Plants of Arkansas Headwaters Recreation Area

Erigeron speciosus is a widespread North American species of flowering plants in the daisy family known by the common name showy fleabane and aspen fleabane. It has been found in western Canada and the United States, from Alberta and British Columbia south as far as Arizona and New Mexico, with some isolated populations in the State of Baja California in Mexico. less ↑

Senecio spartioides is a species of flowering plant in the aster family known by the common name broomlike ragwort. It is native to the western United States as far east as the Dakotas and Texas, and northern Mexico. It can be found in dry, rocky, often disturbed areas in a number of habitat types. It is a subshrub which can exceed a meter in height, its arching stems growing from a woody-topped taproot. The leaves are... less ↑

Ambrosia trifida, the giant ragweed, is a species of flowering plant in the sunflower family. It is native to North America, where it is widespread in Canada, the United States, and northern Mexico. It is present in Europe and Asia as an introduced species, and it is known as a common weed in many regions. Its common names include great ragweed, Texan great ragweed, giant ragweed, tall ragweed, blood ragweed, perennial ragweed, hor less ↑

Rudbeckia hirta, black-eyed Susan, is a species of flowering plant in the family Asteraceae, native to the central United States. It is one of a number of plants with the common name black-eyed Susan. Other common names for this plant include: brown-eyed Susan, brown Betty, gloriosa daisy, golden Jerusalem, Poorland daisy, yellow daisy, and yellow ox-eye daisy. less ↑

The sunflower (Helianthus annuus) is an annual plant native to the Americas. It possesses a large inflorescence (flowering head), and its name is derived from the flower's shape and image, which is often used to capture the sun. The plant has a rough, hairy stem, broad, coarsely toothed, rough leaves, and circular flower heads. The heads consist of many individual flowers which mature into seeds, often in the hundreds, on a receptacle base. From the Americas,... less ↑

Helianthus petiolaris is a North American plant species in the sunflower family, commonly known as the prairie sunflower or lesser sunflower. Naturalist and botanist Thomas Nuttall was the first to describe the prairie sunflower in 1821. The word petiolaris in Latin means, “having a petiole”. The species originated in Western United States, but has since expanded east. The prairie sunflower is sometimes considered a weed. less ↑

The Jerusalem artichoke (Helianthus tuberosus), also called sunroot, sunchoke, earth apple or topinambour, is a species of sunflower native to eastern North America, and found from eastern Canada and Maine west to North Dakota, and south to northern Florida and Texas. It is also cultivated widely across the temperate zone for its tuber, which is used as a root vegetable. less ↑

Chaenactis douglasii is a species of flowering plant in the daisy family known by the common name Douglas' dustymaiden. It is native to western North America from British Columbia to Saskatchewan to California to New Mexico, where it grows in a wide variety of habitats, including harsh environments such as rock fields in alpine climates in the Sierra Nevada, and disturbed areas such as roadsides. less ↑

Erodium cicutarium, also known as redstem filaree, redstem stork's bill, common stork's-bill or pinweed, is a herbaceous annual – or in warm climates, biennial – member of the family Geraniaceae of flowering plants. It is native to the Mediterranean Basin and was introduced to North America in the eighteenth century, where it has since become invasive, particularly of the deserts and arid grasslands of the southwestern United States. less ↑

Toxicodendron rydbergii the western poison ivy, is a species of Toxicodendron in the cashew family. It is native to most of Canada from the Maritimes to British Columbia, and most of the contiguous United States except the southeastern states, New Jersey, Delaware, and California. It can be found growing in forests, and other wooded areas, usually near streams and rivers. less ↑

Quercus gambelii, or Gambel oak, is a deciduous small tree or large shrub that is widespread in the foothills and lower mountain elevations of the central southwestern United States and northwestern Mexico. Its range is centered on the states of Utah, Colorado, Arizona and New Mexico, but also extends into Nevada, Wyoming, South Dakota, Kansas, Oklahoma and west Texas. In Mexico, it is mostly confined to northern Sonora and Chihuahua. Gambel oak typically grows at altitudes... less ↑

