches, retain an open quality and are generally nodding. The panicles bear from 3 to 8 drooping spikelets, each spikelet is 0.8-1.4 in. (2-3.5 cm) long. The glumes are awl-shaped. The lemmas are narrowly lanceolate, 0.04-0.06 in. (1-1.5 mm) wide, toothed, and sometimes hairy. They have slender, straight awns that are 0.4-0.67 in. (10-17 mm) long. Flowering occurs from May to June.


What is the common name of Nymphoidespeltata(S.G. Gmel.) Kuntze?


What is the invasive/noxious status of HeracleummantegazzianumSommier & Levier and where is it classified as such?

Invasive (North Carolina), Invasive, Prohibited (Michigan), Noxious (United States), Potentially Invasive, Prohibited (Connecticut), Prohibited (New York), Prohibited (Wisconsin)


Does VerbascumblattariaL. pose any ecological threat?

Verbascum blattariaprefers highly disturbed areas including pastures, vacant lots, roadsides, and abandoned fields. It is native to Eurasia.


What is the growth habit of BromusbriziformisFisch. & C.A. Mey.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Spiraeajaponicavar. fortunei(Planch.) Rehder?


Is chinese banyan native to the United States?


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


Is SalixalbaL. native to the United States?


Is this plant invasive to the United States?


What is the scientific name of oriental vessel fern?


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


Describe the appearance of himalayan blackberry?

Rubus armeniacusis a perennial shrub, that is native to Eurasia. Stems grow to 15 ft. (4.6 m) before arching and trail the ground for up to 40 ft. (12.2 m).


Is chinese tallowtree native to the United States?


Describe the fruit of SolanumdulcamaraL.?

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


What is the common name of Euphorbiamaculata(L.) Small?


What is the growth habit of RumexobtusifoliusL.?


Describe the appearance of IlexaquifoliumL.?

Ilex aquifoliumis a large evergreen tree or shrub that can grow from 15-50 ft. (4.6-15.2 m) tall. Bark is smooth and can be grey to black in color.


What is the growth habit of HelichrysumpetiolareHilliard & Burtt?


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


What is the common name of Sporobolusdiandrus(Retz.) P. Beauv.?


What is the scientific name of new zealand spinach?


Where can I view images of Sphagneticolatrilobata(L.C. Rich.) Pruski?


Is MyosotislatifoliaPoir. native to the United States?


Is tropical nutrush native to the United States?


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


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


What is the growth habit of southern brassbuttons?


Where can I view images of chinese tallowtree?


What is the U.S. Department of Agriculture (USDA) plant symbol for Pseudosasajaponica(Sieb. & Zucc. ex Steud.) Makino ex Nakai?


Does Sphaerophysasalsula(Pallas) DC. pose any ecological threat?

Sphaerophysa salsulais native to Asia and invades roadsides, right-of-ways, ditches, and other disturbed sites.


Is this plant invasive to the United States?


Where can I view images of ohio buckeye?


What is the growth habit of Bruguieragymnorhiza(L.) Savigny?


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

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


Where can I view images of Rhodotyposscandens(Thunb.) Makino?


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


Where can I view images of Thinopyrumponticum(Podp.) Z.-W. Liu & R.-C. Wang?


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


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


Where can I view images of black dog-strangling vine, black swallowwort?


What is the common name of AcanthusmollisL.?


Is creeping buttercup native to the United States?


What is the common name of DioscoreapolystachyaTurcz.?


What is the scientific name of japanese knotweed?


Is yellow archangel native to the United States?


What is the scientific name of scarlet firethorn?


Is fireweed groundsel native to the United States?


What is the growth habit of foxtail millet?


Where can I view images of hairy whitetop?


Where can I view images of Ludwigiapalustris(L.) Ell.?


What is the common name of PsidiumguajavaL.?


What is the growth habit of Spartinapatens(Ait.) Muhl.?


What is the scientific name of pearlflower?

