Smilax is a genus of about 300–350 species, found in the tropics and subtropics worldwide. In China for example about 80 are found, while there are 20 in North America north of Mexico. They are climbing flowering plants, many of which are woody and/or thorny, in the monocotyledon family Smilacaceae, native throughout the tropical and subtropical regions of the world. Common names include catbriers, greenbriers, prickly-ivys and smilaxes. Sarsaparilla is a name used specifically for the Neotropical S. ornata as well as a catch-all term in particular for American species. Occasionally, the non-woody species such as the smooth herbaceous greenbrier are separated as genus Nemexia; they are commonly known by the rather ambiguous name carrion flowers.
Smilax rotundifolia, also known as roundleaf greenbrier or common greenbrier, is a woody vine native to the southeastern and eastern United States and eastern Canada. It is a common and conspicuous part of the natural forest ecosystems in much of its native range. The leaves are glossy green, petioled, alternate, and circular to heart-shaped. They are generally 5–13 cm long. Common greenbrier climbs other plants using green tendrils growing out of the petioles.
Aralia nudicaulis is a flowering plant of northern and eastern North America which reaches a height of 30–60 cm (12–24 in) with creeping underground stems.
Senna hebecarpa, with the common names American senna and wild senna, is a species of legume native to eastern North America.
Viburnum nudum is a deciduous shrub in the genus Viburnum within the muskroot family, Adoxaceae.
Solidago rugosa, commonly called the wrinkleleaf goldenrod or rough-stemmed goldenrod, is a species of flowering plant in the 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.
Sagittaria cuneata is a species of flowering plant in the water plantain family known by the common name arumleaf arrowhead or duck potato. Like some other Sagittaria species, it may be called wapato. It is native to much of North America, including most of Canada as well as the western and northeastern United States.
Aristolochia serpentaria is a species of perennial flowering plant in the Aristolochiaceae (birthwort) family. The species is commonly known as Virginia snakeroot and is native to eastern North America, from Connecticut to southern Michigan and south to Texas and Florida.
Smilax bona-nox, the saw greenbrier, is a species of plant in the family Smilacaceae. It is native to the Southern United States, and eastern Mexico.
Symphyotrichum prenanthoides is a species of flowering plant in the family Asteraceae known by the common name crookedstem aster. It is native to northcentral and northeastern North America.
Viola selkirkii is a species of violet known by the common names Selkirk's violet and great-spur violet. It is native throughout the Northern Hemisphere, its distribution circumboreal.
Asclepias viridiflora, is commonly known as green comet milkweed, green-flower milkweed, and green milkweed. It is a widely distributed species of milkweed (Asclepias), known from much of the eastern and central United States from Connecticut to Georgia to Arizona to Montana, as well as southern Canada. The Latin specific epithet viridiflora means green-flowered.
Malaxis bayardii, or Bayard's adder's-mouth orchid, is a species of orchid native to northeastern North America. It is found from Massachusetts to North Carolina, with isolated populations in Ohio and Nova Scotia. There are historical reports of the plant formerly growing in Vermont and New Jersey, but it seems to have been extirpated in those two states It grows in dry, open woods and pine barrens at elevations of less than 600 m.
Smilax maritima is a North American species of plants native to the south-eastern United States from Texas to North Carolina.
Smilax walteri, common names coral greenbrier, red-berried greenbrier or red-berried bamboo, is a North American species of plants found only in the United States. It is native to coastal plains in the south-central, southeastern, and east-central parts of the country, from eastern Texas to New Jersey.
Bidens eatonii is a North American species of flowering plant in the family Asteraceae. It is native to eastern Canada and the northeastern United States.
Solidago latissimifolia, common name Elliott's goldenrod, is North American species of flowering plants in the family Asteraceae. It is native to the Atlantic Coast of the United States and Canada, from Nova Scotia south to Alabama and Florida.
Asclepias variegata, commonly called the redring milkweed or white milkweed, is a plant in the family Apocynaceae. It is native to eastern North America, where it is found in Canada and the United States. It is most common in the Southeastern United States, and becomes rare in the northern edge of its range.
Carex crawfordii, common name Crawford sedge, is a species of Carex native to North America.
