Divisions
According to Armen Takhtajan, Robert F. Thorne, and other geobotanists, the territory of the United States (including Hawaii and Alaska) is divided between three floristic kingdoms, six floristic regions and twelve floristic provinces, characterized by a certain degree of endemism:
- Holarctic Kingdom
- Circumboreal Region
- Arctic Province
- Canadian Province
- North American Atlantic Region
- Appalachian Province
- Atlantic and Gulf Coastal Plain Province
- North American Prairies Province
- Rocky Mountain Region
- Vancouverian Province
- Rocky Mountain Province
- Madrean Region
- Great Basin Province
- Californian Province
- Sonoran Province
- Circumboreal Region
- Neotropical Kingdom
- Caribbean Region
- West Indian Province
- Caribbean Region
- Paleotropic Kingdom
- Hawaiian Region
- Hawaiian Province
- Hawaiian Region
Read more about this topic: Flora Of The United States
Famous quotes containing the word divisions:
“I find myself ... hoping a total end of all the unhappy divisions of mankind by party-spirit, which at best is but the madness of many for the gain of a few.”
—Alexander Pope (1688–1744)
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—Conor Cruise O’Brien (b. 1917)