Betula occidentalis (Water Birch, also known as Red Birch) is a species of birch native to western North America, in Canada from Yukon east to western Ontario and southwards, and in the United States from eastern Washington east to western North Dakota, and south to eastern California, northern Arizona and northern New Mexico, and southwestern Alaska. It typically occurs along streams in mountainous regions. It is the only native birch found at low altitudes in the... less ↑

Verbena bracteata is a species of verbena known by the common names bigbract verbena, prostrate vervain, and carpet vervain. It is native to North America where it is widespread, occurring throughout the continent except for northern Canada and southern Mexico. It occurs in many types of habitat, especially disturbed areas, where it grows as a common weed; it typically blooms between the months of May and October. This annual or biennial herb produces several hairy, spreading... less ↑

Veronica peregrina is a species of flowering plant in the plantain family known by several common names including neckweed, American speedwell, purslane speedwell and hairy purslane speedwell. It is native to the Americas, and is known on other continents as an introduced species and a common weed. It can be weedy in its native range as well, growing on roadsides, on fields, and in other disturbed habitat. It is an annual herb growing from a taproot.... less ↑

Veronica anagallis-aquatica is a species of flowering plant in the plantain family Plantaginaceae known by the common names water speedwell, blue water-speedwell, and brook pimpernel. Its true native range is not clear, but the plant is present on most continents, and in most places it is probably naturalized. It occurs in many types of moist and wet habitat, and it is semi-aquatic, often growing in shallow water along streambanks, in ponds, and in other wetland less ↑

Plantago patagonica is a species of plantain known by the common name woolly plantain. It is native to much of North America, including the southern half of Canada, the western and central United States, and northern Mexico, and parts of southern South America. It grows in many types of habitat, including grassland and woodlands. It is a hairy annual herb producing linear or very narrowly lance-shaped basal leaves up to 10 centimeters long. There are usually... less ↑

Argemone polyanthemos (crested pricklypoppy) is an annual plant with yellow sap and showy white flowers in the poppy family (Papaveraceae).:63 It can be found in areas with dry soil in most of the North American southwest.:63 Because of its prickly defenses, and acrid taste from its poisons, grazing animals tend to avoid it, so it increases in numbers compared to other plants in grazed areas.:63 less ↑

Clematis ligusticifolia is a climbing, spreading vine with showy flowers. It is also known as Old-man's Beard and Yerba de Chiva, and Virgin's bower, (though Old-man's Beard may also refer to C. vitalba, and Virgin's bower may also refer to C. lasiantha). It is native to North America where it is widespread across the western United States in streamside thickets, wooded hillsides, and coniferous forests up to 4,000 feet. less ↑

Convolvulus arvensis (field bindweed) is a species of bindweed in the morning glory family (Convolvulaceae), native to Europe and Asia. It is a climbing or creeping herbaceous perennial plant growing to 0.5–2 m high. The leaves are spirally arranged, linear to arrowhead-shaped, 2–5 cm long and alternate, with a 1–3 cm petiole. The flowers are trumpet-shaped, 1-2.5 cm diameter, white or pale pink, with five slightly darker pink radial stripes. Flowering occurs in the mid-summer, when white to pale... less ↑

Symphoricarpos rotundifolius is a species of flowering plant in the honeysuckle family known by the common name roundleaf snowberry. It is native to the western United States from California to Idaho to Texas, where it grows in many types of habitat. It is an erect, spreading, or trailing shrub often exceeding meter in height with many stiff branches. Older woody parts are covered in shreddy bark and smaller, newer twigs are coated in fuzzy hairs. The... less ↑

