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


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


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


Leaves are alternate, clasping, dark green, 1.6-7.1 in. (4-18 cm) long, elliptic to lance shaped, and hairy. Flowering stem is green to purplish and usually short hairy.


Is green kyllinga 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.


Is common bugloss native to the United States?


Is AlyssumcorsicumDuby native to the United States?


What is the common name of PolygonumlapathifoliumL.?


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


Does CentaureamelitensisL. pose any ecological threat?

Centaurea melitensisprefers disturbed areas such as grasslands, open woodlands, roadsides, fields, and pastures. It is native to Europe and North America.


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


The small, elliptical, leaves are from 0.8-2 in. long, to 0.5-1 in. wide. The lea margins are single-toothed with a few double-toothed. The leaf base is unequal.


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


Describe the appearance of halogeton, saltlover?

Halogeton glomeratusis a 2-17.7 in. (5-45 cm) tall, annual herb. The stems are often curved at the base and tinged reddish or purple.


Where can I view images of GeraniumrobertianumL.?


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


What is the growth habit of Prosopispallida(Humb. & Bonpl. ex Willd.) Kunth?


What is the common name of CenchrusechinatusL.?


Is PanicumantidotaleRetz. native to the United States?


Does LinariavulgarisP. Mill. pose any ecological threat?

Linaria vulgarisoccurs in fields, pastures, roadsides, undisturbed prairies and rangelands. It is native to Europe and was introduced into North America, as an ornamental, in the mid 1600s.


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


Where can I view images of buttercup oxalis?


Is Centaureastoebessp. micranthos(Gugler) Hayek native to the United States?


Is european red raspberry native to the United States?


Describe the foliage of fivestamen tamarisk?

Leaves are small, scale-like, gray-green in color, and overlap along the stem. The bark is smooth and reddish on younger plants, turning brown and furrowed with age.


Describe the flowers of LoniceraxylosteumL.?

Flowering occurs in May when white flowers develop in pairs in the axils of the leaves.


Does saltmeadow cordgrass pose any ecological threat?

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


Describe the appearance of ConvallariamajalisL.?

Convallaria majalisis a perennial herbaceous rhizomatous plant that grows up to 12 in (30 cm) tall. It is native to Asia and Europe. Some sources list it as nonnative to North America and others list it as native.


Is Ligustrumspp.L. native to the United States?


Is swollen fingergrass 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 Kalanchoepinnata(Lam.) Pers.?


Does barb goatgrass pose any ecological threat?

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


Is hispanic hyacinthoides native to the United States?


Where can I view images of Alternantheraphiloxeroides(Mart.) Griseb.?


Leaves are round to arrow-shaped, 1-2.25 in. (2.5-5.7 cm) long, and alternate.


Describe the foliage of common st. johnswort?

Leaves are opposite, sessile, elliptic, 0.4-1.2 in. (1-3 cm) long and dotted with many pellucid glands.


What is the growth habit of RubusidaeusL.?


What is the growth habit of BryoniaalbaL.?


What is the scientific name of european mountain-ash?


Does common mullein pose any ecological threat?

Once established it grows quickly to form a dense ground cover. It can overtake and displace native species. At the high densities, it appears to prevent establishment of native herbs and grasses following fires or other disturbances.Verbascum thapsusoccurs in areas with an average annual precipitation of 20-60 in. (0.5-1.5 m) and a 140-day growing season. It prefers well-drained soils with pH 6.5 to 7.8. It prefers dry sandy soils but can grow in chalk and limestone. It can be found in neglected meadows, forest openings, pastures, fence rows, roadsides, and industrial areas.


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


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


What is the scientific name of crested latesummer mint?


Is Salixx sepulcralisSimonkai [alba × babylonica] native to the United States?


Is clammy goosefoot native to the United States?


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


Is miniature flatsedge native to the United States?


What is the scientific name of javanese bishopwood?


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


What is the scientific name of cornflower?


Describe the flowers of peruvian peppertree?

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.


Is algerian ivy native to the United States?


What is the scientific name of bigtooth aspen?


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


Does lily of the valley vine pose any ecological threat?

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


Where can I view images of IsatistinctoriaL.?


Describe the fruit of GaleopsistetrahitL.?

The egg-shaped seeds are mottled and grayish brown.


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


Describe the fruit of ArtemisiavulgarisL.?

The fruits develop and mature from August to October and are obovate or ovate achenes.


What is the common name of BrizamaximaL.?


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


Is this plant invasive to the United States?

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


What is the growth habit of Ampelopsisglandulosavar. brevipedunculata(Maxim.) Momiy.?


What is the scientific name of silver wattle?


What is the common name of Eleutherococcussieboldianus(Makino.) Koidz.?


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


What is the scientific name of japanese snowball?


Where can I view images of woodland bittercress?


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


Does goutweed pose any ecological threat?

Digging up this plant can often be counterproductive as fragmentation of the root system stimulates reproduction via the stolons. The non-variagated form is particularly aggressive.


Is asian melastome native to the United States?


What is the growth habit of Phragmitesaustralisssp. australis(Cavanilles) Trinius ex Steudel?


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

Category 1 (Alabama), Invasive (North Carolina)


Does spotted deadnettle pose any ecological threat?

Lamium maculatumcan form a dense mound that overtakes ground area. It is native to Eurasia.


What is the common name of GnaphaliumuliginosumL.?


Is Muscaribotryoides(L.) P. Mill. native to the United States?


Describe the foliage of UlmusparvifoliaJacq.?

The small, elliptical, leaves are from 0.8-2 in. long, to 0.5-1 in. wide. The lea margins are single-toothed with a few double-toothed. The leaf base is unequal.


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


What is the growth habit of PolygonumaviculareL.?


What is the scientific name of yellow toadflax?


Is this plant invasive to the United States?


Where can I view images of Salpichroaoriganifolia(Lam.) Thell.?


Neyraudia reynaudianais a perennial, bunch grass that can grow to 10 ft. (3 m) tall.


Describe the flowers of strawberry guava?

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


Is Viburnumopulusssp. opulusLinnaeus native to the United States?


What is the growth habit of SalixalbaL.?


Fruits (1-2 in. [2.5-5.1 cm] long, 1-1.5 in. [2.5-3.8 cm] wide) are egg-shaped capsules, divided into 4 inner compartments that contain the seeds. Fruits are light green in the summer, becoming dark brown in the winter, and persist in clusters on the tree until the following spring. The capsules split in half during late winter to release up to 2000 tiny winged, wind-borne seeds 0.08-0.12 in. (2-3 mm).


Is SolanumdulcamaraL. native to the United States?


The leaves ofT. vulgareare alternate and sessile or with a short-stalked. The leaves are highly divided and dotted with small glands.


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


Is french tamarisk native to the United States?


What is the scientific name of monkeygrass?


What is the growth habit of Nephrolepisbrownii(Desv.) Hovenkamp & Miyam.?


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


What is the growth habit of european birch?


Describe the fruit of wetland nightshade?

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


Describe the flowers of BrassicatournefortiiGouan?

The flowers have 4 light yellow petals, are 0.25 in. (0.6 cm) across, and are clustered in groups of 6 to 20 flowers. The blooming period occurs from February to April.


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


Is SalsolacollinaPallas native to the United States?


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


What is the scientific name of southern sandbur?


What is the scientific name of blue lettuce?


What is the common name of BromustectorumL.?


Where can I view images of glossy buckthorn?


Is this plant invasive to the United States?


Is Persicariaglabra(Willd.) M. Gómez native to the United States?


Where can I view images of EchiumplantagineumL.?


What is the common name of RhamnusalaternusL.?


Describe the fruit of Rottboelliacochinchinensis(Lour.) W.D. Clayton?

Under favorable conditions,Rottboellia cochinchinensisstarts producing seeds 6-7 weeks after emergence. Seed production continues throughout the growing season.


Describe the foliage of bohemian knotweed, hybrid japanese knotweed?

Stems are usually erect, clustered, and glabrous. Leaves are ovate, base is truncate to cordate, entire margins, and acute tips.


What is the scientific name of seashore paspalum?


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


What is the growth habit of redhot poker?


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


Describe the flowers of HedychiumgardnerianumShepard ex Ker-Gawl.?

Hedychium gardnerianumhas huge inflorescences that contains bright yellow blooms with red-orange stamens. It has a delicate fragrance. Flowering will occur from July to October.


Where can I view images of SeneciosylvaticusL.?


What is the growth habit of american evergreen?


Is GypsophilascorzonerifoliaSer. native to the United States?


Does european cranberrybush pose any ecological threat?

