Harperella is a monotypic genus of flowering plants in the family Apiaceae. Its only species is Harperella nodosa, known as piedmont mock bishopweed and harperella. It is native to riparian environments in the Southeastern United States, found at sites in West Virginia, Maryland, several Southeastern states such as Alabama and North Carolina, and the Ouachita National Forest in Arkansas and Oklahoma. As Ptilimnium nodosum, it was placed on the United States' Endangered Species List in 1988.
Ptilimnium is a group of plants in the family Apiaceae described as a genus in 1819. The common name is mock bishopweed or mock bishop's weed. It is endemic to the United States, primarily in the Southeast, the Lower Mississippi Valley, and the Lower Great Plains.
Allium canadense, the Canada onion, Canadian garlic, wild garlic, meadow garlic and wild onion is a perennial plant native to eastern North America from Texas to Florida to New Brunswick to Montana. The species is also cultivated in other regions as an ornamental and as a garden culinary herb. The plant is also reportedly naturalized in Cuba.
Rudbeckia is a plant genus in the Asteraceae or composite family. Rudbeckia flowers feature a prominent, raised central disc in black, brown shades of green, and in-between tones, giving rise to their familiar common names of coneflowers and black-eyed-susans. All are native to North America, and many species are cultivated in gardens for their showy yellow or gold flower heads that bloom in mid to late summer.
Anthriscus sylvestris, known as cow parsley, wild chervil, wild beaked parsley, Queen Anne's lace or keck, is a herbaceous biennial or short-lived perennial plant in the family Apiaceae (Umbelliferae), genus Anthriscus. It is also sometimes called mother-die, a name that is also applied to the common hawthorn. It is native to Europe, western Asia and northwestern Africa. It is related to other diverse members of Apiaceae, such as parsley, carrot, hemlock and hogweed. It is often confused with Daucus carota, another member of the Apiaceae also known as "Queen Anne's lace" or "wild carrot".
Berula is a cosmopolitan genus of flowering plants in the family Apiaceae, whose species are known as water parsnips, as are some other plants in Apiaceae such as Sium latifolium and Sium suave. It is easily confused with the highly toxic water hemlock.
Allium cernuum, known as nodding onion or lady's leek, is a perennial plant in the genus Allium. It grows in open areas in North America.
Erigenia bulbosa, also known as harbinger of spring or pepper and salt, is a flowering perennial plant in the family Apiaceae. E. bulbosa is the only species in the genus Erigenia and tribe Erigenieae. This plant is known as harbinger of spring because it is one of the earliest blooming native wildflowers of rich forests in the mid-latitude United States. Throughout most of its range it blooms from late February through early April.
Persicaria virginiana, also called jumpseed, Virginia knotweed or woodland knotweed is a North American species of smartweed within the buckwheat family. It is unusual as a shade-tolerant member of a mostly sun-loving genus. Jumpseed is a perennial, named for its seeds which can "jump" several feet when a ripe seedpod is disturbed.
Eupatorium altissimum, with the common names tall thoroughwort and tall boneset, is a perennial herbaceous plant in the Asteraceae family with a native range including much of the eastern and central United States and Canada. It is a tall plant found in open woods, prairies, fields, and waste areas, with white flowers that bloom in the late summer and fall.
Eupatorium album, or white thoroughwort, is a herbaceous perennial plant in the family Asteraceae native from the eastern and southern United States, from eastern Texas to Connecticut, inland as far as Indiana.
Zizia aurea is a flowering herbaceous perennial plant of the carrot family Apiaceae. It is native to eastern Canada and the United States, from the eastern Great Plains to the Atlantic Coast. It is named for Johann Baptist Ziz, a German botanist.
Helianthus occidentalis, the fewleaf sunflower or western sunflower, is a species of sunflower native to the Eastern and Central United States. It grows mostly in the Great Lakes Region and in the Ozarks, with additional populations scattered as far as Massachusetts, Texas, and the Florida Panhandle.
Allium stellatum, commonly known as the autumn onion, prairie onion, cliff onion, or glade onion, is a North American species of wild onion in the Amaryllidaceae family that is native to central Canada and the central United States.
Osmorhiza longistylis, commonly called long-styled sweet-cicely or longstyle sweetroot, is an herbaceous plant in the family Apiaceae. It is native to North America, where it is found from the Rocky Mountains east to the Atlantic Coast, in Canada and the United States. Its natural habitat is in forests with fertile soil, often in areas of loam and dappled sunlight. It can be found in areas of high or average quality natural communities, and does not tolerate intense disturbance.
Asclepias hirtella, commonly called the tall green milkweed, is a species of flowering plant in the milkweed genus and dogbane family (Apocynaceae). It is native to Canada and the United States, where its range is concentrated in the Midwest and Upper South.
Ammoselinum butleria, commonly called the Butler's sandparsley, is a species of flowering plant in the carrot family (Apiaceae). It is native to North America, where it is found primarily in the South Central United States. It is most often found in disturbed sandy areas, including lawns. Its range has expanded eastward in recent times, leading some authorities to consider populations east of the Mississippi River to be non-native.
Tragia betonicifolia, commonly called betonyleaf noseburn, is a species of flowering plant in the spurge family (Euphorbiaceae). It is native to North America, where it is primarily found in the South-Central region of the United States extending north into Kansas and Missouri, with disjunct populations east in Tennessee. Its typical natural habitat is dry areas with sandy or rocky soil, in glades, prairies, bluffs, and dry woodlands.
Thaspium trifoliatum, commonly called meadow-parsnip or purple meadow-parsnip is a species of flowering plant in the carrot family (Apiaceae). It is native to eastern North America where it is found in many eastern U.S states and in Ontario, Canada. It has a broad natural habitat, which includes mesic to dry forests and woodlands, prairies, bluffs, and rock outcrops.
Ptilimnium capillaceum, known by the common name of herbwilliam, is a member of the carrot family, Apiaceae. It is a perennial herb, native to the eastern United States, from Texas to Massachusetts.
