flora
book or other work which describes the plant species occurring in an area or time period
Flora Danica
book
Flora of the Rocky Mountains
book by Per Axel Rydberg
Flora of North America
book, website, database
A Flora of North America
article
Flora of the Southeastern United States
1903 flora by John Kunkel Small
Flora de Colombia
series of monographs on Colombian flora since 1983
Flora of Tropical East Africa
Multi-volume flora
horticultural flora
ornamental plant identification aid
World Flora Online
online flora for plants
Flora of China
English-language multi-volume book and online database