Viburnum opulusis reported in Ontario, British Columbia, Alberta, Saskatchewan, Manitoba, Quebec and Newfoundland. In the United States it is reported from Washington east to Maine and as far south as Missouri and Virginia. It poses an ecological threat by competing with native plants for habitat and resources. It can be found in swamps, bogs, stream banks, open woodlands, forest edges, hedgerows and thickets. It grows in both heavy clay and acidic soil.


What is the common name of CarexkobomugiOhwi?


What is the scientific name of floating bladderwort?


Is tussock paspalum native to the United States?


Is cereal rye native to the United States?


Is Rosax damascenaP. Mill. [gallica × moschata] native to the United States?


Is Froelichiagracilis(Hook.) Moq. native to the United States?


Flowers are sessile and surround the stem in the leaf axils. Flowers are tubular flower with a white to pink corolla and long white hairs. There are usually purple dots on the lower lip and near the throat of the corolla. Flowers bloom for about 2 months during the summer.


Describe the flowers of Bothriochloaischaemum(L.) Keng?

The inflorescence ofB. ischaemumis a terminal, subdigitate panicle that is purplish in color and has 2 to 10 racemes that are 1-3.5 in. (2.5-9 cm) long. Spikelets are in pairs with one sessile and perfect and the other pedicellate and sterile. The perfect flower is 0.12-0.18 in. (3-4.6 mm) long and ovate. The blooming period occurs in mid summer.


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


Does crested floating heart pose any ecological threat?

Nymphoides cristatawas first introduced to the U.S. as a water garden plant. Fragments of the plant are spread by wind, flowing water, boats, and trailers. Infestations ofNymphoides cristatawere first observed in cypress swamps and water management canals in southeast Florida in the late 1990s. Within a few years, large canals and suburban lakes in the central and eastern parts of the state had become infested. There is serious concern about this plant because herbicides that control other floating and emergent invasive plants have had little effect on it. Similar natives are Big Floating Heart (N. aquatica), Little Floating Heart (N. cordata), and Water Snowflake (N. indica).Nymphoides cristatais still being sold in the water garden trade.


What is the common name of SeneciosylvaticusL.?


Is white spanishbroom native to the United States?


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


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


What is the growth habit of basketplant?


What is the invasive/noxious status of Loniceramaackii(Rupr.) Herder and where is it classified as such?

Category 2 (Alabama), Invasive (Delaware), Invasive (DOC, IPC) (Missouri), Invasive (North Carolina), Invasive, Prohibited (Connecticut), Prohibited (New York), Prohibited/Restricted (Wisconsin), Tier 1 (Maryland)


What is the growth habit of black medic?


Describe the flowers of common chickweed?

Flowering occurs in early spring when small, white flowers develop in the leaf axils or in terminal clusters. Flowers have 5 cleft petals, therefore appearing that there are 10.


What is the common name of Bromusinermisssp. inermis var. inermisLeyss.?


Where can I view images of norway spruce?


Leaves on the stem that are not associated with flowers have petioles. Upper leaves have no petioles and occur just below flower clusters. Both types of leaves are somewhat rounded, coarsely toothed, and occur in pairs on opposite sides of the stem.


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


What is the common name of CitharexylumcaudatumL.?


Is Stenotaphrumsecundatum(Walt.) Kuntze native to the United States?


Where can I view images of cootamundra wattle?


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


Where can I view images of Verniciafordii(Hemsl.) Airy-Shaw?


Is Ranunculusficariavar. bulbiferaMarsden-Jones native to the United States?


What is the growth habit of bigtooth aspen?


Is KalanchoedelagoensisEcklon & Zeyh. native to the United States?


What is the common name of LoniceraetruscaSanti?


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


What is the common name of UlmuspumilaL.?


What is the growth habit of EhrhartacalycinaSm.?


Describe the fruit of HieraciumcaespitosumDumort.?

25-30 seeds can be found on one fruit and have fine white bristles which aid in wind dispersal. The plant can spread by seed, stolon, and rhizome.


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


What is the scientific name of canarygrass?


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


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

Leaves are linear, flat, slightly hairy on the top, glabrous (no hairs) underneath, 8-39 in. (20-100 cm) long and 0.3-1 in. (8-25 mm) wide. Leaf sheaths are marked by a collar of hairs and a hairy ligule.


Does birdsfoot trefoil pose any ecological threat?

Lotus corniculatusis native to Eurasia and North Africa and occurs in pastures, roadsides, wetlands, disturbed grasslands and riparian areas.


What is the growth habit of buffelgrass?


Fruits are flat, circular and 0.5 in. (1.3 cm) wide and each contains a single seed.


Where can I view images of Centellaasiatica(L.) Urban?


Describe the appearance of tungoil tree?

Vernicia fordiiis a deciduous tree that is up to 66 ft. (20 m) tall and has milky white sap.


What is the growth habit of border privet?


What is the scientific name of crack willow?


Describe the appearance of AlliumvinealeL.?

Allium vinealeis a perennial plant that originates from a bulb. Plants range from 11-35 in. (30-90 cm) in height.


Is chinese fir native to the United States?


Where can I view images of bloodflower milkweed?


Cayratia japonicais a perennial vine with compound leaves.


Where can I view images of Tithoniadiversifolia(Hemsl.) Gray?


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


What is the common name of Buglossoidesarvensis(L.) I.M. Johnston?


What is the U.S. Department of Agriculture (USDA) plant symbol for common viper's bugloss, blueweed?


Is this plant invasive to the United States?

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


What is the common name of LoniceraxylosteumL.?


Flowers and fruit are very rarely produced.


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


What is the common name of SchismusarabicusNees?


What is the common name of Crocosmiax crocosmiiflora(V. Lemoine) N.E. Br. [aurea × pottsii]?


Describe the foliage of PrunuslaurocerasusL.?

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 common name of HibiscustrionumL.?


Is ArdisiacrenataSims native to the United States?


Describe the foliage of woman's tongue tree?

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


What is the common name of PittosporumundulatumVent.?


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


Where can I view images of common four-o'clock?


What is the growth habit of Vitisspp.L.?


Describe the appearance of carolina fanwort, fanwort?

Cabomba carolinianais a perennial submersed aquatic plant that is native to the southeastern United States. It has become an invasive problem in parts of the United States where it is not native. It can grow in water 3-10 ft. (0.9-3 m) deep with stems up to 6.5 ft. (2 m) long.


What is the scientific name of cypress spurge?


What is the common name of Ceratocephalatesticulata(Crantz) Bess.?


Is water fern native to the United States?


Does black locust pose any ecological threat?

Robinia pseudoacaciais native to the Southern Appalachians, the Ozarks, and other portions of the Midsouth, but is considered an invasive species in the prairie and savanna regions of the Midwest where it can dominate and shade those open habitats.


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


Is Furcraeafoetida(L.) Haw native to the United States?


Is this plant invasive to the United States?


What is the scientific name of multiflora rose?


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


Is japanese flowering crabapple native to the United States?


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.


What is the common name of CichoriumintybusL.?


What is the growth habit of AnthoxanthumodoratumL.?


What is the growth habit of AesculushippocastanumL.?


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


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


Does Perillafrutescens(L.) Britton pose any ecological threat?

P. frutescensgrows along roadsides, ditches, forest margins, and on hillsides. It spreads to natural areas, especially disturbed areas. I can disrupt native ecosystems by outcompeting native plants. It is ordinarily avoided by cattle and has been implicated in cattle poisoning. Beefsteak plants are most toxic if cut and dried for hay late in the summer, during seed production.


Is Hippeastrumpuniceum(Lam.) Kuntze native to the United States?


Where can I view images of PopulustremuloidesMichx.?


Describe the appearance of Eragrostiscurvula(Schrad.) Nees?

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


Is climbing nightshade native to the United States?


What is the common name of Leontodonsaxatilisssp. saxatilisL.?


Does california privet pose any ecological threat?

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


Describe the appearance of Mahoniabealei(Fortune) Carr.?

Mahonia bealeiis an evergreen shrub that can grow from 5-10 ft. (1.5-3 m) tall.


What is the scientific name of cape ivy?


Is this plant invasive to the United States?


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


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

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


Describe the appearance of european cranberrybush?

Viburnum opulusis a small, perennial, deciduous shrub growing from 6.5-11.5 ft. (2-3.5 m) tall. The bark is light grey to brown when mature. It is native to Europe, northern Africa and northern Asia.


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


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


Does camphortree pose any ecological threat?

Cinnamomum camphoragrows in full sun or partial shade, and it is drought tolerant but not particularly cold tolerant. It invades hardwood forests, upland pine and scrub woods, fence rows and urban green spaces. It is native to eastern Asia and was brought to the United States as an ornamental in 1875.