Heterocentronsubtriplinervium(Link & Otto) A. Braun & Bouché


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


Where can I view images of AcanthusmollisL.?


Is this plant invasive to the United States?


What is the growth habit of VeronicafiliformisSm.?


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


Is tropical bushmint native to the United States?


What is the scientific name of watercress?


Is AgrostisavenaceaJ.F. Gmel. native to the United States?


What is the common name of SolanumtriflorumNutt.?


What is the scientific name of false spiraea?


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


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


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


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


What is the growth habit of wild four-o'clock?


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


What is the growth habit of exotic swallowwort?


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


Describe the flowers of kentucky bluegrass?

The flower is its dense seed head. It flowers from May-July.


Does spurgelaurel pose any ecological threat?

Daphne laureolagrows best is areas with partial to deep shading such as woodlands. It is native to Europe and the Mediterranean. Be aware, this plant is poisonous to humans and can cause contact dermatitis when touched.


Describe the foliage of Triadicasebifera(L.) Small?

Leaves are alternate, heart-shaped, 2-3 in. (5.1-7.6 cm) long with a long, pointed tip.


What is the common name of TyphalatifoliaL.?


What is the common name of Caulerpataxifolia(Vahl) C. Agardth?


Where can I view images of japanese rose?


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


Where can I view images of Ligustrumspp.L.?


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

Prohibited (Alaska), Restricted (Wisconsin)


Is this plant invasive to the United States?


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


Describe the flowers of siberian peashrub?

Flowers are yellow, tubular, and can be found in groups of up to four flowers. The blooming period occurs from May to June.


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


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


Does Cocciniagrandis(L.) Voigt pose any ecological threat?

Coccinia grandisvines grow over and smother vegetation, and cover fences and power lines. Infestations ofCoccinia grandisthreatens both natural and managed areas. It is difficult to control because plants regrow from deep roots, even after treatment with herbicide. It is native to Africa and Asia.


What is the growth habit of CarduuspycnocephalusL.?


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


Where can I view images of malabar plum?


Flowering occurs in June, when yellow flowers develop in clusters at the apex of the plant.


What is the growth habit of VeronicahederifoliaL.?


Describe the appearance of MyriophyllumspicatumL.?

Myriophyllum spicatumis a submersed aquatic plant that invades lakes, ponds, and other aquatic environments throughout the United States. The plants are rooted and the stems grow up to the water surface, usually reaching 3-10 ft. (0.9-3 m) in length and can be as much as 30 ft. (9.1 m) long.


What is the scientific name of japanese angelica tree?


What is the growth habit of bladder senna?


Describe the flowers of Rhodotyposscandens(Thunb.) Makino?

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


Describe the fruit of silverleaf nightshade?

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


Is gold coast jasmine native to the United States?


Describe the foliage of LoniceramorrowiiGray?

The grayish-green leaves are opposite, elliptic to oblong, 2-3 in. (5.1-7.6 cm) long and hairy underneath. Often it is one of the first shrubs to leaf out in the spring.


Where can I view images of SpathoglottisplicataBlume?


What is the common name of AnthemiscotulaL?


What is the scientific name of american bugseed?


Where can I view images of water lettuce?


Is this plant invasive to the United States?


Describe the flowers of PaederiafoetidaL.?

Flowering occurs in late summer to fall, when small, pink or lilac flowers occur in clusters, either terminally or in leaf axils.


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


What is the growth habit of broom teatree?


Where can I view images of ChrysophyllumoliviformeL.?


Does Mycelismuralis(L.) Dumort. pose any ecological threat?

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


Does corn cockle pose any ecological threat?

Agrostemma githagohas naturalized in North America. It is usually found in disturbed areas, cultivated grain fields and disturbed sites. Seeds ofAgrostemma githagocan be a contaminant of wheat, oats, and ground corn. Modern agricultural practices have reduced the populations of this plant.


Describe the fruit of callery pear (bradford pear)?

Fruits are round, 0.5 in. (1.3 cm) in diameter and green to brown in color.


Is beach naupaka native to the United States?


