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South America Regional Overview

TABLE 50. ESTIMATED FLORISTIC INVENTORY OF SOUTH AMERICA

Number of species of flowering plants1
Neotropics (excluding temperate South America)

90,000

South America (with 7000 in temperate South America)

81,000

Number of species of pteridophytes2
Neotropics

3500

South America

2000

Number of flowering plant genera1

4200

Number of endemic neotropical families1

c. 25
(+ 8 with 12 spp.
in Africa)

Sources:
1 Gentry 1982a
2 R. Moran, pers. comm.