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 PoacompressaL. native to the United States?


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

Flowers ofNymphoides cristataare white, with membranous margins, 0.3-0.9 in. (0.8-2.3 cm) wide, petal lobes with a ruffled crest (like a rooster’s comb) along the upper midvein, blooming from summer to fall.


Describe the flowers of DipsacuslaciniatusL.?

The small, white flowers densely cover oval flower heads and are present from July to September. Spiny bracts are located on the ends of flower stems.


Is Phyllostachysnigra(Lodd.) Munro native to the United States?


What is the scientific name of cotoneaster?


What is the common name of PassiflorabicornisP. Mill.?


Where can I view images of japanese hedge-parsley, erect hedgeparsley?


Is CosmosbipinnatusCav. native to the United States?


Digitalis purpureais an herbaceous biennial or short lived perennial plant.


Describe the appearance of bulbous bluegrass?

Poa bulbosais a perennial grass that can grow up to 7.8-31.5 in. (20-80 cm) tall. It has multiple common names but the most common are bird grass, June grass and Kentucky grass.P. bulbosais native to Africa, temperate and tropical Asia and Europe.


Describe the appearance of japanese clover?

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


Where can I view images of cheatgrass, downy brome?


Is this plant invasive to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Thinopyrumjunceiforme(A. Löve & D. Löve) A. Löve?


Describe the fruit of AcaciaconfusaMerr?

The fruit ofAcacia confusaare pods that each contain about 8 brown, compressed, elliptic seeds. Fruit pods are dark brown to black. They range from to 3 in. (8 cm) long, to 0.5 in. (12 mm) wide. The pods are plump and usually slightly curved or twisted.


Describe the foliage of ConiummaculatumL.?

Leaves are shiny green, 3-4 times pinnately compound, and clasp the stem at the swollen nodes. Crushed foliage and roots have a disagreeable, parsnip-like odor.


Where can I view images of poison hemlock?


What is the scientific name of scottish rose?


Is PinusnigraArnold native to the United States?


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


What is the common name of Ligustrumspp.L.?


Capsules are red, green or purple in color, covered in dense sharp spines, 0.6 in. (1.5 cm) in diameter, and contain 3 seeds. Seeds are mottled in color with black and copper colors.


What is the common name of Tibouchinaurvilleana(DC.) Cogn.?


What is the common name of Rorippaamphibia(L.) Besser?


Is washington fan palm native to the United States?


Where can I view images of african asparagus fern?


What is the scientific name of raintree?


What is the common name of ThlaspiarvenseL.?


Is goldenrain tree native to the United States?


What is the growth habit of hedge mustard?


What is the scientific name of large crabgrass?


What is the growth habit of LactucasalignaL.?


Is this plant invasive to the United States?


What is the growth habit of quaking aspen?


Describe the appearance of VerbenabonariensisL.?

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


What is the common name of Cenchrusalopecuroides(L.) Thunb.?


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


What is the scientific name of rice flatsedge?


Where can I view images of Trapabispinosavar. iinumaiiNakano?


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


What is the growth habit of weeping lovegrass?


Describe the appearance of hairy indian mallow?

Abutilon grandifoliumis a large shrub 3.3-10 ft. (1-3 m) tall, stems, petioles, and pedicels stellate tomentose and pubescent with spreading, shiny, simple hairs up to 0.2 in. (5 mm) long. It is relatively common weed of waste areas, disturbed sites, roadsides and drains, but is also an occasional weed of disturbed and undisturbed natural ecosystems such as tall shrublands, grasslands and riparian areas.Abutilon grandifoliumis native to South America.


Is Cenchruspolystachios(L.) Morrone native to the United States?


Where can I view images of jersey cudweed?


Where can I view images of white poplar?


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


Is mile-a-minute vine, asiatic tearthumb native to the United States?


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


What is the growth habit of corkystemmed passionflower?


Is germander speedwell native to the United States?


Describe the flowers of PhyllanthusurinariaL.?

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 common name of Menthax gracilisSole (pro sp.) [arvensis × spicata]?


Is clasping pepperweed native to the United States?


What is the growth habit of black dog-strangling vine, black swallowwort?


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


Describe the fruit of austrian fieldcress?

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


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


Where can I view images of SecalecerealeL.?


Describe the foliage of CaraganaarborescensLam.?

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


What is the common name of EchiumplantagineumL.?


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


Is this plant invasive to the United States?


Is PolygalamyrtifoliaL. native to the United States?


Describe the appearance of black acacia?

Acacia melanoxylonis a straight trunked, medium sized tree of the legume family (Fabaceae) with a dense crown. It is a thornless, evergreen tree 26-49 ft. (8-15 m) high. It can occasionally get up to 148 ft. (45 m) tall. Native of rainforest areas in southeastern Australia, it was introduced as a forestry planting to Hawaii, New Zealand, and South Africa. It was introduced to Hawaii as a forestry planting (Nelson and Schubert 1976).


Does FoeniculumvulgareP. Mill. pose any ecological threat?

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


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


What is the growth habit of CymbalariamuralisP.G. Gaertn., B. Mey. & Scherb.?


Fruit is a drupe that is ovoid, 0.8-1 in. (2-2.5 cm) long, and green to blackish violet in color. The edible fruit surrounds the dark violet round seed.


What is the scientific name of field bindweed?


What is the scientific name of fuller's teasel?


The fruits develop and mature from August to October and are obovate or ovate achenes.


What is the growth habit of purple deadnettle?


What is the growth habit of smooth bedstraw?


What is the scientific name of bristly oxtongue?


What is the U.S. Department of Agriculture (USDA) plant symbol for Murdanniakeisak(Hassk.) Hand.-Maz.?


What is the scientific name of laurel clockvine?


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


Where can I view images of wild mustard?


Is BuddlejalindleyanaFortune ex Lindl. native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Verniciafordii(Hemsl.) Airy-Shaw?


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


Describe the flowers of yellow groove bamboo?


What is the growth habit of Alternantherasessilis(L.) R. Br. ex DC.?


Is RhustyphinaL. native to the United States?


Is this plant invasive to the United States?


Is johnsongrass native to the United States?


Describe the fruit of jointed goatgrass?

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


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


Where can I view images of common comfrey?


Is ChrysophyllumoliviformeL. native to the United States?


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


What is the U.S. Department of Agriculture (USDA) plant symbol for CentaureadebeauxiiGren. & Godr. [excluded]?


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


What is the growth habit of Watsoniaborbonica(Pourret) Goldblatt?


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

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


Is SpergulamorisoniiBoreau native to the United States?


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


Describe the appearance of purple crown-vetch?

Securigera variais a low-growing, herbaceous vine that usually forms thickets up to 3 ft. (0.9 m) in height.


What is the growth habit of wild mustard?


What is the growth habit of BocconiafrutescensL.?


What is the growth habit of water lettuce?


What is the growth habit of ThunbergiagrandifloraRoxb.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Sileneflos-cuculi(L.) Clairv.?


Describe the appearance of SonchusarvensisL.?

Sonchus arvensisis a perennial herbaceous plant. Stems can reach 4.9 ft. (1.5 m) in height and contain milky sap.


Is this plant invasive to the United States?


Where can I view images of hairy willowherb?


What is the growth habit of twolobe speedwell?


Is spurgelaurel native to the United States?


Describe the appearance of GlechomahederaceaL.?

Glechoma hederaceais a perennial, evergreen and aromatic plant in the mint family (Lamiaceae). Plants can reach a height of 1 ft. (0.3 m).


Describe the foliage of BromusarvensisL.?

Leaf blades are flat, covered with soft, distinct, thin hair, approximately 1-8 in. in length, and 1/32-1/16 of an in. wide. Sheaths are covered with dense, soft hairs. Ligules are 1/64-1/16 of an in. long and auricles are absent.


Is cayenne porterweed native to the United States?


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


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


Describe the appearance of australian saltbush?

Atriplex semibaccatais a perennial shrub that can grow up to 13 in. (33 cm) tall.


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


Is leporinum barley native to the United States?


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


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


What is the common name of Melinisrepens(Willd.) Zizka?


Where can I view images of Myriophyllumspp.?


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


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


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


Describe the flowers of purple loosestrife?

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


Is this plant invasive to the United States?


Olea europaeais a perennial tree that can grow from 26.2-49.2 ft. (8-15 m) tall.


What is the scientific name of blessed milkthistle?


Where can I view images of squarrose knapweed?


Describe the flowers of dalmatian toadflax?