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


Is fivestamen tamarisk native to the United States?


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


Where can I view images of paper-mulberry?


What is the common name of AgavesisalanaPerrine?


What is the growth habit of Pouteriacampechiana(Kunth) Baehni?


Is tropical soda apple native to the United States?


Is HedychiumgardnerianumShepard ex Ker-Gawl. native to the United States?


Does english oak pose any ecological threat?

Q. roburis easily grown in average, medium, well-drained soils in full sun. It prefers moist well-drained soils, but adapts to a wide range of soil conditions. Can take up to 25-30 years for this tree to bear a first crop of acorns.


Is Euonymusalatus(Thunb.) Sieb. native to the United States?


What is the common name of ArenariaserpyllifoliaL.?


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


Is LepidiumappelianumAl-Shehbaz native to the United States?


Where can I view images of SalixpurpureaL.?


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


What is the common name of SolanumphysalifoliumRusby?


What is the common name of Ipomoeacordatotrilobavar. cordatotrilobaDennst.?


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


Describe the flowers of japanese dodder?

Flowers are abundant, pale yellow, and sessile.


What is the growth habit of brazilian jasmine?


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 invasive/noxious status of smooth sumac and where is it classified as such?


Does GypsophilapaniculataL. pose any ecological threat?

Gypsophila paniculatacan be found in fields, roadsides, beaches, other open, sandy, disturbed sites. It is native to Europe and Asia.


Is tarweed cuphea native to the United States?


Where can I view images of MeliaazedarachL.?


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


Flowering occurs from June to October, when purple (rarely white) flowers appear in heads at the tips of the branches.


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


What is the growth habit of AvenabarbataPott ex Link?


Where can I view images of japanese sedge?


What is the growth habit of miniature flatsedge?


Is PaederiacruddasianaPrain native to the United States?


Is Microthlaspiperfoliatum(L.) F.K. Mey. native to the United States?


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


Is ImperatabrevifoliaVasey native to the United States?


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


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


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

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


Is tasmanian bluegum native to the United States?


Is this plant invasive to the United States?


Where can I view images of EucalyptusglobulusLabill.?


What is the growth habit of barnyardgrass?


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


What is the scientific name of hybrid mother of millions?


What is the scientific name of five-leaf aralia?


What is the growth habit of brassbuttons?


Describe the appearance of tree-of-heaven?

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.


Is wall lettuce native to the United States?


Is birdseye pearlwort native to the United States?


What is the growth habit of nettleleaf goosefoot?


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


What is the growth habit of Bromusinermisssp. inermis var. inermisLeyss.?


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


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


Describe the flowers of smallflower tamarisk?

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


Describe the appearance of poison hemlock?

Conium maculatum, Poison-Hemlock is a biennial herbaceous plant in the carrot family (Apiaceae) that grows 3-8 ft. (0.9-2.4 m) tall. Stems are stout, hollow, ridged, and purple-spotted.C. maculatumhas a thick, white taproot that may easily be mistaken for wild parsnips. All plant parts are poisonous; however, the seeds contain the highest concentration of poison.C. maculatumis native to Africa, temperate and tropical Asia and Europe.


Where can I view images of february daphne?


What is the scientific name of largeflower mexican clover?

Richardiagrandiflora(Cham. & Schlecht.) J.A. & J.H. Schultes


Is EulophiagramineaLindl. native to the United States?


Where can I view images of Solenostemonscutellarioides(L.) Codd?


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


Is fourleaf manyseed native to the United States?


Is chocolate vine native to the United States?


What is the growth habit of Fatouavillosa(Thunb.) Nakai?


What is the growth habit of Sorghumhalepense(L.) Pers.?


What is the growth habit of TragopogondubiusScop.?


Is common groundsel native to the United States?


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

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


Is scarlet spiderling native to the United States?


Is VeronicafiliformisSm. native to the United States?


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


Where can I view images of narrowleaf firethorn?


What is the growth habit of carpet bugle?


Is this plant invasive to the United States?


