Does Albizialebbeck(L.) Benth pose any ecological threat?

A. lebbeckis seen invading agricultural areas, coastland, natural forests, planted forests, ruderal/disturbed, scrub/shrublands, urban areas.


Describe the flowers of japanese stiltgrass?

Flowering begins in September, when delicate flower stalks develop in the axils of the leaves or at the top of the stems.


Is pearlflower native to the United States?


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


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

No fertile fruit is known to be produced in the United States.


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


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 great burdock native to the United States?


What is the growth habit of Sennasurattensis(Burm. f.) Irwin & Barneby?


Describe the flowers of HypericumcanarienseL.?

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


What is the scientific name of yellow hornpoppy?


Is Achnatherumbrachychaetum(Godr.) Barkworth native to the United States?


Is broom teatree native to the United States?


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

Category 1 (Alabama), Invasive (Delaware), Invasive (DOC, IPC) (Missouri), Invasive (North Carolina), Invasive, Prohibited (Connecticut), Prohibited (New York), Prohibited (Wisconsin)


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


Where can I view images of UtriculariainflataWalter?


What is the common name of Cordylineaustralis(G. Forst.) Endl.?


What is the growth habit of willowleaf lettuce?


What is the scientific name of purpleosier willow?


What is the scientific name of small carpetgrass, joint-head grass?


Where can I view images of Ventenatadubia(Leers) Coss. & Durieu?


Does PistiastratiotesL. pose any ecological threat?

Pistia stratiotes, forms extensive mats that can block navigational channels, impede water flow in irrigation and flood control canals, and disrupt submersed animal and plant communities (Sculthorpe, 1967; Attionu, 1976; Bruner, 1982; Sharma, 1984).Pistia stratiotesis among the world’s worst weeds (Holm et al., 1977). It has been placed on prohibited plant lists in Florida (FDEP, 2000), Louisiana (LDWF, 2000), Mississippi (MDAC, 1997), and Texas (TPWD, 2000), and is considered a noxious species (an invasive species of concern, but not regulated) in South Carolina (SCDNR, 2000) and Delaware (DDFW, 2000).


What is the growth habit of CyperusdifformisL.?


Is ScleriamicrocarpaNees ex Kunth native to the United States?


The leaves are alternate, bi-pinnately compound, 1-2 ft. (0.3-0.6 m) in length and turn golden-yellow in fall.


What is the growth habit of StachytarphetaurticifoliaSims?


What is the scientific name of rescuegrass?


Describe the foliage of TussilagofarfaraL.?

The basal leaves are heart-shaped, slightly toothed and up to 6 in. (15.2 cm) wide.


What is the scientific name of bigpod sesbania?


What is the growth habit of wine raspberry?


What is the scientific name of nettleleaf goosefoot?


Is SolanumaviculareG. Forst. native to the United States?


Is GlechomahederaceaL. 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 tall buttercup?


What is the scientific name of austrian fieldcress?


Describe the appearance of RosarugosaThunb.?

Rosa rugosais a deciduous, multi-stemmed shrub. Stems are erect to arching, to 5 ft (1.5 m), often much branched, tomentose when young and densely prickly. Prickles from large to small are slender and straight. Larger prickles near the base may be tomentose and are usually glabrous at the point. It sends out woody rhizomes which can expand or create infestations.


What is the common name of MalvamoschataL.?


What is the growth habit of pearlflower?


Is governor's plum native to the United States?


Describe the flowers of RosabracteataJ.C. Wendl.?

Flowers are white with five petals and occur in small clusters from April to June.


What is the growth habit of tansy ragwort?


Is water-bent native to the United States?


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


Flowering occurs in late spring, when bunches of small, green flowers develop.


Is BetulapendulaRoth native to the United States?


Where can I view images of UrticadioicaL.?


Describe the flowers of Alternantheraphiloxeroides(Mart.) Griseb.?

Flowering occurs during the summer with white, clover-like heads in the axils of the leaves.


What is the scientific name of moonflower?


Describe the fruit of wild four-o'clock?

Seeds are greyish brown to reddish brown in color, narrowly obovate, round to club-shaped, smooth, 0.4 in. (1 cm) in length, and have 5 ribs.


What is the common name of Ageratinaadenophora(Spreng.) King & H.E. Robins.?


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


Describe the flowers of princess-flower?

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


What is the scientific name of cutleaf nightshade?


Is this plant invasive to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for mile-a-minute vine, asiatic tearthumb?


Where can I view images of wild marigold?


What is the growth habit of redroot pigweed?


What is the U.S. Department of Agriculture (USDA) plant symbol for hairy cat's ear?


Is incense-cedar native to the United States?


What is the scientific name of senegal date palm?


What is the common name of Callunavulgaris(L.) Hull?


Where can I view images of canada goldenrod?


Describe the flowers of SetariafaberiHerrm.?

Flowering occurs in late summer to early fall, when a green (eventually straw colored), bristly inflorescence develops. The inflorescence resembles a foxtail, hence the common name.


Describe the fruit of ErigeroncanadensisL.?

It is a prolific seed producer with approximately 700,000 seeds per pound. The fruit is an achene with a white to grayish white bristly pappus.


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

Category 1 (Alabama), Invasive (North Carolina), Invasive, Prohibited (Michigan), Noxious (United States), Potentially Invasive, Prohibited (Connecticut), Prohibited (Minnesota), Prohibited (Wisconsin)


What is the common name of AegilopsgeniculataRoth?


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


What is the scientific name of gray dogwood?


Is canary island date palm native to the United States?


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


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 XanthiumspinosumL.?


What is the common name of RhusglabraL.?


Solanum torvumhas small, white flowers that occur in large, branched clusters. Plants flower continuously after reaching a height of 3.3-4.9 ft. (1-1.5 m).


Where can I view images of sweet breath of spring?


What is the scientific name of prickly russian thistle?


Does garden loosestrife pose any ecological threat?

Lysimachia vulgarispresents a similar threat as the serious invasiveLythrum salicaria(purple loosestrife). In Washington state it has been reported as possibly outcompetingLythrum salicariain wetland habitats. The rhizomes spread readily. Though its populations have not yet reached the numbers ofLythrum salicariapopulations, it has the potential to do so.Lysimachia vulgarisprefers moist soil, and will invade fens, wet woods, lake shores, rocky river shores and riparian zones.


Is BambusavulgarisSchrad. ex J.C. Wendl. native to the United States?


What is the growth habit of PrunusmahalebL.?


What is the growth habit of BromusrubensL.?


Describe the appearance of yellow devil hawkweed?

Hieracium x floribundumis a perennial herbaceous plant in the sunflower family that ranges from 10-36 in. (25-91 cm) tall. The single stem contains a milky sap and has long sparsely scattered bristles.H. x floribundumis native to temperate Asia and Europe.


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


Opposite, elliptical leaves are thick but non-succulent and are up to 4 in. (10 cm) long.


Is gray sheoak native to the United States?


What is the scientific name of eastern redcedar?


Is Viciavillosassp. varia(Host) Corb. native to the United States?


Describe the foliage of RanunculusacrisL.?

Foliage is divided and pilose with long petioles. Basal leaf blades ofR. acrishave 3-5 deep lobes that are also divided. The overall shape is pentagonal about 0.7-2.0 by 1.0-3.9 in. (1.8-5.2 by 2.7-9.8 cm). It has toothed margins.


This plant usually has many purple flower heads borne on short peduncles that do not reach more than 0.4 in. (1 cm) in length. The ovoid involucre is 0.4-0.75 in. (1-2 cm) across. The bracts are not spine-tipped. The flowers appear in June and July.


Where can I view images of clasping pepperweed?


What is the common name of Cuscutaepithymum(L.) L.?


Is this plant invasive to the United States?


Is praxelis native to the United States?


Describe the foliage of LysimachianummulariaL.?

The leaves are opposite, simple and broadly ovate 0.25-1.5 in (0.6-3.8 cm) long with entire margins. The leaves are obtuse at both ends, resembling coins and giving it the common name, moneywort.


Is LigustrumlucidumW.T. Aiton native to the United States?


Where can I view images of Fraxinusuhdei(Wenzig) Lingelsh?


Is Citrusx aurantiifolia(Christm.) Swingle native to the United States?


Describe the appearance of EucalyptusglobulusLabill.?

Eucalyptus globulusis an aromatic tree. Commonly attains a height of 150-180 ft. (45.7-54.9 m) and a diameter of 4-7 ft. (1.2-2.1 m). It has a straight trunk up to two-thirds of its total height and a well-developed crown.