Flowering occurs in May-September, when bright yellow, snapdragon-like flowers develop. Flowers, including the spur, are 1.4-2 in. (3.5-5 cm) long and occur in racemes at the apex of the stems.


What is the scientific name of pink woodsorrel?


Is LonicerastandishiiJacques native to the United States?


What is the growth habit of bigpod sesbania?


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


Is slender amaranth native to the United States?


What is the growth habit of Stachytarphetajamaicensis(L.) Vahl?


What is the scientific name of spiny amaranth?


Where can I view images of Reynoutriax bohemicaChrtek & Chrtková?


What is the U.S. Department of Agriculture (USDA) plant symbol for wild four-o'clock?


Where can I view images of HordeummurinumL.?


Describe the foliage of slender russian thistle?

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


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


What is the growth habit of Pinuselliottiivar. elliottiiEngelm.?


Is this plant invasive to the United States?


Flowering occurs in midsummer, when 0.5 in. (1.3 cm) long, purple, fragrant flowers hang, in clusters, in the axils of the leaves.


Describe the flowers of Cirsiumvulgare(Savi) Ten.?

Flowers develop, at the apex of the plant, from June to September. The purple flower heads are 1.5-2 in. (3.8-5.1 cm) in diameter and 1-2 in. (2.5-5.1 cm) long with narrow, spine-tipped bracts.


Does deeprooted sedge pose any ecological threat?

Cyperus entrerianuscan invade wet undisturbed natural habitats as well as disturbed areas such as highway ditches and field margins. It can form monocultures, displacing native vegetation in habitats it invades. Construction, agricultural activities, and roadside mowing are spreading the seeds and dispersing this plant to new areas. It is tolerant of a wide range of soil types from sand to clay.Cyperus entrerianusis native to South America and was accidentally introduced into the United States around 1990. It invades disturbed areas through-out the southeastern United States.


Is sourgrass native to the United States?


What is the growth habit of common lilac?


Is japanese chaff flower native to the United States?


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


Is LinumbienneMill. 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 fruit of canadian horseweed?

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 common name of PaspalumvaginatumSw.?


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


Describe the foliage of Vincetoxicumnigrum(L.) Moench?

Leaves are opposite, dark green, oval, and shiny with entire margins. Leaves are from 3-4 in. (7.6-10.2 cm) long and 2-3 in. (5.1-7.6 cm) wide. A short petiole attaches the leaf to the vine.


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


What is the growth habit of waterwheel plant?


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

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


Is RubusulmifoliusSchott native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Centromadiapungensssp. pungens(Hook. & Arn.) Greene?


What is the common name of CarexflaccospermaDewey?


Where can I view images of Murdanniakeisak(Hassk.) Hand.-Maz.?


What is the common name of BromusdiandrusRoth?


Is this plant invasive to the United States?


Is oppositeleaf russian thistle native to the United States?


Where can I view images of FicusaltissimaBlume?


What is the growth habit of RubusbifronsVest ex Tratt.?


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


Where can I view images of Rytidospermapenicillatum(Labill.) Connor & Edgar?


What is the scientific name of tuna cactus?


Does rush skeletonweed pose any ecological threat?

Chondrilla junceainvades dry rangelands in the Western U. S., displaces native species, and reduces forage for livestock and wildlife. It is native to Europe, Asia, and Africa and was accidentally introduced to the U. S. as a contaminant of fodder in 1914.


Describe the appearance of iberian starthistle?

Centaurea ibericais an annual plant that grows 1-6 ft. (0.3-1.8 m) tall. It closely resembles purple starthistle and it is native to southern Europe.


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


Where can I view images of AegilopscylindricaHost?


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


Describe the foliage of RubuslaciniatusWilld.?

Leaves are palmately compound and alternate with five serrate, lobed, serrate leaflets. Stems are covered in broad, curved thorns that are red at the base and yellow at the tip. The leaves are a good identifying characteristic for this species.


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


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


Where can I view images of Erodiumcicutarium(L.) L'Hér. ex Ait.?


What is the growth habit of RibesrubrumL.?


Describe the foliage of CentaureamacrocephalaPuschk. ex Willd.?

Broadly lance-shaped leaves with sharp, pointed tips are rough to the touch and up to 15 in. (38.1 cm) long at the base of the plant.


What is the common name of PinuspinasterSoland., non Ait.?


What is the scientific name of wayside speedwell?


What is the growth habit of FicuselasticaRoxb.?


Is this plant invasive to the United States?


Where can I view images of PittosporumundulatumVent.?


Is hairy fleabane native to the United States?


What is the U.S. Department of Agriculture (USDA) plant symbol for Neonotoniawightii(Wight & Arn.)?


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


Describe the appearance of UlexeuropaeusL.?

Ulex europaeusis an evergreen, perennial shrub native to Europe. Plants can grow from 3-6 ft. (1-2 m) in height. Shoots are covered with reddish-brown to grey hairs.


What is the growth habit of Rapistrumrugosum(L.) All.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Hieraciumx floribundumWimmer & Grab. [caespitosum x lactucella]?


What is the scientific name of small philippine acacia?


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


Is london rocket native to the United States?


What is the growth habit of CoffeaarabicaL.?


What is the growth habit of Axonopuscompressus(Sw.) Beauv.?


What is the scientific name of scarlet spiderling?


Is summer snowflake native to the United States?


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


Where can I view images of monterey pine?


What is the common name of RubusarmeniacusFocke?


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


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


Is this plant invasive to the United States?


Where can I view images of wetland nightshade?


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


Is Didymospheniageminata(Lyngbye) M. Schmidt native to the United States?


What is the common name of Xanthosomasagittifolium(L.) Schott?


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.


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


What is the growth habit of DipsacuslaciniatusL.?


What is the common name of Limnobiumspongia(Bosc) L.C. Rich. ex Steud.?


Is SalviaaethiopisL. native to the United States?


Is BromusjaponicusThunb. native to the United States?


What is the scientific name of japanese rose?


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


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


What is the growth habit of PhleumpratenseL.?


Describe the appearance of Vincetoxicumnigrum(L.) Moench?

Vincetoxicum nigrumis an herbaceous, twining, unbranched, perennial vine which can grow up to 6.5 ft. (2 m) in length.


Where can I view images of onerow yellowcress?


Does cypress spurge pose any ecological threat?

Euphorbia cyparissiascan invade open disturbed areas such as fields, pastures, agricultural land, roadsides, and yards. It is toxic to livestock so infestations reduce the forage value of pastures and contaminates hayfields. It can form huge infestations displacing native vegetation. This plant is native to Europe and western Asia. It was first introduced into the United States in the mid 1800s as an ornamental.


Is BidensbipinnataL. native to the United States?


Is crested floating heart native to the United States?


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


Is foxtail millet native to the United States?


Describe the appearance of GalegaofficinalisL.?

Galega officinalisis an herbaceous, perennial plant found in Utah, Pennsylvania, and New York that can grow up to 6 ft. (1.8 m) in height. Plants are shrubby.


Is BrassicarapaL. 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 MalusfloribundaSieb. Ex Van Houtte?


Where can I view images of nettleleaf velvetberry?


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


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


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


Describe the appearance of glossy privet?

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


Is VerbenaincomptaP. W. Michael native to the United States?


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

Category 2 (Alabama), Invasive (Delaware), Invasive (IPC) (Missouri), Invasive (North Carolina), Regulated (New York)


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


Does Eragrostiscurvula(Schrad.) Nees pose any ecological threat?

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


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


Is RicinuscommunisL. 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 Loliumspp.L.?


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

The leaves are simple, 6-10 in. (15.2-25.4 cm) long, alternate, and either heart-shaped or with three pointed lobes. The petioles are long and there is a distinctive red gland at the base of each leaf.


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


What is the scientific name of nettleleaf velvetberry?


Is LepidiumruderaleL. native to the United States?


Is this plant invasive to the United States?


Is SchismusarabicusNees native to the United States?


Is CrataegusmonogynaJacq. native to the United States?


Describe the foliage of purple starthistle?

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


What is the scientific name of bird vetch?


Is jeffrey pine native to the United States?


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


The fleshy fruit ripens from red to a dark purple or black color. You can see ripe fruit beginning about July through September.


Where can I view images of ArenariaserpyllifoliaL.?


Describe the appearance of RhamnuscatharticaL.?

Rhamnus catharticais a deciduous shrub or small tree that can grow to 25 ft. (7.6 m) in height. The bark is dark gray and the inner bark is orange (easily seen when the tree is cut). Twigs are usually tipped with a sharp spine.


What is the growth habit of field poppy?


Fruits are 0.19-0.31 in. (4.8-7.9 mm) in diameter including the wings. Wings are opaque with smooth margins and veins.


