Lycopodium clavatum is the most widespread species in the genus Lycopodium in the clubmoss family.
Sagittaria latifolia is a plant found in shallow wetlands and is sometimes known as broadleaf arrowhead, duck-potato, Indian potato, or wapato. This plant produces edible tubers that have traditionally been extensively used by Native Americans.
Echinodorus berteroi is an aquatic plant species in the Alismataceae It is native to the southern and central parts of the United States, as well as Central America, the West Indies, and South America as far south as Argentina.
Restrepiella ophiocephala, commonly called the Snake's head restrepiella is an epiphytic orchid native to Mexico, Central America, Colombia, and Florida. The epithet ophiocephala is derived from the Greek words ὄφις, ophis (snake) and κεφαλή, kephalē (head).
Dioscorea mexicana, Mexican yam or cabeza de negro is a species of yam in the genus Dioscorea.
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.
Spermacoce or false buttonweed is a genus of flowering plants in the family Rubiaceae. It comprises about 275 species found throughout the tropics and subtropics. Its highest diversity is found in the Americas, followed by Africa, Australia and Asia.
Halodule wrightii is an aquatic plant in the Cymodoceaceae family. It is referred to by the common names shoal grass or shoalweed, and is a plant species native to seacoasts of some of the warmer oceans of the world.
Yucca thompsoniana, the Thompson's yucca, is a plant in the family Asparagaceae, native to Texas, Chihuahua and Coahuila. Other names for the plant include Beaked yucca, Soyate and Palmita.
Yucca aloifolia is the type species for the genus Yucca. Common names include aloe yucca, dagger plant, and Spanish bayonet. It grows in sandy soils, especially on sand dunes along the coast.
Agave gracilipes, common names Maguey de pastizal or slimfoot century plant, is a plant species native to western Texas, southern New Mexico and Chihuahua. It is found in grasslands, desert scrub and open pinyon-juniper woodlands at elevations of 1,200 to 1,900 m.
Bletia purpurea, common name pine-pink or sharp-petaled bletia, is a species of orchid widespread across much of Latin America and the West Indies, and also found in Florida. They are terrestrial in swamps or sometimes found growing on logs or stumps above the high tide mark.
Burmannia is a genus of flowering plants long thought of as related to orchids, although more recent studies suggest closer affinities with either the Dioscoreales or the Melanthiales. The plants are herbs, partially autotrophic (photosynthetic) but also partially parasitic on soil fungi.
Parietaria floridana, common name Florida pellitory, is a plant species native to the southeastern United States, the West Indies, and much of Latin America. In the US, the heart of its range extends from Florida, to Georgia and North and South Carolina, with isolated populations reported in Mississippi, Louisiana, Texas, New Hampshire, Kentucky and Delaware. Some populations in California have in the past been referred to as P. floridana but are now regarded as a separate species, P. hespera.
Phaulothamnus is a genus of plants formerly included in the family Phytolaccaceae but now considered a part of the Achatocarpaceae.
Iresine heterophylla, or Standley's bloodleaf, is a plant species native to the southwestern United States and also to Mexico. It has been collected from Arizona, New Mexico, Texas, Chihuahua, Sonora, Durango, Coahuila, Nuevo León, Campeche and Tabasco.
Burmannia biflora, common name northern bluethread, is a plant species native to Cuba, the Bahamas and to the southeastern United States. It has been reported from Puerto Rico, eastern Texas, Louisiana, southwestern Arkansas, southern Mississippi, southern Alabama, Florida, Georgia, South Carolina, North Carolina and southeastern Virginia.
Cirsium texanum is a species of plants in the tribe Cardueae within the family Asteraceae found in North America. Common names include Texas thistle, Texas purple thistle or southern thistle. The species is native to northern Mexico and the southern Great Plains of the south-central United States. It grows in prairies and roadsides.
Egletes viscosa, the erect tropical daisy, is a New World species of flowering plant in the family Asteraceae. It is widespread across much of South America, Central America, Mexico, and the West Indies, just barely crossing the US border into the southernmost county in Texas.
Sesuvium maritimum is an annual herbaceous plant native to southeastern North America in the family Aizoaceae. This species is commonly known as the annual or slender sea purslane or Puerto Rico Sea-purslane. It can be found on sandy beaches, salt marshes, or other coastal regions.