Where can I view images of BryoniaalbaL.?


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

Lygodium microphyllumis a perennial climbing fern that can reach lengths of more than 90 ft. (27.4 m).


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


In the early summer, flowers appear in racemes from the axils of the upper leaves. Flowers are reddish-purple with a five-lobed corolla.


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


Where can I view images of EhrhartalongifloraSm.?


Is CalophyllumantillanumBritt native to the United States?


Is Jasminummultiflorum(Burm. f.) Andr. native to the United States?


Where can I view images of TragopogonporrifoliusL.?


Does AsphodelusfistulosusLinnaeus pose any ecological threat?

Asphodelus fistulosuscan be found in roadsides, pastures, disturbed areas, grasslands, and suburban settings. It is drought resistant and prefers sandy or gravelly soils. It is native to the Mediterranean region and from western Asia to northern India.


What is the growth habit of small broomrape?


Is this plant invasive to the United States?


What is the scientific name of tall oatgrass?

Arrhenatherumelatius(L.) Beauv. ex J.& K. Presl


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


What is the growth habit of MeliaazedarachL.?


The leaves are opposite, 6-10 in. (15-25 cm) long, velvety and lanced-shaped.


Where can I view images of tropical almond?


Where can I view images of SpartinaalternifloraLoisel.?


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


Is Erodiumcicutarium(L.) L'Hér. ex Ait. native to the United States?


Where can I view images of Petroselinumcrispum(P. Mill.) Nyman ex A.W. Hill?


Where can I view images of swamp morning-glory?


What is the common name of Lespedezacuneata(Dum.-Cours.) G. Don?


What is the growth habit of nodding beggarticks?


Rottboellia cochinchinensisis an annual grass that invades disturbed and agricultural areas throughout the southeastern United States.


Describe the foliage of spotted deadnettle?

Spotted deadnettle is a light green that the leaves are opposite, ovate, and crenate entire plant slowly dies back to the crown during late Autumn and early Winter (evergreen in Southern climates).


Is LigustrumamurenseCarrière native to the United States?


Describe the flowers of GaliummollugoL.?

The small white flowers are borne in a terminal cyme. The white corolla has 4 lobes (rarely 3) which are pointed at the tip. There is a pair of ovoid green carpels at the base of the flower.


Describe the appearance of amur corktree?

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


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

Invasive (North Carolina), Watch (Delaware)


Describe the appearance of sweet autumn virginsbower?

Clematis terniflorais a climbing, semi-evergreen, ornamental vine.


What is the growth habit of peruvian groundcherry?


What is the common name of Sporobolusindicusvar. capensisEngelm.?


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


Is this plant invasive to the United States?

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


What is the scientific name of shamel ash?


What is the growth habit of twoleaf watermilfoil?


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


What is the growth habit of Alliumvinealessp. vinealeL.?


What is the common name of CelastrusorbiculatusThunb.?


What is the scientific name of carpet bugle?


Is brittleleaf naiad native to the United States?


What is the growth habit of AraujiasericiferaBrot.?


Describe the fruit of european waterstarwort?

The fruits are nearly round (suborbicular) and 0.06-0.08 in. (1.5-2 mm) thick. Each mericarp of the fruit has a thin (0.004 in. / 0.1 mm) winged margin running from its base to its apex.


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


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


Where can I view images of jamaica vervain?


What is the common name of NandinadomesticaThunb.?


What is the growth habit of ClematisvitalbaL.?


Fruits are round, 0.2-0.3 in. (5-8 mm) in diameter, and pink to reddish turning black when mature with a strong pepper scent when crushed.


What is the growth habit of chamber bitter?


Does GaliumverumL. pose any ecological threat?

Galium verumcan be found in sunny areas along roadsides, in fields, and in pastures. It is native to Europe and Asia.


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


Is this plant invasive to the United States?


What is the common name of AsparagusaethiopicusL.?


What is the common name of SpartinaanglicaC.E. Hubbard?


Is black bamboo native to the United States?


Is ManihotesculentaCrantz native to the United States?


What is the common name of GaleopsistetrahitL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Oleaeuropaeassp. cuspidata(Wall. ex G. Don) Ciferri?


Does AlhagimaurorumMedik pose any ecological threat?

Alhagi maurorumis found in arid, agricultural areas and riverbanks of the western U.S. where it has access to water during the growing season. The plant rapidly colonizes an area by producing new plants from its creeping roots. It is native to the Mediterranean region and western Asia and was introduced to the United States in the early 1900s as a contaminant in alfalfa seed.


Describe the flowers of RubusarmeniacusFocke?

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.


Describe the fruit of CampanularapunculoidesL.?

It is a prolific seed producer with as many as 15,000 seeds per plant.


Is UlmusparvifoliaJacq. native to the United States?


Where can I view images of PinusponderosaP.& C. Lawson?


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


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

Grevillea robustais a perennial tree that can grow up to 65.6-98.4 ft. (20-30 m) tall.


What is the scientific name of taiwanese cheesewood?


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


Is red ginger native to the United States?


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

Hydrilla verticillatais a submersed, rooted aquatic plant that can grow in water up to depths of 20 ft. (6.1 m). Plants can survive in depths up to 40 ft. (12 m) in non-turbid water.


What is the common name of Cinnamomumburmanni(Nees & Th. Nees) Nees ex Blume?


What is the growth habit of PhoenixreclinataJacq.?


Is this plant invasive to the United States?


What is the growth habit of tussock paspalum?


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

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


Is Cocciniagrandis(L.) Voigt native to the United States?


Is marsh thistle native to the United States?


What is the common name of MicrolaenastipoidesLabill.?


What is the growth habit of vinegartree?


Is java plum native to the United States?


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


Describe the fruit of AsphodelusfistulosusLinnaeus?

Fruit is spherical in shape and divided into three segments. Seeds are triangular and dark brown or black, 0.13 in. (0.32 cm) long, and wrinkled with 3 or 6 per fruit.


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


Describe the fruit of SolanumtampicenseDunal?

The fruits are small tomato-like berries that turn bright red when ripe.


Where can I view images of CentaureasolstitialisL.?


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

This slender tree has a single trunk with dark grey outer bark and orange inner bark. Leaves are compound with 4-12 leathery, yellow green, 7.9 in. (20 cm) long, leaflets with smooth margins and rounded tips.


What is the scientific name of goat willow?


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


What is the scientific name of goutweed?


Where can I view images of yellow sweet-clover?


Is this plant invasive to the United States?


What is the scientific name of mediterranean clone of caulerpa?


Is creeping bentgrass native to the United States?


Is cherry plum native to the United States?


Describe the fruit of TussilagofarfaraL.?

The white, fluffy seed heads resemble dandelions. It also reproduces through rhizomes.


What is the growth habit of CynaracardunculusL.?


What is the growth habit of white bladderflower?


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


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 VeronicapolitaFr.?


Does perennial veldtgrass pose any ecological threat?

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


What is the growth habit of Setariapalmifolia(Koenig) Stapf?


Where can I view images of garden spurge?


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


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

Fruits are cylindrical, light brown, 0.08 in. (2 mm) long, and narrow at the top then expanded at the base. Seeds are 30 bristles, fluffy, 0.12-0.16 in. (3-4 mm) long attached at the base.


What is the growth habit of PrunellavulgarisL.?


Where can I view images of ArtemisiaabsinthiumL.?


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


What is the scientific name of sacred datura?


Is spiny sowthistle native to the United States?


What is the growth habit of RosaspinosissimaL.?


Is this plant invasive to the United States?


What is the common name of Pyracanthacrenulata(D. Don) Roem.?


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


Describe the fruit of SpartinadensifloraBrongn.?

Seeds are 0.25-0.4 in. (0.6-1 cm) long and smooth. S. densiflora reproduces by seed and rarely rhizomes.


Where can I view images of madagascar periwinkle?


Is spanish heath native to the United States?


What is the scientific name of oriental mustard?


Is red sesbania native to the United States?


Where can I view images of lawn burweed?


Does AlbiziajulibrissinDurazz. pose any ecological threat?

Albizia julibrissininvades any type of disturbed habitat. It is commonly found in old fields, stream banks, and roadsides. Once established, mimosa is difficult to remove due to the long lived seeds and its ability to re-sprout vigorously.Albizia julibrissinis native to Asia and was first introduced into the U.S. in 1745. It has been widely used as an ornamental.


Is ventenata native to the United States?


Is Limnophilasessiliflora(Vahl) Blume native to the United States?


Is EucalyptuscamaldulensisDehnhardt native to the United States?


