Aristida oligantha is a species of grass known by the common names prairie threeawn and oldfield threeawn.
Aristida portoricensis is a rare species of grass known by the common name pelos del diablo. It is endemic to Puerto Rico, where it is known from two locations, one in a residential area of Mayagüez and one in the Sierra Bermeja. Two other known sites have been extirpated by development of the habitat. It is a federally listed endangered species of the United States.
Dicerandra cornutissima is a rare species of flowering plant in the mint family known by the common name longspurred mint, longspurred balm, and Robin's mint. It is endemic to Florida in the United States. It is found in Marion County, and possibly Sumter County, but it may have been totally extirpated from the latter. There are 15 known occurrences remaining. The plant was federally listed as an endangered species in 1985.
Euphorbia telephioides is a rare species of euphorb known by the common name Telephus spurge. It is endemic to Florida in the United States, where it is known only from three counties in the Panhandle. It is a federally listed threatened species of the United States.
Lysimachia asperulifolia is a rare species of flowering plant in the Primulaceae known by the common name rough-leaved loosestrife and roughleaf yellow loosestrife. It is endemic to the Atlantic coastal plain in North Carolina and northern South Carolina in the United States, where there are 64 known populations. It is a federally listed endangered species of the United States.
Macbridea alba is a rare species of flowering plant in the mint family known by the common name white birds-in-a-nest. It is endemic to Florida in the United States, where it is found in four counties in the Florida Panhandle. It is threatened by the loss and degradation of its habitat, and it is federally listed as a threatened species of the United States.
Pinguicula ionantha is a rare species of flowering plant in the butterwort family known by the common names Godfrey's butterwort and violet butterwort. It is endemic to the US state of Florida, where it only occurs in the central Florida Panhandle. It is threatened by the loss of its habitat, and it is a federally listed threatened species of the United States.
Scutellaria floridana, the Florida skullcap, is a rare species of flowering plant. It is endemic to Florida in the United States, where it is known only from the Florida Panhandle. It is threatened by a number of human activities and its small population sizes make it vulnerable. It is a federally listed threatened species.
Warea amplexifolia is a rare species of flowering plant in the mustard family known by the common names wideleaf pinelandcress, wide-leaf warea, and clasping warea. It is endemic to Florida in the United States, where it is limited to a few counties in the central part of the peninsula. It is threatened by the loss and degradation of its habitat. It is a federally listed endangered species of the United States.
Digitaria pauciflora is a species of grass known by the common names twospike crabgrass, Florida pineland crabgrass, Everglades grass, few-flowered fingergrass, and particular grass. It is endemic to Florida in the United States, where it is found only in the Everglades.
Parnassia caroliniana is a species of flowering plant in the Celastraceae known by the common name Carolina grass of Parnassus. It is native to the southeastern United States, where it occurs in North Carolina and South Carolina, with an isolated population in the Florida Panhandle.
Poa paludigena is a species of grass known by the common names bog bluegrass, marsh bluegrass, slender marsh bluegrass, and Patterson's bluegrass. It is native to the northeastern United States.
Amphicarpum muehlenbergianum is a species of grass known by the common names blue maidencane, Muhlenberg maidencane, and goobergrass. It is native to the southeastern United States.
Panicum abscissum is a species of grass known by the common name cutthroat grass. It is endemic to Florida in the United States. It is limited to five counties in the central Florida peninsula.
Paspalum floridanum is a species of grass known by the common name Florida paspalum. It is native to the eastern United States.
Paspalum vaginatum is a species of grass known by many names, including seashore paspalum, biscuit grass, saltwater couch, silt grass, and swamp couch. It is native to the Americas, where it grows in tropical and subtropical regions. It is found throughout the other tropical areas of the world, where it is an introduced species and sometimes an invasive weed. It is also cultivated as a turfgrass in many places.
Spartina spartinae is a species of grass known by the common names gulf cordgrass and sacahuista. It is native to the Americas, where it occurs from the Gulf Coast of the United States south to Argentina.
Nemastylis floridana is a species of flowering plant in the family Iridaceae known by the common names Florida celestial, fallflowering pleatleaf, and fallflowering ixia. It is endemic to Florida in the United States, where it faces many threats to its existence, but so far remains viable.
Alysicarpus vaginalis is a species of flowering plant in the legume family, Fabaceae. It is native to parts of Africa and Asia, and it has been introduced to other continents, such as Australia and the Americas. It is cultivated as a fodder for livestock, for erosion control, and as a green manure. Common names include alyce clover, buffalo clover, buffalo-bur, one-leaf clover, and white moneywort.
Stachys floridana is a species of betony in the mint family, Lamiaceae. It is native to the United States, where its true native range is probably limited to Florida, but today it is known throughout the Southeast as an introduced species and common weed. It occurs as far west as Texas, and it has been recorded in California. Its common names include Florida betony, Florida hedgenettle, and rattlesnake weed. It has been called wild artichoke, but it is not closely related to artichoke. The plant was the Florida Department of Agriculture's "Weed of the Month" for February 2010.