What is the common name of MyosotisscorpioidesL.?


What is the growth habit of Anthoxanthumodoratumssp. odoratumL.?


What is the scientific name of italian arum?


What is the growth habit of black locust?


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


Is CyperusbrevifolioidesThieret & Delahouss native to the United States?


What is the common name of PinuscoulteriD. Don?


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


Describe the appearance of rush skeletonweed?

Chondrilla junceais a perennial forb that can grow up to 4 ft. (1.2 m) tall.


Is CaricapapayaL. native to the United States?


What is the growth habit of CentaureadiffusaLam.?


Is sacramento burrbark native to the United States?


Describe the appearance of winged burning bush?

Euonymus alatusis a deciduous shrub, up to 20 ft. (6.1 m) in height, which invades forests throughout the eastern United States. Two to four corky ridges often form along the length of young stems, though they may not appear in shaded areas or closed canopies.


What is the common name of MiscanthussinensisAnderss.?


What is the growth habit of HederahelixL.?


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


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


Where can I view images of Cortaderiajubata(Lem.) Stapf?


What is the U.S. Department of Agriculture (USDA) plant symbol for Urochloamutica(Forsk.) T.Q. Nguyen?


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


What is the growth habit of PassiflorasuberosaL.?


Is this plant invasive to the United States?


Does white poplar pose any ecological threat?

Branches are susceptible to breakage when under stress, such as heavy snow or ice. Trees produce prolific rootsprouts.Populus albais native to Eurasia and grows best in full sun.


What is the common name of TectariaincisaCav.?


Panicle, 2-8 in. (5.1-20.3 cm) long, with spikelets grouped together in dense, one-sided clusters at the end of panicle branches; spikelets contain 2 to 5 florets; lemmas pointed to short-awned.


Where can I view images of memorial rose?


What is the scientific name of cathedral bells?


Is chandelier plant native to the United States?


Describe the fruit of sweet breath of spring?

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


What is the growth habit of annual bluegrass?


Where can I view images of ConvolvulusarvensisL.?


Is Halogetonglomeratus(Bieb.) C.A. Mey. native to the United States?


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


Is MyriophyllumheterophyllumMichx. native to the United States?


What is the growth habit of HunnemanniafumariifoliaSweet?


Describe the foliage of AcerpalmatumThunb.?

Acer palmatumhas a palmate leaf that is from 2-5 in. (5-13 cm) across with from 5 to 9 lobes. The foliage is usually green with fall colors ranging from yellow, bronze, purple, orange to red. The beautiful fall colors are some of the reasons this tree has been used in landscaping. The cultivars ofAcer palmatumvary widely.


What is the common name of Platyceriumbifurcatum(Cav.) C. Chr.?


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


What is the scientific name of elmleaf blackberry?


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


The fruit is a carpel that contains one seed that is convex on one side and concave on the other. The rhizomatous root system allows this plant to reproduce vegetatively.


Does spotted knapweed pose any ecological threat?

Centaurea stoeberapidly colonizes roadsides and disturbed lands, especially dry sites. It can invade adjacent undisturbed prairies and open forests. A severe invasive species spreading into the South by seeds equipped for dispersal by wind, water, livestock, wildlife, and human activity, with viability in the soil for many years.


What is the common name of BegoniacucullataWilld?


Is this plant invasive to the United States?


Describe the fruit of Loniceramaackii(Rupr.) Herder?

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


Where can I view images of Sennaobtusifolia(L.) Irwin & Barneby?


What is the growth habit of weeping lantana?


Fruit is angled and approximately 0.08-0.12 in. (2-3 mm) long. Seeds are small and are dispersed by the wind after the seed-head has dried.


What is the common name of VeronicabeccabungaL.?


Where can I view images of Tibouchinaherbacea(DC.) Cogn.?


Where can I view images of jaraguagrass?


Where can I view images of hierba del soldado?


What is the scientific name of sparrow vetch?


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 winged yam?


What is the growth habit of canada thistle?


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


Does PrunuslaurocerasusL. pose any ecological threat?

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


Where can I view images of shoebutton ardisia?


What is the growth habit of Xanthosomasagittifolium(L.) Schott?


Describe the foliage of ElaeagnuspungensThunb.?

The leaves are alternate, oval to elliptical, with irregular wavy margins and silvery surfaces, 2-4 in. (5.1-10.2 cm) in length and thick.


Purplish spikelets are 0.12-0.24 in. (3-6 mm) long. They are spread by wind.


Is spiny fiddlewood native to the United States?


Is this plant invasive to the United States?


Describe the fruit of swamp morning-glory?

Ipomoea aquaticafruits are woody ovoid capsules.


What is the common name of PinusradiataD. Don?


What is the common name of Carduusnutansmacrolepis(Peterm.) Kazmi?


What is the scientific name of woodland forget-me-not?


Is white leadtree native to the United States?


What is the scientific name of threelobe false mallow?


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


What is the scientific name of winter creeper?


Where can I view images of GrevillearobustaA. Cunningham ex R. Br.?


Describe the flowers of perennial pepperweed?

Flowering occurs in the late spring to summer, when flat, dense clusters of flowers develop at the apex of the flowering stem. Individual flowers are 4-petaled and white.


Describe the foliage of PotamogetoncrispusL.?

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


Is chinese holly native to the United States?


Agrostis giganteaoccurs in areas with shallow water, in wet meadows, in grasslands, and along stream banks. It is native to Eurasia.


What is the growth habit of AldrovandavesiculosaL.?


What is the common name of KoelreuteriapaniculataLaxm.?


What is the growth habit of QuercusroburL.?


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


What is the growth habit of european stinging nettle?


What is the growth habit of AcaciabaileyanaF. Muell.?


Is this plant invasive to the United States?


What is the scientific name of waterpurslane?


Describe the appearance of LeonuruscardiacaL.?

Leonurus cardiacais a perennial herbaceous plant is 2-5 ft (0.6-1.5 m) tall. The plant generally has few branches. The square stems are ribbed and somewhat pubescent. Stems begin erect but tend to sprawl as they mature. The root system is made up of both shallow fibrous roots and rhizomes. It is native from temperate Russia to central Asia. It has been cultivated in Europe for a many decades.


Describe the foliage of Securigeravaria(L.) Lassen?

The leaves are dark green pinnately compound with 9 to 25 pairs of leaflets and a terminal leaflet. Leaflets are 0.75 in. (1.9 cm) long.


Is polar hawkweed native to the United States?


Where can I view images of Hemerocallisfulva(L.) L.?


Is Puerariamontanavar. lobata(Willd.) Maesen & S. Almeida native to the United States?


What is the common name of NasturtiumofficinaleR. Brown?


Describe the fruit of Puerariamontanavar. lobata(Willd.) Maesen & S. Almeida?

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


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


What is the common name of PlantagomajorL.?


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


Is OnopordumacanthiumL. native to the United States?


Where can I view images of AcerginnalaMaxim.?


Where can I view images of fivehook bassia?


Does chinese yam pose any ecological threat?

Dioscorea polystachyacan form dense masses of vines that cover and kill native vegetation, including trees, within a variety of moist, disturbed habitats. It was introduced from Asia for ornamental, food, and medicinal purposes and escaped cultivation in the mid-1990s.


Describe the fruit of PhalarisarundinaceaL.?

The inflorescence color changes from green to purplish to tan as the seeds mature. There are both sterile and fertile lemmas.


The flowers’ calyx is 0.04-0.12 in. (1-3 mm), lobes glabrous, apex rounded to obtuse. Petals are white or rarely light purplish pink, 0.04-0.16 in. (1-4 mm). Flowering occurs from summer to fall.


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


What is the scientific name of redhot poker?


Where can I view images of glossy privet?


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


Is this plant invasive to the United States?


Is PaspalumquadrifariumLam. native to the United States?


Where can I view images of PassiflorafoetidaL.?


Is Hyptismutabilis(Rich.) Briq. native to the United States?


What is the growth habit of Schismusbarbatus(Loefl. ex L.) Thellung?


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


Describe the flowers of MyriophyllumspicatumL.?

Myriophyllum spicatumhas both male and female flowers on the same inflorescence. The female flowers are basal while the male flowers are located distally. The female flowers have a 4-lobed pistil and lack sepals and petals. The male flowers have 4 pink petals and 8 stamens.


What is the scientific name of big trefoil?


What is the common name of Stellariamediassp. media(L.) Vill.?


What is the scientific name of chocolate vine?


Does leatherleaf mahonia pose any ecological threat?

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


Solanum carolinenseis a perennial that can reproduce by seed or rhizomes. It has spines on the leaves and stems and can grow up to 3 ft. (0.9 m) in height.


