Taxa described in 1756

Cladonia is a genus of lichenized fungi in the family Cladoniaceae. They are the primary food source for reindeer/caribou. Cladonia species are of economic importance to reindeer-herders, such as the Sami in Scandinavia or the Nenets in Russia. Antibiotic compounds are extracted from some species to create antibiotic cream. The light green species Cladonia stellaris is used in flower decorations.

Erythroxylum is a genus of tropical flowering plants in the family Erythroxylaceae. Many of the approximately 200 species contain the tropane alkaloid cocaine, and two of the species within this genus, Erythroxylum coca and Erythroxylum novogranatense, both native to South America, are the main commercial source of cocaine and of the mild stimulant coca tea. Another species, Erythroxylum vaccinifolium (also known as catuaba) is used as an aphrodisiac in Brazilian drinks and herbal medicine. Erythroxylum australe was traditionally used by Aboriginal Australians for rites and other practices.

Coccoloba is a genus of 177 species of flowering plants in the family Polygonaceae, which is native to the Neotropics. There is no overall English name for the genus, although many of the individual species have widely used common names.

Achimenes is a genus of about 25 species of tropical and subtropical rhizomatous perennial herbs in the flowering plant family Gesneriaceae. They have a multitude of common names such as magic flowers, '''widow's tears, Cupid's bower, or hot water plant'''.

thumb|left|Cuphea ignea flowers resemble a tiny burning [[cigar in color, hence the common name "cigar plant"]]