Where can I view images of FicariavernaHuds.?


Male and female flowers are on the same plant. Female flowers are along the first to the middle part of the leaf with male flowers from the middle to the tip. Flowers are very small and yellowish white.


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


Is Arctothecaprostrata(Salisb.) Britten native to the United States?


What is the common name of AlliumvinealeL.?


Describe the flowers of benghal dayflower?

Aboveground flowers are very small with relatively large lilac to blue petals and are present from the spring into the fall. Underground flowers, which grow on burrowing rhizomes, are white and very small.


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


Describe the fruit of LoniceraxylosteumL.?

Fruits (when produced) are dark red berries that are eaten and spread by birds.


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


Where can I view images of HedychiumcoronariumKoenig?


Is redhot poker native to the United States?


Is Lespedezathunbergii(DC.) Nakai native to the United States?


What is the common name of ScabiosaatropurpureaL.?


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


Is this plant invasive to the United States?


Where can I view images of japanese false spleenwort?


Does SisymbriumaltissimumL. pose any ecological threat?

Sisymbrium altissimumwas first seen in the United States in 1878 in Philadelphia; seeds were probably introduced accidentally in ship ballast. Plants invade fields, open forests, and other disturbed open areas.


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


Describe the appearance of TribulusterrestrisL.?

Tribulus terrestrisis an annual, low-spreading forb native to the Mediterranean.


What is the common name of ClematisternifloraDC?


Describe the appearance of eurasian watermilfoil?

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.


Where can I view images of PaspalumurvilleiSteud.?


What is the scientific name of ovate goatgrass?


What is the growth habit of pomegranate?


What is the scientific name of hop clover?


Is CallicarpajaponicaThunb. native to the United States?


Does melaleuca pose any ecological threat?

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


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


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


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


Describe the appearance of woolly distaff thistle?

Carthamus lanatusis a winter annual forb that can grow up to 3.3 ft. (1 m) tall.


What is the growth habit of Petroselinumcrispum(P. Mill.) Nyman ex A.W. Hill?


Is large gray willow native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Petrorhagiadubia(Raf.) G. López & Romo?


This plant mainly reproduces from rhizomes (underground stems).


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


Where can I view images of hairy beggarticks?


Is Euonymusfortunei(Turcz.) Hand.-Maz. native to the United States?


What is the scientific name of bushkiller?


What is the growth habit of japanese hedge-parsley, erect hedgeparsley?


Where can I view images of common selfheal?


Where can I view images of corn gromwell?


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


Is this plant invasive to the United States?


Is threelobe false mallow native to the United States?


Describe the fruit of AgrostisgiganteaRoth?

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


What is the common name of PolygonumaviculareL.?


What is the scientific name of european bird cherry?


The developing pods are small upright ovate pods, which may not be readily visible through the remnants of the flower. When mature, the pods area a dark brown and opened at the tip. The seeds are dust-like particles which can easily be distributed by the wind.


What is the common name of ManihotglazioviiMuell.-Arg.?


What is the growth habit of persian speedwell?


What is the scientific name of seifriz's chamaedorea?


What is the growth habit of QuisqualisindicaL.?


Describe the fruit of saltmeadow cordgrass?

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


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


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


What is the common name of SalsolasodaL.?


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


What is the growth habit of NepetacatariaL.?


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


Describe the fruit of Wisteriasinensis(Sims) DC.?

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


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


Describe the foliage of NardusstrictaL.?

Leaves are hard and bristle-like, bluish green and up to 0.25 in. (0.6 cm) wide, appearing narrower because blades are tightly folded along the midrib.


Flowers are about 1 1/2 inches long, purple, and have hairy bracts.


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 perennial ryegrass?


What is the growth habit of java waterdropwort?


What is the growth habit of yellow bluestem?


Where can I view images of longfruited primrose-willow?


What is the scientific name of cluster mallow?


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


Describe the flowers of Epipactishelleborine(L.) Crantz?

Flowers are 0.79-1.2 in. (2-3 cm) long, open with 3 petals the lowest petal forming a lip, and range in color from green to whitish green or green streaked to completely purple. Blooming occurs late June to August.


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


Is RanunculusacrisL. native to the United States?


What is the common name of Acinosarvensis(Lam.) Dandy?


What is the growth habit of PrunusspinosaL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Mimosapudicavar. unijuga(Duchass. & Walp.) Griseb.?


Does TyphalatifoliaL. pose any ecological threat?

Typha latifoliacan be found in areas where the soil remains wet or even flooded for the entire growing season. It is native to all U.S, states except Hawaii.


What is the scientific name of hierba del soldado?


Is motherwort native to the United States?


What is the growth habit of tall lodgepole pine?


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


Is this plant invasive to the United States?


Describe the appearance of CardamineimpatiensL.?

Cardamine impatiensis an herbaceous plant which can be an annual or biennial. It can grow to be 2 ft. (0.6 m) in height. The stem is erect and glabrous. It is somewhat shade tolerant, so it does well in forest edges or dappled sunlight. It also does well in areas that have moist soil.


What is the growth habit of forest redgum?


What is the growth habit of SolanumpseudocapsicumL.?


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


Is Anthriscussylvestris(L.) Hoffmann native to the United States?


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


Describe the foliage of absinth wormwood?

Leaves are alternate, gray-green, 1-4 in. (2.5-10.2 cm) long and give off a strong sage-like scent when crushed. Lower leaves are divided into 2-3 segments and the upper leaves are not divided.


What is the growth habit of EchiumcandicansL. f.?


Describe the flowers of RumexacetosellaL.?

Flowering occurs from March to November, when yellowish-green flowers (male) or reddish (female) flowers develop in clusters of a branched inflorescence at the apex of the stem. Flowers are typically drooping and have 3 petals and 3 sepals, each less than 0.04-0.06 in. (1-1.5 mm) long.


Does DigitalispurpureaL. pose any ecological threat?

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


Does LysimachiavulgarisL. pose any ecological threat?

Lysimachia vulgarispresents a similar threat as the serious invasiveLythrum salicaria(purple loosestrife). In Washington state it has been reported as possibly outcompetingLythrum salicariain wetland habitats. The rhizomes spread readily. Though its populations have not yet reached the numbers ofLythrum salicariapopulations, it has the potential to do so.Lysimachia vulgarisprefers moist soil, and will invade fens, wet woods, lake shores, rocky river shores and riparian zones.


Where can I view images of NajasminorAll.?


Describe the fruit of japanese angelica tree?

Fruits are small purple to black berries appearing August to September and ripening from September to October.


Describe the appearance of french broom?

Genista monspessulanais a perennial leafy leguminous shrub that grows up to 9.8 ft. (3 m) tall. The main stem is grey and hairless.


What is the common name of MedicagopolymorphaL.?


Is RosabracteataJ.C. Wendl. native to the United States?


Is this plant invasive to the United States?


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


Describe the foliage of creeping waterprimrose?

Leaves are alternately arranged and vary in shape and size, from lanceolate to ovate. They range from 0.5-4 in. (1.27-10.2 cm) long. Leaves are hairless and have smooth margins. Leaf petioles range from 1-1.5 in. (2.5-3.8 cm) long.


Does chinese privet pose any ecological threat?

Several privet species occur, and distinguishing among them can be difficult.Ligustrum sinensecan tolerate a wide range of conditions. Plants form dense thickets, invading fields, fencerows, roadsides, forest understories, and riparian sites. They can shade out and exclude native understory species, perhaps even reducing tree recruitment. Native to Europe and Asia,Ligustrum sinensewas introduced in the United States in 1852 as an ornamental plant. It is commonly used as an ornamental shrub and for hedgerows.


What is the growth habit of Ipomoeacordatotrilobavar. cordatotrilobaDennst.?


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


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


Describe the flowers of queen-devil hawkweed?

The small flower heads are often held in an umbel. The yellow ray flowers resemble dandelions.


What is the growth habit of Bassiahyssopifolia(Pallas) Kuntz?


Describe the appearance of woman's tongue tree?

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


Is giant ragweed native to the United States?


Does Securigeravaria(L.) Lassen pose any ecological threat?

Securigera variareproduces and spreads rapidly by rhizomes as well as seeds. It forms dense thickets in open, disturbed areas such as fields and roadsides. Once established it is difficult to remove.Securigera variais native to Europe, Asia and Africa. It was first introduced into North America around the 1950s and has been widely planted for erosion control.


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


What is the common name of PlantagoaustralisLam.?


What is the growth habit of AcerpalmatumThunb.?


