Floristic province
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A floristic province is a geographic area with a relatively uniform composition of plant species. Adjacent floristic provinces do not usually have a sharp boundary, but rather a soft one, a transitional area in which many species from both regions overlap. The region of overlap is called a vegetation tension zone.
- 1 Explanation
- 2 Floristic kingdoms
- 3 Takhtajan's floristic provinces
- 3.1 Holarctic Kingdom
- 3.1.1 I. Circumboreal Region
- 3.1.2 II. Eastern Asiatic Region
- 3.1.3 III. North American Atlantic Region
- 3.1.4 IV. Rocky Mountain Region
- 3.1.5 V.
- 3.1.6 VI. Mediterranean Region
- 3.1.7 VII. Saharo-Arabian Region
- 3.1.8 VIII. Irano-Turanian Region
- 3.1.9 IX. Madrean Region
- 3.2 Paleotropical Kingdom
- 3.2.1 X. Guineo-Congolian Region
- 3.2.2 XI. Usambara-Zululand Region
- 3.2.3 XII. Sudano-Zambezian Region
- 3.2.4 XIII. Karoo-Namib Region
- 3.2.5 XIV. St.Helena and Ascension Region
- 3.2.6 XV.
- 3.2.7 XVI. Indian Region
- 3.2.8 XVII. Indochinese Region
- 3.2.9 XVIII.
- 3.2.10 XIX. Fijian Region
- 3.2.11 XX. Polynesian Region
- 3.2.12 XXI. Hawaiian Region
- 3.2.13 XXII. Neocaledonian Region
- 3.3
- 3.3.1 XXIII. Caribbean Region
- 3.3.2 XXIV. Region of the Guayana Highlands
- 3.3.3 XXV. Amazonian Region
- 3.3.4 XXVI. Brazilian Region
- 3.3.5 XXVII. Andean Region
- 3.4 South African Kingdom
- 3.5 Australian Kingdom
- 3.5.1 XXIX. Northeast Australian Region
- 3.5.2 XXX. Southwest Australian Region
- 3.5.3 XXXI. Central Australian or Eremaean Region
- 3.6 Antarctic Kingdom
- 3.6.1 XXXII. Fernandezian Region
- 3.6.2 XXXIII. Chile-Patagonian Region
- 3.6.3 XXXIV. Region of the South Subantarctic Islands
- 3.6.4 XXXV. Neozeylandic Region
- 4 External references
Explanation
Several systems of floristic provinces have been devised. Most systems are organized hierarchically, with the largest units subdivided into smaller geographic areas, which are made up of smaller floristic communities, and so on. Systems of floristic provinces have both significant similarities and differences with zoogeographic provinces, which follow the composition of mammal families, and with biogeographical provinces or terrestrial ecoregions, which take into account both plant and animal species.
Floristic kingdoms
Botanist Ronald Good identified six floristic kingdoms (boreal, Neotropical, Paleotropical, South African, Australian, and Antarctic), the largest natural units he determined for flowering plants. Good's six kingdoms are subdivided into smaller units, called provinces. The Paleotropical kingdom is divided into three subkingdoms, which are each subdivided into floristic provinces. Each of the other five kingdoms are subdivided directly into provinces. There is a total of 37 floristic provinces. Almost all provinces are further subdivided into floristic regions.
Armen Takhtajan, in a widely used scheme that builds on Good's work, identified thirty-five floristic regions, each of which is subdivided into floristic provinces, of which there are 152 in all.
Takhtajan's floristic provinces
Holarctic Kingdom
I. Circumboreal Region
- 1
- 2 Atlantic Europe
- 3 Central Europe
- 4 Illyria or Balkan
- 5 Pontus Euxinus
- 6 Caucasus
- 7 Eastern Europe
- 8 Northern Europe
- 9 Western Siberia
- 10 Altai-Sayan
- 11 Central Siberia
- 12 Transbaikalia
- 13 Northeastern Siberia
- 14 Okhotsk-Kamchatka
- 15 Canada incl. Great Lakes
II. Eastern Asiatic Region
- 16 Manchuria
- 17 Sakhalin-Hokkaido
- 18 Japan-Korea
- 19 Volcano-Bonin
- 20 Ryukyu or Tokara-Okinawa
- 21 Taiwan
- 22 Northern China
- 23 Central China
- 24 Southeastern China
- 25 Sikang-Yuennan
- 26 Northern Burma
- 27 Eastern Himalaya
- 28 Khasi-Manipur
III. North American Atlantic Region
- 29 Appalachians
- 30 Atlantic and Gulf Coastal Plain
- 31 North American Prairies
IV. Rocky Mountain Region
- 32 Vancouver
- 33 Rocky Mountains
V.