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


What is the common name of CastillaelasticaSessé?


What is the growth habit of HypericumcalycinumL.?


Is Terminaliamyriocarpavan Heurck & Muell.-Arg. native to the United States?


Does peruvian peppertree pose any ecological threat?

Schinus mollecan be found along slopes, washes, and in abandoned fields. It is native to South America in Argentina and Peru.


Is tropical almond native to the United States?


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

Bark is dark grey with a lace-like pattern. The foliage of this plant is very fern-like. Leaves are pinnate to bipinnate, 3.9-13.4 in. (10-34 cm) long with a green upper surface and a silvery lower surface.


Where can I view images of Melilotusofficinalis(L.) Lam.?


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


Where can I view images of SolanumnigrumL.?


Is turkeyberry native to the United States?


Describe the fruit of AcaciaauriculiformisA. Cunningham ex Benth.?

AnAcacia auriculiformistree can produce about 47,000 seeds a year. The fruits are flat, oblong pods. Pods become twisted as they mature and then split to reveal flat black seeds. The seeds are attached by orange, string like arils.


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


Is MyosotisscorpioidesL. native to the United States?


What is the common name of AgrostiscapillarisL.?


Is this plant invasive to the United States?


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

Noxious (United States), Watch List (Alabama)


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


Describe the fruit of SpartinaanglicaC.E. Hubbard?

Seeds are 0.6-0.8 in. (1.5-2 cm) long. Dozens are made by each flower head and are spread by the wind and tide.S. anglicacan also spread through underground stems.


Where can I view images of Descurainiasophia(L.) Webb ex Prantl?


Is EuphorbialathyrisL. native to the United States?


Is southern sandbur native to the United States?


Where can I view images of MalvamoschataL.?


Does SalviaaethiopisL. pose any ecological threat?

S. aethiopisis typically found in degraded sagebrush communities, disturbed sites, fields, rangelands, roadsides and some agronomic crops. Mediterranean sage is a state-listed noxious weed in Arizona, California, Colorado, Nevada, Oregon and Washington. The plant is native to Europe and may have been introduced in contaminated alfalfa seed.


What is the scientific name of autumn fern?


The small deciduous leaves, 3-5 in (7.6-12.7 cm) long, with 3-7 pairs of rounded lobes, and extremely short petioles. They remain deep green long into autumn before turning brown and then persisting on the tree well into winter.


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


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


What is the U.S. Department of Agriculture (USDA) plant symbol for Salixx pendulinaWenderoth [babylonica × fragilis]?


What is the scientific name of swollen fingergrass?


What is the scientific name of valamuerto?

Sennapendula(Humb. & Bonpl. ex Willd.) Irwin & Barneby


What is the growth habit of bengal trumpet?


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


Melia azedarachis a deciduous tree growing to 50 ft. (15.2 m) in height and 2 ft. (0.6 m) in diameter.


Describe the appearance of LigustrumobtusifoliumSieb. & Zucc.?

Ligustrum obtusifoliumis a woody, perennial, semi-deciduous shrub that grows to 10 ft. (3 m) in height. It is many stemmed and has pubescent branchlets.


What is the growth habit of cathedral bells?


Is Luzulaluzuloides(Lam.) Dandy & Wilmott native to the United States?


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


Is CestrumparquiL'Hér. native to the United States?


What is the common name of Verniciafordii(Hemsl.) Airy-Shaw?


What is the growth habit of bear's breech?


What is the growth habit of austrian fieldcress?


Is this plant invasive to the United States?


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


What is the growth habit of Mycelismuralis(L.) Dumort.?


What is the scientific name of gold coast jasmine?


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


Is canada thistle native to the United States?


Is japanese wisteria native to the United States?


Is dotted smartweed native to the United States?


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


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


What is the common name of ImperatabrevifoliaVasey?


Describe the appearance of LigustrumovalifoliumHassk.?

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


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


Where can I view images of CaraganaarborescensLam.?


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


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


Where can I view images of CatalpabignonioidesWalt.?


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

Vernicia fordiiis a deciduous tree that is up to 66 ft. (20 m) tall and has milky white sap.


What is the scientific name of shepherd's-purse?


Describe the appearance of SolanumviarumDunal?

Solanum viarumis a perennial, shrubby forb that is on the Federal Noxious Weed list. Plants grow to 6 ft. (1.8 m) in height and width.


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


What is the growth habit of birdsfoot trefoil?


What is the growth habit of bulbous canarygrass?


Describe the appearance of russian thistle?

Salsola tragusis an annual herb that can grow to 4 ft. (1.2 m) tall. It was introduced into the United States in the mid 1870s, possibly as a contaminant in flax seed.


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


Is RibesrubrumL. native to the United States?


Describe the fruit of hairy indian mallow?

The schizocarp is a dull black and broadly urceolate-truncate. It is about 0.4-0.6 in. (11-14 mm) long. The mericarps are usually 10, thin-walled and somewhat inflated. They are short-beaked dorso-ventrally. There are usually 3-6 seeds per mericarp. They are blackish and reniform. Seeds are about 0.08-0.12 in. (2-3 mm) long and sparsely pubescent.


What is the scientific name of swampmahogany?


Describe the appearance of Abutilongrandifolium(Willd.) Sweet?

Abutilon grandifoliumis a large shrub 3.3-10 ft. (1-3 m) tall, stems, petioles, and pedicels stellate tomentose and pubescent with spreading, shiny, simple hairs up to 0.2 in. (5 mm) long. It is relatively common weed of waste areas, disturbed sites, roadsides and drains, but is also an occasional weed of disturbed and undisturbed natural ecosystems such as tall shrublands, grasslands and riparian areas.Abutilon grandifoliumis native to South America.


What is the growth habit of silver wattle?


What is the common name of Hydrillaverticillata(L. f.) Royle?


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 catclaw mimosa?


Is LactucaserriolaL. native to the United States?


What is the common name of AesculusglabraWilld.?


Describe the flowers of yellow floating heart?

The bright yellow flowers ofNymphoides peltatahave five petals, and measure from 1-1.5 in. (3-4 cm) in diameter when fully open. There is one to several flowers on each stalk. The edges of the petals are fringed. This plant flowers from June to September.


Is Artemisiavulgarisvar. vulgarisL. native to the United States?


What is the scientific name of slenderleaf iceplant?


Where can I view images of japanese pachysandra?


Is water mint native to the United States?


What is the growth habit of tall vervain?


Where can I view images of wine raspberry?


What is the growth habit of mahaleb cherry?


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


What is the common name of DaturastramoniumL.?


Does Sorghumhalepense(L.) Pers. pose any ecological threat?

Sorghum halepenseis adapted to a wide variety of habitats including open forests, old fields, ditches and wetlands. It spreads aggressively and can form dense colonies which displace native vegetation and restrict tree seedling establishment.Sorghum halepensehas naturalized throughout the world, but it is thought to be native to the Mediterranean region. It was first introduced into the United States in the early 1800s as a forage crop.


Describe the foliage of VerbenamontevidensisSpreng.?

V. montevidensisleaves are dark green. Most of the leaves are in a basal rosette. The opposite leaves clasp the stem. Leaves are elliptic to lanceolate, ranging from 3-5 in. (7.6-12.7 cm) long with serrate margins.


Where can I view images of rough maidenhair fern?


What is the scientific name of african tuliptree?


Describe the flowers of VerbascumthapsusL.?

The plant bolts in the second year. Flowering occurs in June to August, when five-petaled, yellow flowers develop at the apex of the shoot. Plants die after flowering.


Does shoebutton ardisia pose any ecological threat?

Ardisia ellipticagrows well in low, wet areas and in old fields. This species is shade-tolerant. Birds eat the fruit and so disperse the seeds.Ardisia ellipticais a native of Southeast Asia and was introduced into the United States as an ornamental in the late 1800’s.


Is this plant invasive to the United States?


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


What is the scientific name of seaside barley?


Where can I view images of SalsolatragusL.?


What is the growth habit of spurgelaurel?


What is the growth habit of PortulacaoleraceaL.?


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


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


Where can I view images of LactucacanadensisL.?


Describe the appearance of Epipactishelleborine(L.) Crantz?

Epipactis helleborineis a perennial herb in the orchid family that can grow anywhere from 9.8-35.4 in. (25-90 cm) tall.


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


Describe the fruit of bulbous bluegrass?

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


What is the growth habit of oppositeleaf russian thistle?


Describe the flowers of Microstegiumvimineum(Trin.) A. Camus?

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


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


Is BromussterilisL. native to the United States?