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 Achyranthesjaponica(Miq.) Nakai?


Is canereed native to the United States?


Where can I view images of japanese clover?


Describe the flowers of AlhagimaurorumMedik?

The small, pea-like flowers extend from the spines located along the rigid branches. They are produced in June to August. These flowers are brown to maroon in color.


What is the growth habit of ReynoutriasachalinensisF. Schmidt ex Maxim.?


What is the scientific name of japanese corktree?


What is the growth habit of Fraxinusuhdei(Wenzig) Lingelsh?


What is the scientific name of coltsfoot?


Is CentaureamacrocephalaPuschk. ex Willd. native to the United States?


What is the growth habit of orange jessamine?


What is the growth habit of stinging nettle?


Describe the fruit of Lepidiumdraba(L.) Desv?


Where can I view images of AmbrosiatomentosaNutt.?


Is Leptospermumlaevigatum(Sol. ex Gaertn.) F. Muell. native to the United States?


Is cheatgrass, downy brome native to the United States?


Is this plant invasive to the United States?


Describe the foliage of SpartiumjunceumL.?

Spanish broom has long, slender, leafless or few-leaved, green branches. The shrub is virgately branched and contains no spines, unlike gorse (Ulex europaeus). The alternate leaves are simple, entire and more or less strigose, having short petioles. The narrower leaves are 0.4-1.2 in. (1-3 cm) long.


Where can I view images of PyracanthacoccineaM. Roemer?


Describe the appearance of RosabracteataJ.C. Wendl.?

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


What is the growth habit of giant salvinia?


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


Is shoebutton ardisia native to the United States?


What is the growth habit of yellow hornpoppy?


Is PassifloraedulisSims native to the United States?


Is SonchusL. native to the United States?


Is PopulustremulaL. native to the United States?


Is false green kyllinga native to the United States?


Leaves are alternate in tight spirals, grey-blue, thick, waxy, oval to wedge-shaped, pointed at the tip, and 0.63-1.25 in. (1.6-3.2 cm) long and 0.25-1 in. (0.64-2.5 cm) wide.


Where can I view images of cathedral bells?


Is AvenafatuaL. native to the United States?


Is Acaciamearnsiide Wildeman. native to the United States?


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


What is the growth habit of barb goatgrass?


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


Does Cirsiumvulgare(Savi) Ten. pose any ecological threat?

Cirsium vulgarecan invade almost any type of disturbed area, such as forest clearcuts, riparian areas and pastures. Plants can form dense thickets, displacing other vegetation. The spiny nature of the plant renders it unpalatable to wildlife and livestock and reduces the forage potential of pastures.Cirsium vulgareis native to Europe, western Asia, and northern Africa. It is thought to have been introduced to the eastern United States during colonial times and the western United States in the late 1800s. It is currently found in all 50 states.


Where can I view images of white mulberry?


Is itchgrass native to the United States?


Where can I view images of Lespedezathunbergii(DC.) Nakai?


What is the growth habit of smallseed falseflax?


Is UlexeuropaeusL. native to the United States?


Is HesperismatronalisL. native to the United States?


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

Foliage is one of the best identifying characteristics for this species. The leaves are pinnately compound and 1-4 ft. (0.3-1.2 m) in length with 10-41 leaflets.Ailanthus altissimaresembles native sumac and hickory species, but it is easily distinguished by the glandular, notched base on each leaflet.


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

Noxious (United States), Watch List (Alabama)


Is dotted duckmeat native to the United States?


Describe the appearance of PopulusalbaL.?

Populus albais a tree that can grow 40-80 ft. (12.2-24.4 m) tall and 40-50 ft. (12.2-15.2 m) wide. The bark on young trees is smooth and greenish white becoming gray and wrinkled, as trees age.


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


Where can I view images of PyrusbetulifoliaBunge?


What is the common name of PotamogetoncrispusL.?


Describe the appearance of Phragmitesaustralis(Cavanilles) Trinius ex Steudel?

Phragmites australisis a tall, perennial grass that can grow to heights of 15 ft. (4.6 m) or more. Broad, pointed leaves arise from thick, vertical stalks.


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


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


What is the common name of SolanumviarumDunal?


Where can I view images of european common reed, phragmites?


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


What is the common name of ElaeagnusmultifloraThunb.?


Is this plant invasive to the United States?


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


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


What is the common name of Lygodiummicrophyllum(Cav.) R. Br.?


Where can I view images of Sesbaniapunicea(Cav.) Benth.?


Describe the flowers of AgrostemmagithagoL?

Flowers are held singly at the top of a long stalk with 5 pink to purple petals. Five pointed sepals extend past the edge of the flower. It blooms through the summer.


Describe the fruit of CentaureacalcitrapaL.?

The fruit is an achene 0.08-0.16 in. (2-4 mm) long which lacks a pappus.


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


Is lombardy poplar native to the United States?


Describe the appearance of ErigeroncanadensisL.?

Erigeron canadensisis a winter or summer annual herbaceous plant in the sunflower family. The plants are erect reaching 0.5-7 ft (30-150 cm) tall. Stout angular-terete stems are usually unbranched at the base, however damage to the apical growing points can cause branching. It has a short taproot with secondary fibrous roots.


What is the scientific name of broomsedge bluestem?


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


What is the common name of AmaranthusretroflexusL.?


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


What is the common name of FicusaltissimaBlume?


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


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


Where can I view images of PoacompressaL.?


What is the scientific name of shortpod mustard?


Describe the fruit of Albizialebbeck(L.) Benth?

Flat, linear pod, to 1 ft (30 cm) long, with many seeds; dried pods persistent after leaf-fall, often heard rattling in the wind.


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


Is this plant invasive to the United States?


Is HouttuyniacordataThunb. native to the United States?


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


Where can I view images of Nymphoidespeltata(S.G. Gmel.) Kuntze?


Describe the fruit of woman's tongue tree?


Describe the flowers of AbrusprecatoriusL.?

The flowers are small, pale, and violet to pink, clustered in leaf axils.


What is the scientific name of japanese pachysandra?


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 Gastridiumphleoides(Nees & Meyen) C.E. Hubbard native to the United States?


What is the scientific name of annual sowthistle?


What is the common name of HieraciumpiloselloidesVill.?


What is the common name of Merremiatuberosa(L.) Rendle?


What is the scientific name of tussock dropseed?


Describe the flowers of Sorghumhalepense(L.) Pers.?

Flowers occur in a loose, spreading, purplish panicle.


Describe the appearance of brazilian waterweed, brazilian elodea?

Egeria densais a submersed aquatic plant that invades freshwater systems throughout much of the United States. Often confused with hydrilla,Egeria densahas a smooth midrib on the underside of the leaf, whereas hydrilla has small teeth.


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


What is the scientific name of nodding star-of-bethlehem?


Where can I view images of smallflower tamarisk?


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


Is Lespedezacuneata(Dum.-Cours.) G. Don native to the United States?


Is Salpichroaoriganifolia(Lam.) Thell. native to the United States?


Where can I view images of madagascar rubbervine?


Describe the fruit of RumexacetosellaL.?


Is this plant invasive to the United States?


What is the scientific name of japanese ardisia?


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

Prohibited (New York), Prohibited (Wisconsin)


Flowers are found on hanging panicles that can grow 11.8 in. (30 cm) long. Flowers are off white to yellow in color and less than 0.12 in. (3 mm) across.


What is the scientific name of tropical signalgrass?


Describe the fruit of Taeniatherumcaput-medusae(L.) Nevski?

The seed heads are what distinguish this plant from other annual grasses. Awns twist as they dry, hence the common name "medusahead". The longer of the two awns in each spikelet is barbed. These barbs catch on fur or clothing and spread seed.


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


What is the growth habit of large crabgrass?


Describe the flowers of DelaireaodorataLem?

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


Is carolina fanwort, fanwort native to the United States?


The fruit is a caryopsis (dry one-seeded fruit).


Describe the fruit of Koelreuteriaelegans(Seem.) A.C. Sm.?

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


Is Silenelatifoliassp. alba(Mill.) Greuter & Burdet native to the United States?


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

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


Is HeliocarpuspopayanensisKunth native to the United States?


Seed pods are fuzzy on the edges, 1-2 in. (2.5-5 cm) long, and will explode when mature forcefully expelling the seeds. The seeds are small and multi-colored, ranging from green to brown to reddish brown.


What is the growth habit of Verniciafordii(Hemsl.) Airy-Shaw?


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


Describe the fruit of CarthamuslanatusL.?

