noun, plural floras, florae
1.the plants of a particular region or period, listed by species and considered as a whole.
2.a work systematically describing such plants.
3.plants, as distinguished from fauna.
4.the aggregate of bacteria, fungi, and other microorganisms normally occurring on or in the bodies of humans and other animals:
Origin: 1655-65; Neo-Latin, Latin Flōra the Roman goddess of flowers (used from the 17th cent. in the titles of botanical works), derivative of Latin flōr- (stem of flōs) flower