Where can I view images of RanunculusarvensisL.?


Describe the appearance of PsidiumcattleyanumSabine?

Psidium cattleianumis an evergreen tree/shrub. Trees can grow from 30-40 ft. (9.1-12.2 m) tall and have reddish, flaky bark.


Is seaside rose native to the United States?


Is IndigoferasuffruticosaP. Mill. native to the United States?


What is the common name of CruciatalaevipesOpiz?


What is the growth habit of MyosotislatifoliaPoir.?


Where can I view images of PopulusnigraL.?


The erect flower stems reach 6 ft. (1.8 m) in height and support spiny flower heads that are covered with small, lavender to white flowers in April to September.


Describe the fruit of SisymbriumorientaleL.?

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


Where can I view images of AegilopstriuncialisL?


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

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


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


Is this plant invasive to the United States?


What is the growth habit of english ivy?


The tree has a large, dense crown of leaves. The base of the bole can be covered with rough, reddish-brown bark. The leaf also contains several to many oil-producing glands in the un-veined areas of the leaf.


Describe the fruit of dwarf honeysuckle?

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 catchweed bedstraw?


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


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


Where can I view images of water speedwell?


Describe the appearance of LoniceratataricaL.?

Lonicera tataricais a multistemmed, upright, woody, deciduous shrub that grows up to 10 ft. (3 m) tall. The bark is light gray and can often peel in vertical strips.


What is the common name of Perillafrutescens(L.) Britton?


What is the growth habit of common chickweed?


Is Pyracanthaspp.L. native to the United States?


Is korean lespedeza native to the United States?


Describe the appearance of mediterranean sage?

Salvia aethiopisis a biennial plant with square stems reaching up to 3 ft. (0.9 m) tall.


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


Is lemon balm native to the United States?


What is the growth habit of ponderosa pine?


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


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


Where can I view images of spanish arborvine?


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


Where can I view images of surinam cherry?


What is the common name of DalechampiascandensL.?


What is the growth habit of perennial false-brome?


Does SpiraeajaponicaL. f. pose any ecological threat?

Spiraea japonicainvades a variety of habitats including fields, forests, stream banks and many disturbed areas. Once established, it can form dense stands which displace native vegetation and close open areas. It is native to eastern Asia and was first introduced into the United States around 1879 as an ornamental.


Describe the appearance of CardiospermumhalicacabumL.?

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


What is the scientific name of black henbane?


Describe the appearance of cutleaf blackberry?

Rubus laciniatusis a perennial vine or shrub that can grow up to 9.8 ft. (3 m) tall.


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


What is the growth habit of PoatrivialisL.?


Where can I view images of yellow glandweed?


Is CecropiapalmataWilld. native to the United States?


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


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


What is the growth habit of CardamineflexuosaWith.?


What is the growth habit of black henbane?


Where can I view images of canada thistle?


Is MomordicacharantiaL. native to the United States?


What is the growth habit of LoliummultiflorumLam.?


Is Dittrichiagraveolens(L.) W. Greuter native to the United States?


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


Is this plant invasive to the United States?


What is the common name of Centellaasiatica(L.) Urban?


Is PrunuscerasusL. native to the United States?


Describe the appearance of SpartiumjunceumL.?

Spartium junceumis a perennial shrub, that can grow up to 9.8 ft. (3 m) high. It has thick waxy stems.


Where can I view images of SpartiumjunceumL.?


What is the common name of Angiopterisevecta(J.R. Forst.) Hoffmann?


Describe the foliage of LoniceraxylosteumL.?

Leaves are opposite, elliptical, deciduous and 1-2.5 in. (2.5-6.4 cm) long.


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


Describe the fruit of Silybummarianum(L.) Gaertn.?

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


Is TamarixramosissimaLedeb. native to the United States?


What is the growth habit of wild bushbean?


What is the growth habit of indian mustard?


What is the common name of CallicarpajaponicaThunb.?


What is the growth habit of haspan flatsedge?


Is australasian geranium native to the United States?


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


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

The opposite leaves are quite variable. They can be simple or compound with margins entire or serrate.


Is this plant invasive to the United States?


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


Describe the appearance of QuercusacutissimaCarruthers?

Quercus acutissimais a large, up to 50 ft. (15.2 m) in height, deciduous tree that has been invading forests in the eastern United States.


What is the scientific name of hedgehog dogtailgrass?


What is the U.S. Department of Agriculture (USDA) plant symbol for Bromusdiandrusvar. rigidus(Roth) Sales?


What is the growth habit of telegraph weed?


Where can I view images of CotulacoronopifoliaL.?


What is the scientific name of mediterranean broom?


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


Where can I view images of european sea-rocket?


What is the growth habit of carolina fanwort, fanwort?


What is the growth habit of japanese false spleenwort?


Where can I view images of EuonymuseuropaeusL.?


Is large hop clover native to the United States?


Does PhytolaccaamericanaL. pose any ecological threat?

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


Describe the flowers of SpartiumjunceumL.?

The fragrant yellow flowers are borne in loose terminal racemes, unlike those ofCytisus scopariuswhich are usually solitary in the axils. Individual flowers are 0.8-1 in. (2-2.5 cm) long.


Describe the appearance of birdsfoot trefoil?

Lotus corniculatusis an invasive low-growing, perennial forb with stems that can reach 2 ft. (0.6 m) long.


What is the growth habit of SalviniamolestaD. S. Mitchell?


What is the common name of CyperusbrevifolioidesThieret & Delahouss?


Is waxyleaf privet native to the United States?


Is CichoriumintybusL. native to the United States?


What is the growth habit of field bindweed?


Where can I view images of slenderflower thistle?


Describe the appearance of SolanumelaeagnifoliumCavanaugh?

Solanum elaeagnifoliumis a perennial shrub that can grow up to 3 ft. (0.9 m) tall.


Is Tetragoniatetragonioides(Pallas) Kuntze native to the United States?


What is the growth habit of Eichhorniacrassipes(Mart.) Solms?


Is Stellariamedia(L.) Vill. native to the United States?


Is matgrass native to the United States?


What is the common name of LotuspedunculatusCav.?


Is Acaenanovae-zelandiaeKirk native to the United States?


Is sheep fescue native to the United States?


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

Salpichroa origanifoliabegins as an upright herbaceous plant but stems become prostrate and square over time. It has stout spreading roots and rhizomes. It is native to the temperate regions South America and can now be found across the southern United States as well as Australia, Canada and Europe.


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


Is CerastiumtomentosumL. native to the United States?


What is the common name of Arundinagraminifolia(D. Don) Hochr.?


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


Is DioscoreapolystachyaTurcz. native to the United States?


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


Is this plant invasive to the United States?


Does european waterstarwort pose any ecological threat?

Callitriche stagnalisis capable of creating locally dense mats of vegetation that may crowd out native aquatic vegetation.


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


Does puncturevine pose any ecological threat?

Plants invade roadsides, pastures, fields and other disturbed areas. Plants are toxic to sheep and other grazers.


What is the growth habit of weeping higan cherry?


What is the scientific name of cure for all?


Where can I view images of ragweed parthenium?


Describe the flowers of SpartinaalternifloraLoisel.?

Flowering occurs in July to November, when densely packed clusters of tan flowers develop.


Cynara cardunculusis a perennial herb that can grow up to about 5 ft. (1.5 m) tall.


Is paper-mulberry native to the United States?


What is the growth habit of star-of-bethlehem?


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

Aquatic Nuisance (Class 1, Prohibited) (North Dakota), Class C (Alabama), Potentially Invasive, Prohibited (Connecticut), Prohibited (Minnesota), Prohibited (Wisconsin), Watch List (Alabama)


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 Kalanchoepinnata(Lam.) Pers.?


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


What is the U.S. Department of Agriculture (USDA) plant symbol for Ranunculusflammulavar. filiformis(Michx.) Hook.?


What is the common name of EquisetumarvenseL?


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


Leaves are opposite, simple, 2.5-4 in. (6.2-10 cm) long and doubly serrate. Leaves also have ribbed veins and a long, pointed tip.


Is date palm native to the United States?


Is PassifloraligularisJuss. native to the United States?


Is this plant invasive to the United States?


What is the growth habit of Toxicodendronradicans(L.)Kuntze?


Each seed is orbicular or rein form and flattened with small bumps across its surface. The root system consists of a slender taproot. This plant spreads by reseeding itself.


What is the common name of Brassicajuncea(L.) Czern?


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


Where can I view images of TrifoliumpratenseL.?


Is Dipogonlignosus(L.) Verdc. native to the United States?


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


What is the growth habit of PaspalumquadrifariumLam.?