Fruit is brown, oblong, 0.16-0.24 in. (4-6 mm) long, and notched near the base. Seeds are brownish in color, narrow, and 0.4-0.5 in. (10-13 mm) long.


What is the common name of RosacinnamomeaL.?


What is the growth habit of mulberryweed?


What is the common name of TribuluscistoidesL.?


Describe the foliage of ArtemisiaabsinthiumL.?

Leaves are alternate, gray-green, 1-4 in. (2.5-10.2 cm) long and give off a strong sage-like scent when crushed. Lower leaves are divided into 2-3 segments and the upper leaves are not divided.


Is this plant invasive to the United States?


Describe the appearance of LinariavulgarisP. Mill.?

Linaria vulgarisis a perennial herb that can reach 3.3 ft. (1 m) tall with erect, smooth stems that emerge in clumps from a spreading root system.


What is the growth habit of shepherd's-purse?


Does NymphaeaodorataAit. pose any ecological threat?

Nymphaea odoratais found in ponds, lakes, and streams. It is native to all US states except Alaska, Hawaii, North Dakota, and Wyoming.Nymphaea odoratais considered an invasive exotic in California and Washington. It is becoming rare in some of its native range. Connecticut listsNymphaea odorataas a species of special concern.


Is Populusx canescens(Ait.) Sm. (pro sp.) [alba × tremula] native to the United States?


What is the growth habit of Hyparrheniarufa(Nees) Stapf?


Where can I view images of slender amaranth?


Describe the fruit of Cytisusscoparius(L.) Link?


Where can I view images of spotted spurge?


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


Where can I view images of CerastiumtomentosumL.?


What is the scientific name of clasping heliotrope?


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


What is the common name of HolcusmollisL.?


Where can I view images of russian olive?


What is the scientific name of weeping grass?


Describe the appearance of HelianthusciliarisDC.?

Helianthus ciliarisis a perennial herbaceous plant that can grow from 1.3-2.3 ft. (40-70 cm) tall. The stems are blue-green to gray-green in color and can be upright to recumbent.H. ciliarisis native to Arizona, Kansas, New Mexico, Oklahoma, Texas, Utah and Mexico.


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

Leaves are clustered in a rosette at the base of the plant. Leaves vary in length from 2-14 in. (5.1-35.6 cm) and from 0.5-3 in. (1.3-7.6 cm) wide. Margins of the leaves are deeply serrated.


Is HieraciumcanadenseMichx. native to the United States?


What is the growth habit of SherardiaarvensisL.?


Describe the foliage of yellow devil hawkweed?

Most of the leaves are basal and range from 1.5-5 in. (3.8-12.7 cm) long. The leaf blades are spatula shaped and pilose.


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


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


Is IpomoeaaquaticaForssk. native to the United States?


Is this plant invasive to the United States?

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


Describe the flowers of PhellodendronamurenseRupr.?

Flowering occurs in late spring, when bunches of small, green flowers develop.


Is Mimosapudicavar. unijuga(Duchass. & Walp.) Griseb. native to the United States?


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


Describe the foliage of OrobancheminorSmith?

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


Is TrifoliumaureumPollich native to the United States?


Flowering occurs from May-June. Panicle is from 1.2-5.1 in. (3-13 cm) long, 1.18-3.15 in. (3-8 cm) wide and pyramid shaped. It is open with long branches. The branches at the base are in clusters of 3-5. There are 3-5 flowers per spikelet held on short, slender stalks.


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


What is the growth habit of Pilosellaaurantiaca(L.) F. W. Schultz & Sch. Bip.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Hirschfeldiaincana(L.) Lagrèze-Fossat?


Is FicuscaricaL. native to the United States?


What is the scientific name of wine raspberry?


What is the scientific name of redsepal evening-primrose?


Describe the fruit of narrowleaf bittercress?

The slender siliques (a type of fruit) ripen from May to September. They are 0.6-0.8 in. (1.5-2 cm) long and there are 10-24 seeds in each of them which shoot out from the dry fruits.


Does Cenchruslongispinus(Hack.) Fern pose any ecological threat?

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


Where can I view images of RosamultifloraThunb.?


Where can I view images of smooth cat's ear?


Is chinese violet native to the United States?


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


Is this plant invasive to the United States?


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


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


Describe the flowers of DianthusarmeriaL.?

Each flower is about 0.33 in. (0.85 cm) across, consisting of 5 spreading petals, a tubular green calyx with 5 teeth, 10 stamens with pink anthers, and 2 styles. The petals are pink with small white dots. Each petal is wedge-shaped at its base, and crenate or dentate toward its outer edge.


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


Describe the foliage of eurasian watermilfoil?

Leaves are bright green, finely dissected, and whorled. The delicate leaflets give this plant a feathery appearance.


What is the scientific name of narrowleaf pepperweed?


What is the growth habit of TribulusterrestrisL.?


Describe the flowers of yellow toadflax?

Flowering occurs from May to September, when yellow/white, snapdragon-like flowers develop. Flowers, including the spur, are 0.6-1.2 in. (1.5-3 cm) long and occur in racemes at the apex of the stems.


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

Noxious (United States), Prohibited (Wisconsin)


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


Is Polygonumconvolvulusvar. subulatumLej. & Court. native to the United States?


What is the growth habit of port orford cedar?


Does creeping waterprimrose pose any ecological threat?

L. peploidesforms dense, fast-growing, floating mats that can displace native aquatic plants, wetland grasses, lower dissolved oxygen and pH of the water, reduce water quality for wildlife and increase sedimentation.


Is striated broom native to the United States?


What is the scientific name of hawk's eye?


Where can I view images of LeonuruscardiacaL.?


Where can I view images of wild bushbean?


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


What is the common name of PhalarisaquaticaL.?


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

Basal leaves are 1.6-8.7 in. (4-22 cm) long and ovate to lanceolate. Cauline leaves are oblong to lanceolate, and sessile.


What is the growth habit of CotoneasterpannosusFranch.?


Is ConiummaculatumL. native to the United States?


Is Ammophilaarenaria(L.) Link 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 wild chervil?


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


Where can I view images of twoleaf watermilfoil?


What is the growth habit of ivyleaf morning-glory?


The chief means of reproduction is by aerial potato-like tubers (bulbils) located at the leaf axils and by underground tubers.


The flowers are composites. The ray flowers are yellow while the disk flowers are reddish to purple-brown in color.


Where can I view images of PortulacaoleraceaL.?


Where can I view images of peregrine saltbush?


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


Where can I view images of crested latesummer mint?


Describe the flowers of UlexeuropaeusL.?

Flowering occurs from winter to early spring, when shiny, yellow flowers develop in the axils of the leaves. Flowers are 1.0 in. (2.5 cm) long.


Where can I view images of Epipactishelleborine(L.) Crantz?


The seed heads are what distinguish this plant from other annual grasses. Awns twist as they dry, hence the common name "medusahead". The longer of the two awns in each spikelet is barbed. These barbs catch on fur or clothing and spread seed.


What is the common name of Cuscuta(non-native)L.?


Is rabbitfoot polypogon native to the United States?


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


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

Lonicera x bellais a hybrid betweenLonicera morrowiiandLonicera tatarica. Identification of this plant is difficult because of its many intermediate characteristics.Lonicera x bellatends to be a taller plant than either of its parents, and can reach 20 ft. (6 m) in height. The young stems of this plant are hollow and are sparsely pubescent.


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


Where can I view images of Cenchruspurpureus(Schumach.) Morrone?


Is golden trumpet native to the United States?


What is the common name of CornusracemosaLam.?


Is this plant invasive to the United States?


Is african rue native to the United States?


Is DesmodiumsandwicenseE. Mey. native to the United States?


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


What is the growth habit of RosarugosaThunb.?


What is the scientific name of creeping bentgrass?


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


What is the growth habit of MirabilisjalapaL.?


Where can I view images of Rapistrumrugosum(L.) All.?


What is the common name of GaliumverumL.?


What is the scientific name of spring whitlowgrass?


Flowers are 0.79-1.2 in. (2-3 cm) long, open with 3 petals the lowest petal forming a lip, and range in color from green to whitish green or green streaked to completely purple. Blooming occurs late June to August.


What is the scientific name of purple nutsedge?


What is the common name of OenotheralaciniataHill?


What is the scientific name of tarweed cuphea?


Describe the foliage of SolanumtorvumSw.?

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


Is arizona cypress native to the United States?


What is the growth habit of Cenchrussetaceus(Forssk.) Morrone?


What is the scientific name of common horse chestnut?


Where can I view images of new zealand flax?


