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 ' (flower), and the prefix "'", a word-forming suffix indicating a relation to or of.