Describe the foliage of meadow hawkweed?

Leaves long and narrow, up to 6 in. (15.2 cm) long, somewhat hairy on both sides, and form a basal rosette. There are also one or two small leaves found on the stem.


Where can I view images of ImperatabrasiliensisTrinius?


Is Cenchrusalopecuroides(L.) Thunb. native to the United States?


Is Axonopusfissifolius(Raddi) Kuhlm. native to the United States?


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


Describe the foliage of MeliaazedarachL.?

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


Where can I view images of Alternantherasessilis(L.) R. Br. ex DC.?


What is the growth habit of japanese knotweed?


Is this plant invasive to the United States?


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

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


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


Describe the foliage of winged burning bush?

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


What is the common name of AlbiziajulibrissinDurazz.?


What is the U.S. Department of Agriculture (USDA) plant symbol for Thinopyrumponticum(Podp.) Z.-W. Liu & R.-C. Wang?


Is leatherleaf mahonia native to the United States?


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


E. hirsutumreproduces by seeds, rhizomes and stolons. Fruits are narrow, pubescent, dehiscent seed pods from 1-3.5 in. (2.5-9 cm) long that contain numerous seeds. Seeds have long white hairs that aid in dispersal by wind.


What is the common name of Undariapinnatifida(Harvey) Suringar?


Describe the flowers of eurasian watermilfoil?

Myriophyllum spicatumhas both male and female flowers on the same inflorescence. The female flowers are basal while the male flowers are located distally. The female flowers have a 4-lobed pistil and lack sepals and petals. The male flowers have 4 pink petals and 8 stamens.


What is the scientific name of clubed begonia?


Describe the fruit of Araliaelata(Miq.) Seem?

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


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


The fruit is 0.14-0.24 in. (3.5-6 mm) x 0.12-0.24 in. (3-6 mm) and is enclosed within inner perianth segments. Margin of fruit is entire or minutely denticulate.


What is the growth habit of Amaranthusspp.L.?


What is the growth habit of russian olive?


Describe the fruit of IpomoeaaquaticaForssk.?

Ipomoea aquaticafruits are woody ovoid capsules.


What is the invasive/noxious status of coco yam, wild taro and where is it classified as such?


Where can I view images of spring whitlowgrass?


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

Stems are vine like and can grow to 15 ft. (4.6 m) long sprawling to create 10-12 ft. (3-3.7 m) mounds. Leaves are simple, opposite, ciliate, velvety green, tinged with red, coarse, 2-4 in. (7.6-13 cm) long with 3 to 5 midribs.


Where can I view images of PassifloraligularisJuss.?


Where can I view images of ClinopodiumvulgareL.?


Is Persicariacapitata(Buch.-Ham. ex D. Don) Gross. native to the United States?


Is Eragrostiscurvula(Schrad.) Nees native to the United States?


Where can I view images of AnthriscuscaucalisM. Bieb.?


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


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


Describe the foliage of RicinuscommunisL.?

Stems are red to green or purple in color. Leaves are alternate, peltate, petiolate, palmate, toothed, and can be 11.8 in. (30 cm) across.


Is cutleaf burnweed native to the United States?


Describe the fruit of Cytisusstriatus(Hill) Rothm?

C. striatusfruit is a legume, 0.7 to 1.8 in (15-40 mm) long. Fruits are covered with dense white hairs. Each pod contains from about 5-9 seeds.


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


Where can I view images of HouttuyniacordataThunb.?


Is fragrant waterlily native to the United States?


What is the common name of RobiniahispidaL.?


What is the growth habit of tawny daylily?


Where can I view images of Glyceriamaxima(Hartman) Holmb.?


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


Describe the appearance of silverleaf nightshade?

Solanum elaeagnifoliumis a perennial shrub that can grow up to 3 ft. (0.9 m) tall.


Is this plant invasive to the United States?


Where can I view images of formosa firethorn?


Describe the foliage of TamarixchinensisLour.?

Leaves are small, scale-like, gray-green in color, and overlap along the stem. The bark is smooth and reddish on younger plants, turning brown and furrowed with age.


What is the common name of VincamajorL.?


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


Describe the foliage of IpomoeaaquaticaForssk.?

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


What is the scientific name of junglerice?


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


Is EucalyptuscladocalyxF. Muell. native to the United States?


What is the common name of HydrangeapaniculataSieb.?


Is CestrumdiurnumL. 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 RosamultifloraThunb.?

Rosa multiflorais a multistemmed, thorny, perennial shrub that grows up to 15 ft. (4.6 m) tall. The stems are green to red arching canes which are round in cross section and have stiff, curved thorns.


Is musk thistle, nodding thistle native to the United States?


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


Describe the appearance of AgrostisgiganteaRoth?

Agrostis giganteais a perennial grass that makes a coarse turf and grows to 2-3 ft. (0.6-0.9 m) tall.


What is the U.S. Department of Agriculture (USDA) plant symbol for Carissamacrocarpa(Ecklon) A. DC.?


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


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


Is this plant invasive to the United States?


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


Is common saltwort native to the United States?


Where can I view images of SinapisarvensisL.?


Describe the fruit of sweet autumn virginsbower?

Seeds are also showy and production is prolific. Seed heads have long, silvery-gray, feather-like hairs attached.


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


Where can I view images of highbush blackberry?


Describe the fruit of LysimachiavulgarisL.?

The fruits are dry capsules. The seeds of this plant are most likely water-dispersed. However, the main method of dispersal for this plant is via rhizomes.


Does DigitalislanataEhrh. pose any ecological threat?

D. lanatahas been seen to invade open sunny roadsides, yards, grasslands, river bluffs and forest edges where it displaces native vegetation. It tolerates a wide range of sites and conditions.Caution:All parts ofD. lanataare highly toxic to humans, livestock and wildlife. Ingestion of even a small amount may prove fatal. Prolonged exposure to bare skin can also produce adverse reactions.


Is lindley's butterflybush native to the United States?


Where can I view images of perennial sowthistle?


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


What is the scientific name of shining geranium?


Describe the foliage of LeucojumaestivumL.?

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


Does HieraciumpiloselloidesVill. pose any ecological threat?

Hieracium piloselloidesproduces mats of rosettes that dominate sites by out-competing other species for water and nutrients and by releasing alleopathic compounds from their own decaying leaves. They grow well in moist sunny grassy areas, but can tolerate some shade. They are becoming troublesome weeds in native meadows, prairies, pastures and lawns. Wilderness areas in the Pacific Northwest are at risk of invasion.


What is the growth habit of ChenopodiumalbumL?


What is the growth habit of cherry laurel?


Where can I view images of corkystemmed passionflower?


What is the common name of FicariavernaHuds.?


Is this plant invasive to the United States?


Is feathertop native to the United States?


Is MangiferaindicaL. native to the United States?


What is the growth habit of AsparagusaethiopicusL.?


Does halogeton, saltlover pose any ecological threat?

Tissues of this plant accumulate salts from the soil. After a plant dies, these salts leach from the plant material and are deposited onto the topsoil, this favorsHalogeton glomeratusseed germination and establishment. This plant is native to Eurasia and was introduced into the United States in the early 1930s. Preferred habitat includes roadsides, dry lakebeds, shrub lands and other arid and semi-arid regions.


What is the growth habit of ChondrillajunceaL.?


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


Where can I view images of Hieraciumspp.L.?


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


Is woodland groundsel native to the United States?


What is the common name of Depariakaalaana(Copeland) M. Kato?


What is the common name of Colubrinaasiatica(L.) Brongn.?


Describe the fruit of EuphorbiamyrsinitesL?

Each flower produces a bluish-green seed pod that contains 3, 0.13 in. (0.32 cm) long seeds. Seeds are dusty brown with a texture resembling that of a peach pit.


What is the growth habit of Zelkovaserrata(Thunb.) Makino?


Does CynaracardunculusL. pose any ecological threat?

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


What is the growth habit of sticky chickweed?


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

Category 1 (Alabama), Invasive (Delaware), Invasive (North Carolina)


What is the scientific name of exotic swallowwort?


Where can I view images of SymphytumofficinaleL.?


Is LactucasalignaL. native to the United States?


What is the growth habit of CocosnuciferaLinnaeus?


Describe the foliage of yellow bluestem?

Leaves are basal, glaucous, flat, and 1 to 10 in. (2.5-25 cm) long with scattered hairs. Stems are slender, solid, and green turning yellow when mature with brown to purple nodes.


What is the scientific name of governor's plum?


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


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

Potentially Invasive, Prohibited (Connecticut)


Is this plant invasive to the United States?


Is wisteria floribunda x sinensis hybrid native to the United States?