What is the scientific name of persian speedwell?


Describe the fruit of NicotianaglaucaGraham?

Fruits are egg-shaped, 0.28-0.39 in. (7-10 mm) long, and has two compartments. Seeds are very small and dark brown in color.


What is the growth habit of orchardgrass?


Describe the fruit of stinking chamomile?

A. cotulafruits are achenes approximately 0.05 - 0.07 in. (1.2 - 1.8 mm) long.


Where can I view images of HederahelixL.?


Where can I view images of DioscoreabulbiferaL.?


Is EuphorbiacyparissiasL. native to the United States?


What is the growth habit of DianthusarmeriaL.?


What is the invasive/noxious status of dog-strangling vine, european swallowwort and where is it classified as such?

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


Is this plant invasive to the United States?


What is the scientific name of callery pear (bradford pear)?


What is the growth habit of umbrella plant?


Does australian saltbush pose any ecological threat?

Atriplex semibaccatacan be found along roads, in marshes, and waste places. It is native to Australia.


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


Is seashore paspalum native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Rytidospermabiannulare(Zotov) Connor & Edgar?


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


What is the common name of PrunuslaurocerasusL.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Citrusx sinensis(L.) Osbeck (pro sp.) [maxima × reticulata]?


What is the common name of Petroselinumcrispum(P. Mill.) Nyman ex A.W. Hill?


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


Does yellow nutsedge pose any ecological threat?

Cyperus esculentusis widespread and varies morphologically. Four varieties are recognized. It can be aggressive, with the tubers persisting even when the plant is pulled up by the roots.Cyperus esculentuscan form dense stands especially in disturbed wetlands.


Is aaron's beard native to the United States?


What is the growth habit of giant hogweed?


Describe the fruit of HelichrysumpetiolareHilliard & Burtt?

The fruits are achenes (A small dry fruit containing a single seed).


Is Schismusbarbatus(Loefl. ex L.) Thellung native to the United States?


Is this plant invasive to the United States?


Where can I view images of VerbascumblattariaL.?


Is west indian dropseed native to the United States?


Describe the appearance of Landoltiapunctata(G.F.W. Mey.) D.H. Les & D.J. Crawford?

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


Does PaederiafoetidaL. pose any ecological threat?

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


What is the growth habit of japanese sedge?


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

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


Is common filbert native to the United States?


Describe the flowers of GeraniumlucidumL.?

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


What is the common name of MarrubiumvulgareL.?


Describe the foliage of morrow's honeysuckle?

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.


What is the U.S. Department of Agriculture (USDA) plant symbol for Mosladianthera(Buch.-Ham. ex Roxb.) Maxim.?


Does CarduustenuiflorusW. Curtis pose any ecological threat?

Carduus tenuiflorusinvades pastures, old fields, vacant lots, and other disturbed areas. Its presence reduces the forage productivity of pastures. It is native to Europe and was recognized as a serious invader in the western United States as early as 1956.


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 Polycarpontetraphyllum(L.) L.?


What is the common name of EgeriadensaPlanch.?


Describe the foliage of CardiospermumhalicacabumL.?

The compound leaves have large teeth and lobes on the leaflets that can reach 4 in. (10 cm) long.


Where can I view images of giant ragweed?


Is AcaciaconfusaMerr native to the United States?


Where can I view images of ChamaedoreaseifriziiBurret?


Is RubusillecebrosusFocke native to the United States?


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

Rosette leaves are oblong to lanceolate, 2-6 in. (5.1-15.2 cm) long and up to 1.25 in. (3.2 cm) wide. Rosette leaves narrow to a short petiole. Leaves that occur on the flowering stem are also oblong to lanceolate but do not have petioles. All leaves have white 'speckles' that give the leaves a dimpled appearance and also have relatively long white hairs.


What is the common name of VeronicahederifoliaL.?


Is parrotfeather native to the United States?


What is the common name of CaraganaarborescensLam.?


What is the growth habit of BuddlejadavidiiFranch.?


Describe the fruit of FoeniculumvulgareP. Mill.?

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


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


Where can I view images of ButomusumbellatusL.?


What is the scientific name of european beachgrass?


What is the growth habit of CaricapapayaL.?


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


Where can I view images of ThlaspiarvenseL.?


Describe the appearance of creeping waterprimrose?

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


Where can I view images of LysimachianummulariaL.?


Is Conicosiapugioniformis(L.) N.E. Br native to the United States?


Describe the appearance of QuercusroburL.?

Quercus roburhas a wide spreading crown, short sturdy trunk, and deeply fissured gray brown bark. It can grow to 140 ft (42.7 m) tall with a rounded spread of 80 ft (24.4 m) or more, but is usually smaller in cultivation. It is native to Asia and Europe.


What is the growth habit of hawkweed oxtongue?


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

Linaria dalmaticais a short-lived, perennial herb that can grow 3.9 ft. (1.2 m) tall. The overall form of the plant is narrow and upright, with multiple stems growing from a single woody base.


Is this plant invasive to the United States?


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


Is Setariapalmifolia(Koenig) Stapf native to the United States?


Where can I view images of jointed goatgrass?


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


The fragrant flowers are 0.5-0.6 in. (1.2-1.5 cm) wide, silvery outside and yellow within. There are 1-3 flowers within the leaf axils. They appear in May to June.


What is the scientific name of australian saltbush?


Is Rytidospermapenicillatum(Labill.) Connor & Edgar native to the United States?


Describe the appearance of callery pear (bradford pear)?

Bradford pear is a cultivar ofPyrus calleryana. It is a deciduous tree that can grow up to 60 ft. (18 m) in height and 2 ft. (0.6 m) in diameter.


Lamium amplexicauleis is a cool season annual weed in the mint family (Lamiaceae). It has square stems that reach 6-15 in. in height. Unlike many plants in the mint family, henbit does not have a strong or distinctive odor. Henbit has a fibrous root system.


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


Describe the fruit of BromusinermisLeyss.?

Seeds are brown and are produced in 4-8 in. (10.2-20.3 cm) long panicles on ascending branches of the flower head. The seed period occurs in summer.


What is the growth habit of AnthemiscotulaL?


What is the growth habit of february daphne?


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


What is the scientific name of ladysthumb?


What is the common name of Macfadyenaunguis-cati(L.) A.H. Gentry?


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


Where can I view images of CalophylluminophyllumL.?


What is the growth habit of DactylisglomerataL.?


Describe the fruit of Vincetoxicumnigrum(L.) Moench?

Fruit are pods, similar to milkweed pods, which 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 wind. Plants have rhizomes that sprout new plants.


Is this plant invasive to the United States?


Is tall buttercup native to the United States?


Is RumexacetosellaL. native to the United States?


Where can I view images of HieraciumcaespitosumDumort.?


What is the growth habit of garden spurge?


What is the scientific name of garden loosestrife?


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


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


What is the growth habit of clasping pepperweed?


Where can I view images of Petrorhagiadubia(Raf.) G. López & Romo?


Is small broomrape native to the United States?


Describe the appearance of PhyllanthusurinariaL.?

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


What is the growth habit of Actinidiaarguta(Siebold & Zucc.) Planch. ex Miq.?


Is sulfur cinquefoil native to the United States?


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

Category 2 (Alabama), Invasive (North Carolina)


Describe the appearance of Vitexagnus-castusL.?

Vitex agnus-castusis a sprawling shrub that grows from 10-20 ft. (3-6 m) and about as wide.


What is the growth habit of Dysphaniaambrosioides(L.) Mosyakin & Clemants?


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


Is Malusprunifolia(Willd.) Borkh. native to the United States?


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


Is this plant invasive to the United States?


Is slender snakecotton native to the United States?


Where can I view images of Broussonetiapapyrifera(L.) L'Hér. ex Vent.?


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


Describe the appearance of Euonymusfortunei(Turcz.) Hand.-Maz.?

Euonymus fortuneiis an evergreen perennial vine that was introduced as an ornamental groundcover. It is native to China, Japan, and Korea.


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


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 PaederiafoetidaL. native to the United States?


Flower heads are 2-8 in. (5.1-20.3 cm) long, silvery-white and cylindrical.


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


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


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


Is AbrusprecatoriusL. native to the United States?


What is the common name of UlmusparvifoliaJacq.?


Describe the foliage of BerberisvulgarisL?

The leaves are oval, 0.75-2 in. (2-5 cm) long, 0.25-0.75 in. (1-2 cm) wide, serrate and occur in clusters of 2-5. Each cluster of leaves is subtended by a short, three-branched spine.