What is the scientific name of bittersweet nightshade?


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


Describe the flowers of VerbenamontevidensisSpreng.?

The small five petaled flowers ofV. montevidensisare lavender to purple and are borne in terminal cymes. They bloom all summer until the first frost.


Is SeneciovulgarisL. native to the United States?


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


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


What is the growth habit of DaturastramoniumL.?


What is the growth habit of golden trumpet?


What is the scientific name of creeping buttercup?


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

Leaves are large, broadly oval to heart-shaped (6-12 in. [15.2-30.5 cm] long, 5-9 in. [12.7-22.8 cm] wide) and arranged opposite along the stem, hairy on both surfaces. Petioles are also hairy and can be sticky when young. Leaves growing off root sprouts have been measured up to 2 ft. (0.6 m) in length. Twigs are stout, brown, and speckled with white dots (lenticels). They can be slightly hairy when young. Lateral leaf scars are somewhat round, becoming darker and sunken. The pith is chambered or sometimes hollow.


Describe the flowers of TussilagofarfaraL.?

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


What is the growth habit of Costusspeciosus(Koenig) Sm.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Menthax villosaHuds. (pro sp.) [spicata × suaveolens]?


The pale yellow to whitish colored flowers have a powder puff appearance due to the presence of numerous stamens. Each one ranges from 0.2-0.4 in. (5-10 mm) in diameter. The flower clusters are borne on peduncles from 0.2-0.6 in. (5-14 mm) long. They are alternately arranged and arise from the phyllode axil. Flowering can occur year round.


What is the common name of Salixx pendulinaWenderoth [babylonica × fragilis]?


Does scotch thistle pose any ecological threat?

O. acanthiumis a major agricultural weed in western United States. With enough moisture, it can resprout from roots cut up during cultivation. This plant spreads easily because each plant can produce over 20,000 wind dispersed seeds. The seeds can also be dispersed by water or by being caught in the fur of animals.


What is the scientific name of hawai'i ticktrefoil?


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


What is the common name of Alnusglutinosa(L.) Gaertn.?


Where can I view images of AlliumvinealeL.?


Is UrenalobataL. native to the United States?


What is the growth habit of CarduusacanthoidesL.?


Is this plant invasive to the United States?


What is the common name of Leucaenaleucocephala(Lam.) de Wit?


Describe the foliage of summer snowflake?

Leaves are dark green, 12 in. (30.5 cm) long and 1 in. (2.5 cm) wide, and form an upright often vase shaped clump of foliage.


Where can I view images of AlhagimaurorumMedik?


What is the scientific name of laurustinus?


Where can I view images of creeping beggarweed?


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


Where can I view images of big quakinggrass?


What is the scientific name of mourningbride?


Does lily of the valley pose any ecological threat?

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


Where can I view images of RubusphoenicolasiusMaxim.?


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


Describe the foliage of curly leaf pondweed?

Leaves are sessile, oblong, stiff, 1.6-3.9 in. (4-10 cm) long, 0.2-0.4 in. (5-10 mm) wide, translucent and have noticeably curly margins (resemble lasagna noodles).


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


What is the growth habit of common tarweed?


What is the growth habit of siberian elm?


What is the growth habit of california privet?


What is the scientific name of dames rocket?


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


What is the scientific name of bluebuttons, field scabious?


What is the growth habit of brazilian waterweed, brazilian elodea?


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


Is this plant invasive to the United States?


What is the growth habit of crystalline iceplant?


What is the growth habit of LythrumsalicariaL.?


Describe the appearance of ArtemisiaabsinthiumL.?

Artemisia absinthiumis an herbaceous, perennial plant that can grow up to 5 ft. (1.5 m) tall. It has many branching stems arising from a woody base.


What is the scientific name of velvetleaf?


Describe the appearance of torpedograss?

Panicum repensis a perennial grass that can reach up to 3 ft. (1 m) tall. Plants have long, creeping rhizomes with sharp-pointed (torpedo-like) tips.