Dipsacus fullonum, syn. Dipsacus sylvestris, is a species of flowering plant known by the common names Fuller's teasel and wild teasel. It is native to Eurasia and North Africa, but it is known in the Americas, southern Africa, Australia and New Zealand as an introduced species and often a noxious weed. The inflorescence is a cylindrical array of lavender flowers which dries to a cone of spine-tipped hard bracts. It may be 10 centimeters long. D. fullonum... less ↑

Cicuta douglasii (Western water hemlock) is a poisonous plant in the family Apiaceae. It is a perennial plant that grows in wet places such as marshes, stream banks, slough margins, ditches, meadows, and wet pastures. The roots of this plant are thick and tuberous, with many smaller tubers coming from the main tuber. This root structure allows the water hemlock to adapt and survive wet conditions. Water hemlock is most abundant in British Columbia, and is... less ↑

Heracleum maximum, cow parsnip (also known as Indian celery, Indian rhubarb or pushki) is the only member of the genus Heracleum native to North America. Its classification has caused some difficulty, with recent authoritative sources referring to it variously as Heracleum maximum or Heracleum lanatum, or as either a subspecies, H. sphondylium subsp. montanum, or a variety, H. sphondylium var. lanatum, of t less ↑

Heracleum sphondylium, commonly known as hogweed, common hogweed or cow parsnip, is a herbaceous perennial or biennial plant, in the umbelliferous family Apiaceae that includes fennel, cow parsley, ground elder and giant hogweed. It is native to Europe and Asia. The common name eltrot may also be applied, but is not specific to this species. Umbelliferous plants are so named because of the umbrella-like arrangement of flowers they produce. The North Ameri less ↑

Sphaeralcea coccinea (Scarlet Globemallow) is a perennial plant growing 10–30 cm tall from spreading rhizomes with a low habit. They have grayish stems with dense, star-shaped hairs and alternately arranged leaves. The leaf blades are 2–5 cm long, palmately shaped, and deeply cut, with 3–5 main wedge-shaped segments. The undersides of the leaves have gray hairs. The 2-cm-wide flowers are reddish-orange and saucer-shaped, with 5 notched, broad petals, in small terminal clusters. Plants flower from May to October.... less ↑

Hibiscus trionum, commonly called flower-of-an-hour, bladder hibiscus, bladder ketmia, bladder weed, flower-of-the-hour, modesty, puarangi, shoofly, and venice mallow, is an annual plant native to the Old World tropics and subtropics. It has spread throughout southern Europe both as a weed and cultivated as a garden plant. It has been introduced to the United States as an ornamental where it has become naturalized as a w less ↑

Salix exigua (sandbar willow, narrowleaf willow, or coyote willow; syn. S. argophylla, S. hindsiana, S. interior, S. linearifolia, S. luteosericea, S. malacophylla, S. nevadensis, and S. parishiana) is a species of willow native to most of North America except for the southeast and far north, occurring from Alaska east to New Brunswick, and south to northern Mexico. less ↑

Lithospermum incisum is a species of flowering plant in the borage family known by several common names, including narrowleaf stoneseed, fringed gromwell, narrowleaf puccoon, and plains stoneseed. It is native to much of central Canada and the United States, where it is known from many types of habitat. It is a hairy perennial herb growing from a taproot and woody caudex. It produces a cluster of stems up to about 30 centimeters long. The stems are... less ↑

Tribulus terrestris is a flowering plant in the family Zygophyllaceae, native to warm temperate and tropical regions of the Old World in southern Europe, southern Asia, throughout Africa, and Australia. It can thrive even in desert climates and poor soil. Like many weedy species, this plant has many common names, including bindii,bullhead,burra gokharu, caltrop,cat's head,devil's eyelashes,devil's thorn,devil's weed,goathead,puncturevine, and tackweed. less ↑