What is the scientific name of slender meadow foxtail?


Is southern brassbuttons native to the United States?


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


Is laurustinus native to the United States?


What is the common name of Euonymusfortunei(Turcz.) Hand.-Maz.?


Where can I view images of Toxicodendronradicans(L.)Kuntze?


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


Is this plant invasive to the United States?


What is the common name of Photiniavillosa(Thunb.) DC.?


Is MyosotissylvaticaEhrh. ex Hoffmann native to the United States?


Where can I view images of Rottboelliacochinchinensis(Lour.) W.D. Clayton?


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

Category 1 (Alabama), Class C (Alabama), Potentially Invasive (Connecticut), Prohibited (Wisconsin), Regulated (Minnesota), Watch List (Michigan)


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


Describe the foliage of PersicariawallichiiGreuter & Burdet?

Leaves are alternate or basal, oval to lanceolate in shape, moderately hairy, and 3.9-7.9 in. (10-20 cm) long with heart shaped bases and pointed tips.


Describe the fruit of LigustrumsinenseLour.?

The abundant fruits are spherical and 0.3-0.5 in. (1-1.3 cm) long. Fruit begins green, ripens to dark purple to black, and persists into winter. Birds and other wildlife eat the fruit and disperse the seeds. Seed soil viability is about one year. The plant also colonizes by root sprouts.


Does Paulowniatomentosa(Thunb.) Sieb. & Zucc. ex Steud. pose any ecological threat?

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


Describe the fruit of PaederiafoetidaL.?

Fruit are nearly-round, shiny, brown and up to 0.3 in. (0.7 cm) wide.


What is the growth habit of pride of madeira?


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


Is JacobaeavulgarisGaertn. native to the United States?


Leaves are thick, 3-8 in. (7.6-20.3 cm) long, oblong, pointed at the tip, alternate, and are darker green on top and paler green on the underside.


What is the growth habit of ArctiumlappaL.?


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


Is bigleaf mint native to the United States?


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


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


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


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


What is the scientific name of birdsrape mustard?


Is cherokee rose native to the United States?


What is the scientific name of colombian bluestem?


Is this plant invasive to the United States?


What is the growth habit of shrubby lespedeza?


Where can I view images of hairy galinsoga?


What is the scientific name of black bamboo?


What is the common name of Glebioniscoronaria(L.) Tzvelev?


Is BromusrubensL. native to the United States?


Is rat-tail grass native to the United States?


Describe the appearance of meadow hawkweed?

Hieracium caespitosumis a perennial plant in the sunflower family. It grows from 1-3 ft. (0.3-0.9 m) tall and produces a milky sap when crushed.


What is the scientific name of bladder senna?


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


Where can I view images of GaliumaparineL.?


Describe the foliage of PlantagomajorL.?

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


What is the growth habit of hierba del soldado?


What is the scientific name of peacocksplume?

Falcatariamoluccana(Miquel) Barneby & Grimes


What is the growth habit of dotted duckmeat?


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


What is the growth habit of Dactylocteniumaegyptium(L.) Willd?


Does oxeye daisy pose any ecological threat?

Leucanthemum vulgareis native to Europe and was introduced into the United States as an ornamental in the 1800s. The plants have been shown to carry several crop diseases. It can thrive in a wide variety of soil types and can grow in sun to partial shade.


What is the common name of Polygonumcespitosumvar. cespitosumBlume?


Where can I view images of tussock paspalum?


What is the scientific name of knapweeds?


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


Is HibiscussyriacusL. native to the United States?


Is this plant invasive to the United States?


Is corn cockle native to the United States?


Where can I view images of DaphnelaureolaL.?


Describe the appearance of common chickweed?

Stellaria pallidais an annual, low-growing herb native to Europe. Stems are decumbent, to 19.7 in. (50 cm) long with a longitudinal line of hairs.


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

Category 2 (Alabama), Invasive (DOC) (Missouri), Invasive (North Carolina), Tier 2 (Maryland)


What is the scientific name of crossleaf heath?


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


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


Where can I view images of chameleon-plant?


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

The flowers are held in a spike inflorescence. It is formed by clusters of inconspicuous, green, petal-less, stalkless flowers that grow in the axils of reduced leaves. Flowers bloom from July through October.


Describe the flowers of birdsfoot trefoil?

Flowers develop in clusters of 2-8 on a long peduncle (stalk).


Is RosacaninaL. native to the United States?


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


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


Is Helminthothecaechioides(L.) Holub native to the United States?


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


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


Is purpleosier willow native to the United States?


What is the common name of Tetradiumdaniellii(Benn.) T.G. Hartley?


Does common cattail pose any ecological threat?

Typha latifoliacan be found in areas where the soil remains wet or even flooded for the entire growing season. It is native to all U.S, states except Hawaii.


Is this plant invasive to the United States?


Leaves are somewhat rounded. Leaves have tiny hairs on them. Most of the plant’s leaves begin to drop when the flowers begin to bloom.


Describe the flowers of japanese chaff flower?

The small flowers have no petals and are clustered tightly on the inflorescence which occur at the ends of the stems and upper branches. They flower in summer.


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


What is the scientific name of watermilfoil?


Is barbwire russian-thistle native to the United States?


What is the scientific name of cane fruit (blackberry, raspberry)?


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

Vincetoxicum rossicumis an herbaceous, twining, long-lived perennial vine. The vines can reach 5 ft. (1.5 m) in length.


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


What is the growth habit of Bromusdiandrusvar. rigidus(Roth) Sales?


Is european centaury native to the United States?


What is the common name of MaytenusboariaMolina?


What is the common name of Jacquemontiatamnifolia(L.) Griseb.?


Describe the flowers of RubuslaciniatusWilld.?

Flowers are white to dark pink with 5, 0.8-1 in. (2-2.5 cm) long, petals. Stamens are white-pink and the pistils are greenish pink. Flowering occurs from June to July.


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


Is ragweed parthenium native to the United States?


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


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


What is the scientific name of east indian crabgrass?

DigitariasetigeraRoth ex Roemer & J.A. Schultes


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


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


Is Sesbaniapunicea(Cav.) Benth. native to the United States?


Is PhalarisminorRetz. native to the United States?


Where can I view images of doublefile viburnum?


Is this plant invasive to the United States?


What is the scientific name of border privet?


What is the growth habit of DelaireaodorataLem?


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


Where can I view images of PhalariscanariensisL.?


Where can I view images of elmleaf blackberry?


Does chinese tallowtree pose any ecological threat?

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


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


Is Oxycaryumcubense(Poepp. & Kunth) Lye native to the United States?


Where can I view images of LythrumhyssopifoliaL.?


What is the growth habit of french broom?


Describe the appearance of EuphorbiaesulaL.?

Euphorbia esulais an erect, perennial, herbaceous plant that grows from 2-3.5 ft. (0.6-1.1 m) tall. The stem is smooth and bluish-green. The plant produces a milky sap if stem is broken or a leaf is removed.


What is the growth habit of Elaeagnusumbellatavar. parvifolia(Wall. ex Royle) C.K. Schneid.?


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

Prohibited (New York), Tier 2 (Maryland)


Describe the foliage of HeracleummantegazzianumSommier & Levier?

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


Does smooth bedstraw pose any ecological threat?

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


What is the growth habit of Jacquemontiatamnifolia(L.) Griseb.?


What is the growth habit of HypericumperforatumL.?


Where can I view images of Citrustrifoliata(L.) Raf.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Cyatheacooperi(Hook. ex F. Muell.) Domin?


Is this plant invasive to the United States?


Describe the flowers of spotted knapweed?

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.


Describe the appearance of twoleaf watermilfoil?

Myriophyllum heterophyllumis a perennial, aquatic herb that has leaves of two noticeably different forms.


Describe the fruit of Melaleucaquinquenervia(Cav.) Blake?

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


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


What is the scientific name of oriental trema?


What is the growth habit of Broussonetiapapyrifera(L.) L'Hér. ex Vent.?


Is DipsacuslaciniatusL. native to the United States?


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


What is the common name of HaematoxylumcampechianumL.?


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


What is the growth habit of southern catalpa?


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


Is true forget-me-not native to the United States?


What is the scientific name of hairy willowherb?


What is the common name of AdiantumraddianumK. Presl?


Where can I view images of tansy ragwort?


Describe the fruit of CaraganaarborescensLam.?

Seed pods are slender, sharply pointed, smooth, and 1-2 in. (2.5-5 cm) long forming in late June. Color changes from green to tan in July and August.


What is the growth habit of EuphorbiapeplusL.?