Is Dysphaniapumilio(R. Br.) Mosyakin & Clemants native to the United States?


Where can I view images of Nephrolepisbrownii(Desv.) Hovenkamp & Miyam.?


What is the growth habit of callery pear (bradford pear)?


Describe the fruit of Eragrostiscurvula(Schrad.) Nees?

Seed heads are panicles that contain many tiny seeds. The seed heads can grow from 30-40 in. (0.8-1 m) tall


Is slender speedwell native to the United States?


What is the scientific name of white bladderflower?


What is the growth habit of Campsisradicans(L.) Seem. ex Bureau?


What is the scientific name of morrow's honeysuckle?


Describe the foliage of common water hyacinth?

The leaves are oval to elliptical, thick, up to 6 in. (15 cm) wide and waxy with spongy petioles. Leaves curve inward at the edges.


Is red fescue native to the United States?


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


Describe the flowers of japanese angelica tree?

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


Is Hemarthriaaltissima(Poir.) Stapf & C.E. Hubbard native to the United States?


The oval fruits are pink capsules held in drooping clusters and are from 1 - 3 in. long. Seeds are black.


Is balsam poplar native to the United States?


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

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


What is the growth habit of golden bellapple?


What is the growth habit of beach strawberry?


What is the common name of ErigeroncanadensisL.?


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


Is this plant invasive to the United States?


What is the scientific name of rose glorybower?


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


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


What is the growth habit of HieraciumcaespitosumDumort.?


Describe the flowers of large gray willow?

The flower are cylindrical catkins which appear before the leaves in spring. They are about 0.8-1.2 in (2-3 cm) long by 0.2-0.4 in (0.6-1 cm) wide with female catkins longer and narrower than male catkins.


What is the scientific name of barnyardgrass?


Describe the foliage of small broomrape?

Leaves are greatly reduced (vestigial), alternate and triangular shaped.


What is the scientific name of mexican tea?


Describe the fruit of european frog-bit?

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


What is the growth habit of Setariapumila(Poir.) Roemer & J.A. Schultes?


Is PhellodendronjaponicumMaxim. native to the United States?


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


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


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


Describe the flowers of shortpod mustard?

Flower petals are 0.2-0.4 in. (5-10 mm) long with 0.12-0.2 in. (3-5 mm) filaments and 0.04-0.06 in. (1-1.5 mm) anthers. Flowers bloom from April to November.


Does Cytisusscoparius(L.) Link pose any ecological threat?

Cytisus scopariusoccurs along roadsides, coastal sites, disturbed sites, pastures, and dry scrubland. Its nitrogen fixing ability allows it to compete successfully on poor, dry, sandy soils. It grows well in full sun. It has been considered a pest weed since the 1920’s on the West Coast.Cytisus scopariusis native to western and central Europe. It was introduced into the United States as an ornamental in the early 1800s.


Where can I view images of AvenafatuaL.?


Is bottlebrush native to the United States?


Is RubusellipticusSm. native to the United States?


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


What is the common name of Tripleurospermuminodorum(L.) Sch. Bip.?


What is the scientific name of tropical bushmint?


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


Describe the flowers of CentaureastoebeL.?

Flowers from June-November. Each branch topped by an egg-shaped flower bud covered with overlapping rows of dry, fringed green bracts with black tips. Bracts eventually part at top to allow a constricted pinkish-to-lavender thistle plume to radiate out and up, 0.75-1 in. (2-2.5 cm) wide and overall about 1 in. (2.5 cm) long.


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


Is flat peavine native to the United States?


What is the scientific name of slender russian thistle?


What is the common name of Vulpiamyuros(L.) K.C. Gmel.?


Where can I view images of BromusbriziformisFisch. & C.A. Mey.?


Describe the flowers of OrobancheminorSmith?

Flowers, borne on terminal clusters, are snapdragon-like, with 0.5 in. (1.3 cm) long, purple-tinged petals. Flowering occurs in the winter and spring.


Is melaleuca native to the United States?