Cardamine is a large genus of flowering plants in the mustard family, Brassicaceae, known as bittercresses and toothworts. It contains more than 200 species of annuals and perennials. Species in this genus can be found worldwide, except the Antarctic, in diverse habitats. The name Cardamine is derived from the Greek kardamon, cardamom, an unrelated plant in the ginger family, used as a pungent spice in cooking.
Cupressus arizonica, the Arizona cypress, is a North American species of trees in the cypress family. It is native to the southwestern United States, and in Mexico. In the wild, the species is often found in small, scattered populations, not necessarily in large forests. An example occurrence is within the Sierra Juárez and San Pedro Mártir pine-oak forests of Mexico, where it is found along with canyon live oak and California fan palm.
Cardamine hirsuta, commonly called hairy bittercress, is an annual or biennial member of the mustard family (Brassicaceae), and is edible as a bitter herb. It is common in moist areas around the world.
Cardamine bulbosa, commonly called bulbous bittercress, is a perennial plant in the mustard family. It is native to a widespread area of eastern North America, in both Canada and the United States. Its natural habitat is moist soils of bottomland forests and swamps, often in calcareous areas.
Melampyrum lineare, commonly called the narrowleaf cow wheat, is an herbaceous plant in the family Orobanchaceae. It is native to North America, where it is found in southern Canada and the northern United States, with an extension south in the Appalachian Mountains. It has a wide habitat tolerance, but is usually found in drier and somewhat exposed woodlands.
Leonurus sibiricus, commonly called honeyweed or Siberian motherwort, is an herbaceous plant species native to China, Mongolia, and Siberia. It has verticillaster inflorescence. It is naturalized in many other parts of the world, including South, Central and North Americas.
Asarum caudatum is native to rich moist forests of western North America from British Columbia to California and as far east as western Montana. It is an evergreen with flowers that develop from March to August. The flowers are distinct, hirsute (hairy), cup-shaped, and brown-purple to green-yellow which terminate in three, long, gracefully curved lobes, often concealed by leaves. The long rhizomes give rise to persistent reniform leaves. Leaves are found in colonies or clusters as the rhizome spreads, forming mats. The leaves emit a ginger aroma when rubbed.
Eurybia radula, commonly known as the low rough aster or rough wood aster, is an herbaceous perennial in the aster family. It is native to eastern North America where it is present from Newfoundland and Labrador in the far northeast of Canada, west to Ontario and south to Kentucky and Virginia in the United States. The low rough aster is also present on the French overseas territory of St. Pierre and Miquelon just south of Newfoundland. It typically grows in wet soils in a wide variety of habitats from bogs and fens to creek shores to ditches. Although it is not considered threatened over most of its distribution, it is imperiled or possibly extirpated over much of its range in the United States. Its flower heads emerge in the late summer to early fall and show pale blue-violet rays with yellow centres.
Juncus bufonius, known commonly as toad rush, is a widespread flowering plant species complex in the rush family Juncaceae.
Ferocactus cylindraceus is a species of barrel cactus which is known by several common names, including California barrel cactus, Desert barrel cactus, and miner's compass. It was first described by George Engelmann in 1853.
In the central and southern Appalachian Mountains of Eastern North America, a cove is a small valley between two ridge lines that is closed at one or both ends.
Eupatorium album, or white thoroughwort, is a herbaceous perennial plant in the sunflower family native from the eastern and southern United States, from eastern Texas to Connecticut, inland as far as Indiana.
Solidago rugosa, commonly called the wrinkleleaf goldenrod or rough-stemmed goldenrod, is a species of flowering plant in the sunflower family (Asteraceae). It is native to North America, where it is widespread across eastern and central Canada and the eastern and central United States. It is usually found in wet to mesic habitats.
Iris verna, commonly called dwarf violet iris, is a species of herbaceous plant in the iris family (Iridaceae). It is native to the United States, where it is found primarily in the Southeast. It ranges from Maryland, down the eastern coast of the United States to Florida and west to Mississippi, and inland to Kentucky, Tennessee, and Ohio. Its natural habitat is in nutrient-poor acidic soils, in open to semi-shaded woodlands.
Cardamine angustata is a perennial forb native to the eastern United States, that produces white to pink or purple flowers in early spring.
Cardamine douglassii is a perennial forb native to the eastern and central United States as well as the province of Ontario in Canada, that produces white to pink or purple flowers in early spring.
Packera cardamine is a species of flowering plant in the aster family known by the common name bittercress ragwort.
Hexastylis contracta, commonly known as the mountain heartleaf, is a species of flowering plant in the pipevine family.
Phyllanthus abnormis, known as Drummond's leafflower, is an herbaceous plant in the family Phyllanthaceae. It grows from 10 to 50 centimeters in height. It is native to the United States and Mexico (Tamaulipas). Throughout its range, it is always found growing in sand or sandy soil.
Phyllanthus polygonoides, known as smartweed leaf-flower or knotweed leafflower, is an herbaceous perennial plant in the family Phyllanthaceae. It grows from 10 to 50 centimeters in height. It is native to the United States and northern and central Mexico.