Is this plant invasive to the United States?


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


Where can I view images of common water hyacinth?


What is the growth habit of slender false garlic?


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


What is the common name of Bruguierasexangula(Lour.) Poir.?


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


What is the scientific name of jeffrey pine?


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


What is the growth habit of chinese parasoltree?


Describe the flowers of ElaeagnusumbellataThunb.?

Small, yellowish tubular flowers are abundant and occur in clusters of 5 to 10 near the stems from February to June.


Is Nymphoidescristata(Roxb.) O. Ktze. native to the United States?


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


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 Phoenixcanariensishort. ex Chabaud?


What is the common name of EhrhartaerectaLam.?


Is LobeliachinensisLour. native to the United States?


Where can I view images of japanese spiraea?


Does TanacetumvulgareL. pose any ecological threat?

T. vulgareinvades disturbed areas, ditch banks and riparian areas. It is native to temperate Asia and Europe.T. vulgarecan be toxic if animals or people ingest large amounts of it.


Where can I view images of perennial soybean?


Is this plant invasive to the United States?


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


What is the common name of BerberisvulgarisL?


What is the growth habit of bristly oxtongue?


Describe the fruit of longspine sandbur?

Fruits are contained in the spiny burs held along the terminal panicle. Each bur is somewhat hairy and is approximately 0.2-0.3 in. (5-7 mm) wide.


What is the growth habit of Dittrichiagraveolens(L.) W. Greuter?


Describe the appearance of chinese wisteria?

Wisteria sinensisis a deciduous woody vine capable of growing to a height of 40 ft. (12.2 m). Stems can be up to 10 in. (25.4 cm) in diameter with smooth, gray-brown bark. When looking down on the vine, it twines in a counter clockwise direction around the host.


Does myrtle spurge pose any ecological threat?

Euphorbia myrsinitescan be found in disturbed areas and waste places. It is native to southern Europe and central Asia. Be aware, this plant can cause skin and eye irritation and is toxic if consumed.


What is the common name of Chenopodiumambrosioidesvar. ambrosioidesL.?


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


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


What is the growth habit of CrepistectorumL.?


Where can I view images of HesperismatronalisL.?


Describe the foliage of glossy buckthorn?

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


What is the growth habit of Depariapetersenii(Kunze) M. Kato?


Is elecampane native to the United States?


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


Describe the appearance of LonicerajaponicaThunb.?

Lonicera japonicais a woody perennial, evergreen to semi-evergreen vine that can be found either trailing or climbing to over 80 ft. (24 m) in length. Young stems may be pubescent while older stems are glabrous.


Does jetbead pose any ecological threat?

Rhodotypos scandensinvades forested areas creating a thick shrub layer which could displace native shrubs, shade out understory species and restrict tree seedling establishment.Rhodotypos scandensis native to eastern Asia and was first introduced into the United States in 1866 as an ornamental.


Where can I view images of EchiumvulgareL.?


Describe the appearance of black locust?

Robinia pseudoacaciais a deciduous tree that, while native to parts of the United States, has spread to and become invasive in other parts of the country. Trees grow from 40-100 ft. (12-30 m) in height. Trees grow upright in forests, but develop an open growth form in more open areas. The bark of black locust is light brown, rough, and becomes very furrowed with age.


What is the common name of Caesalpiniadecapetala(Roth) Alston?


Where can I view images of Cordylineaustralis(G. Forst.) Endl.?


Where can I view images of chamber bitter?


Describe the flowers of AcerginnalaMaxim.?

The yellow-white flowers appear from May-June, after the tree has leafed out, and are borne in long-peduncled panicles. These flowers, unlike those of most maples, are fragrant.


Where can I view images of Dittrichiagraveolens(L.) W. Greuter?


Is porcelain-berry native to the United States?


Is cotoneaster native to the United States?


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


What is the scientific name of star-of-bethlehem?


What is the scientific name of spotted spurge?


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

The sporangia produces spores leading to the development of gametophytes. The gametophytes are usually small, and difficult to spot.


Where can I view images of GaliummollugoL.?


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


Where can I view images of ToonaciliataRoemer?


Where can I view images of AcaciaauriculiformisA. Cunningham ex Benth.?


Describe the flowers of slender russian thistle?

Flowers are small, green-white or pink in color.


Is this plant invasive to the United States?


What is the scientific name of giant sensitiveplant?


Does creeping yellow loosestrife, creeping jenny pose any ecological threat?

Lysimachia nummulariacan be found in a variety of different habitat types; however, it grows most vigorously and poses the biggest threat in moist areas such as wet meadows, swamps, floodplain forests, stream banks, bottoms, ditches, roadsides and along the banks of small water bodies. It can form a mat-like growth capable of excluding more desirable native plant species. It is now found across the United States and Canada.


Describe the fruit of LeucojumaestivumL.?

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


What is the invasive/noxious status of curly leaf pondweed and where is it classified as such?

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


What is the scientific name of water primrose?

Ludwigiagrandiflorassp. hexapetala(Hook. & Arn.) Nesom & Kartesz


What is the common name of Loniceramaackii(Rupr.) Herder?


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

Category 1 (Alabama), Invasive (North Carolina)


Is AesculusglabraWilld. native to the United States?


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


What is the common name of Lophostemonconfertus(R. Br.) P.G. Wilson & Waterhouse?


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 creeping buttercup?


B. scopariawas probably introduced as an ornamental plant in the 1800's. It can tolerate a wide range of soils, temperatures and moisture conditions. When it matures the stem breaks off close to the base and becomes a tumbleweed which helps disperse the seed.B. scopariacan be found infesting roadsides, fields, crop fields, ditch banks, seasonal wetlands and other disturbed habitats.


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


Fruits are 0.2 in. (0.5 cm) wide, dark purple to black berries (drupes) that persist into winter.


Is RubusidaeusL. native to the United States?


Fruits are also produced in a panicle. Seeds form in the sessile spikelets.


Is swampmahogany native to the United States?


Where can I view images of EmiliafosbergiiD.H. Nicols.?


Is Viciasepiumvar. sepiumL. native to the United States?


Describe the appearance of english holly?

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


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


Does yellow starthistle pose any ecological threat?

Centaurea solstitialisinvades woodlands, fields, pastures and roadsides.


What is the common name of RobiniapseudoacaciaL.?


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


What is the growth habit of GalinsogaquadriradiataCav?


Describe the appearance of Hyacinthoideshispanica(Mill.) Rothm.?

Hyacinthoides hispanicais a perennial herb that can grow from 7.9 to 15.7 in. (20-40 cm) tall.


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


Describe the foliage of japanese honeysuckle?

Leaves are opposite, pubescent, oval and 1-2.5 in. (2.5-6.4 cm) long. Margins are usually entire but young leaves may be lobed or toothed.


Is amphibious yellowcress native to the United States?


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


Does french tamarisk pose any ecological threat?

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


Does LonicerastandishiiJacques pose any ecological threat?

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


What is the invasive/noxious status of Murdanniakeisak(Hassk.) Hand.-Maz. and where is it classified as such?

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


Where can I view images of australian-pine?


Fruits are 0.04-0.06 in. (1-1.5 cm) long with 0.12-0.24 in. (3-6 mm) terminal segments. Seeds are 0.04-0.06 in. (1-1.5 mm) in diameter, brown, and ovoid to subglobose.


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


Does Hieraciumx floribundumWimmer & Grab. [caespitosum x lactucella] pose any ecological threat?

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


Is cultivated knotweed native to the United States?


What is the growth habit of Phoenixcanariensishort. ex Chabaud?


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


Is Murdanniakeisak(Hassk.) Hand.-Maz. native to the United States?


Where can I view images of MyosotissylvaticaEhrh. ex Hoffmann?


Where can I view images of corkscrew willow?


Where can I view images of Viciasativassp. nigra(L.) Ehrh.?


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


What is the common name of AntigononleptopusHook. & Arn.?


Describe the foliage of RanunculusrepensL.?

Leaves are 3-parted; terminal division is stalked; divisions are broadly ovate to subrotund; also cleft or lobed; often having sharp teeth along the margins; apex of leaves is obtuse to acuminate; leaves measure 0.4-3.3 in. (1-8.5 cm) long and 0.6-4 in. (1.5-10 cm) wide; petioles are long and pubescent, measuring 0.5-10 in. (1.25-25 cm).


What is the common name of RumexobtusifoliusL.?


Is this plant invasive to the United States?


Is twolobe speedwell native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Dysphaniapumilio(R. Br.) Mosyakin & Clemants?