Floristics is the study of plants of geographical regions. It is a branch of phytogeography. Harvard University has a history of research with early contributions. For example, Asa Gray was a Harvard researcher who studied the plants of North America and its connections to Asia.

The words "floristic" and "floristics" originate from the Latin word Flora, from flos (flower), and the prefix "-istic", a word-forming suffix indicating a relation to or of.