Alyssum desertorum is a species of flowering plant in the mustard family known by the common name desert madwort. It is native to Europe and Asia, and it is found in parts of western North America as an introduced species and sometimes a weed. This is a hairy annual herb producing upright stems up to about 20 centimeters tall. It produces small yellowish flowers and round, notched fruits a few millimeters long. The seeds are winged... less ↑

Rorippa sinuata is a species of flowering plant in the mustard family known by the common name spreading yellowcress. It is native to North America, including most all of the western and central United States, where it grows in many types of moist and wet habitat, such as lakeshores and riverbanks, meadows, and mudflats. It is a perennial herb producing spreading stems up to 40 or 50 centimeters long. It is densely hairy, the hairs rounded... less ↑

Descurainia pinnata is a species of flowering plant in the mustard family known by the common name western tansymustard. It is native to North America, where it is widespread and found in varied habitats. It is especially successful in deserts. It is a hardy plant which easily becomes weedy, and can spring up in disturbed, barren sites with bad soil. This is a hairy, heavily branched, mustardlike annual which is quite variable in appearance. There are... less ↑

Sisymbrium altissimum is a species of Sisymbrium. The plant is native to the western part of the Mediterranean Basin in Europe and Northern Africa and is widely naturalized throughout most of the world, including all of North America. It was probably introduced into North America by a contaminant crop seed. The plant grows in soils of all textures, even sand. The plant germinates in winter or early spring. The blooming time is lengthy, and after maturity... less ↑

Cleome serrulata (syn. Peritoma serrulata) is a species of Cleome native to western North America from southern British Columbia, east to Minnesota and Illinois, and south to New Mexico and northernmost California. It is also naturalized farther east in North America. Its common names include Rocky Mountain beeplant, stinking-clover,bee spider-flower,skunk weed, and Navajo spinach. less ↑

Polanisia dodecandra is a species of flowering plant in the Cleome family, Cleomaceae, known by the common name redwhisker clammyweed, or simply clammyweed, although there are other Polanisia species called clammyweed. It is an annual plant that is found in many types of habitat throughout much of Canada and the United States. It can be found elsewhere as an introduced species. less ↑

Ribes aureum, known by the common names golden currant, clove currant, pruterberry and buffalo currant, is a species in the genus Ribes. It is native to Canada, most of the United States (except the southeast) and northern Mexico. The variety Ribes aureum var. villosum is sometimes considered a full species, Ribes odoratum. less ↑

Ribes cereum is a species of currant known by the common names wax currant and squaw currant (R. c. var. pedicellare is known as whisky currant). It is native to western North America, including British Columbia and much of the western United States, where it grows in several types of habitat, including mountain forests in alpine climates, sagebrush, and woodlands. It can grow in many types of soils, including sandy and clay substrates, serpentine soils, and... less ↑

Ribes montigenum is a species of currant known by the common names mountain gooseberry, alpine prickly currant, western prickly gooseberry,and gooseberry currant. It is native to western North America from Washington south to California and east as far as the Rocky Mountains, where it grows in high mountain habitat types in subalpine and alpine climates, such as forests and talus. It is a spreading shrub growing up to 1.5 meters (5 feet) tall, the branchi less ↑

Carex aquatilis is a species of sedge known by the common names water sedge and leafy tussock sedge. It has a circumboreal distribution, occurring throughout the northern reaches of the Northern Hemisphere. It grows in many types of mountainous and Arctic habitat, including temperate coniferous forest, alpine meadows, tundra, and wetlands. There are several varieties of this species, and it is somewhat variable in appearance. It produces triangular stems reaching heights between 20 centimeters and 1.5... less ↑

Carex emoryi, the Riverbank tussock sedge or Emory's sedge, is a very attractive and functional native plant for stormwater applications. It thrives with alternating cycles of wet and dry, making it ideal for vegetated swales and infiltration basins. Native to much of the Mid-Atlantic and Midwest, C. emoryi was first separated from similar species of Carex by botanists in the early part of the 20th century. Bluish green shoots appear in late March in Zone 6,... less ↑