- 34 Azores
- 35 Madeira
- 36 Canaries
- 37 Cape Verde
VI. Mediterranean Region
- 38 Southern Morocco
- 39 Southwestern Mediterranean
- 40 South Mediterranean
- 41 Iberia
- 42 Baleares
- 43 Liguria-Tyrrhenia
- 44 Adriatic
- 45 East Mediterranean
- 46 Crimea-Novorossijsk
VII. Saharo-Arabian Region
- 47 Sahara
- 48 Egypt-Arabia
VIII. Irano-Turanian Region
- 49 Mesopotamia
- 50 Central Anatolia
- 51 Armenia-Iran
- 52 Hyrcania
- 53 Turania or Aralo-Caspia
- 54 Turkestan
- 55 Northern Baluchistan
- 56 Western Himalaya
- 57 Central Tien Shan
- 58 Dzungaria-Tien Shan
- 59 Mongolia
- 60 Tibet
IX. Madrean Region
- 61 Great Basin
- 62 California
- 63 Sonora
- 64 Mexican Highlands
Paleotropical Kingdom
X. Guineo-Congolian Region
- 65 Upper Guinea
- 66 Nigeria-Cameroon
- 67 Congo
XI. Usambara-Zululand Region
- 68 Zanzibar-Inhambane
- 69 Tongoland-Pondoland
XII. Sudano-Zambezian Region
- 70 Zambezi
- 71 Sahel
- 72 Sudan
- 73 Somalia-Ethiopia
- 74 South Arabia
- 75 Socotra
- 76 Oman
- 77 South Iran
- 78 Sindia
XIII. Karoo-Namib Region
- 79 Namibia
- 80 Namaland
- 81 Western Cape
- 82 Karoo
XIV. St.Helena and Ascension Region
- 83 St. Helena and Ascension
XV.
XVI. Indian Region
XVII. Indochinese Region
- 95 South Burma
- 96 Andamans
- 97 South China
- 98 Thailand
- 99 North Indochina
- 100 Annam
- 101 South Indochina
XVIII.
- 102 Malaya
- 103 Borneo
- 104 Philippines
- 105 Sumatra
- 106 South Malesia
- 107 Celebes
- 108 Moluccas and West New Guinea
- 109 Papua
- 110 Bismarck Archipelago
XIX. Fijian Region
- 111 New Hebrides
- 112 Fiji
XX. Polynesian Region
- 113 Micronesia
- 114 Polynesia
XXI. Hawaiian Region
- 115 Hawaii
XXII. Neocaledonian Region
- 116 New Caledonia
XXIII. Caribbean Region
- 117 Central America
- 118 West Indies
- 119 Galápagos Islands
XXIV. Region of the Guayana Highlands
- 120 Guayana
XXV. Amazonian Region
XXVI. Brazilian Region
XXVII. Andean Region
- 128 Northern Andes
- 129 Central Andes
South African Kingdom
XXVIII. Cape Region
- 130 Cape
Australian Kingdom
XXIX. Northeast Australian Region
- 131 North Australia
- 132 Queensland
- 133 Southeast Australia
- 134 Tasmania
XXX. Southwest Australian Region
XXXI. Central Australian or Eremaean Region
- 136 Eremaea
Antarctic Kingdom
XXXII. Fernandezian Region
- 137 Juan Fernández
XXXIII. Chile-Patagonian Region
- 138 Northern Chile
- 139 Central Chile
- 140 Pampas
- 141 Patagonia
- 142 Tierra del Fuego
XXXIV. Region of the South Subantarctic Islands
XXXV. Neozeylandic Region
- 145 Lord Howe
- 146 Norfolk
- 147 Kermadec
- 148 Northern New Zealand
- 149 Central New Zealand
- 150 Southern New Zealand
- 151 Chatham
- 152 New Zealand Subantarctic Islands
External references
- Good, Ronald, 1947. The Geography of Flowering Plants. Longmans, Green and Co, New York
- Takhtajan, Armen, 1986. Floristic Regions of the World. (translated by T.J. Crovello & A. Cronquist). University of California Press, Berkeley.
XVI. Indian Region
XVII. Indochinese Region
- 95 South Burma
- 96 Andamans
- 97 South China
- 98 Thailand
- 99 North Indochina
- 100 Annam
- 101 South Indochina
XVIII.
- 102 Malaya
- 103 Borneo
- 104 Philippines
- 105 Sumatra
- 106 South Malesia
- 107 Celebes
- 108 Moluccas and West New Guinea
- 109 Papua
- 110 Bismarck Archipelago
XIX. Fijian Region
- 111 New Hebrides
- 112 Fiji
XX. Polynesian Region
- 113 Micronesia
- 114 Polynesia
XXI. Hawaiian Region
- 115 Hawaii
XXII. Neocaledonian Region
- 116 New Caledonia
XXIII. Caribbean Region
- 117 Central America
- 118 West Indies
- 119 Galápagos Islands
XXIV. Region of the Guayana Highlands
- 120 Guayana
XXV. Amazonian Region
XXVI. Brazilian Region
XXVII. Andean Region
- 128 Northern Andes
- 129 Central Andes
South African Kingdom
XXVIII. Cape Region
- 130 Cape
Australian Kingdom
XXIX. Northeast Australian Region
- 131 North Australia
- 132 Queensland
- 133 Southeast Australia
- 134 Tasmania
XXX. Southwest Australian Region
XXXI. Central Australian or Eremaean Region
- 136 Eremaea
Antarctic Kingdom
XXXII. Fernandezian Region
- 137 Juan Fernández
XXXIII. Chile-Patagonian Region
- 138 Northern Chile
- 139 Central Chile
- 140 Pampas
- 141 Patagonia
- 142 Tierra del Fuego
XXXIV. Region of the South Subantarctic Islands
XXXV. Neozeylandic Region
- 145 Lord Howe
- 146 Norfolk
- 147 Kermadec
- 148 Northern New Zealand
- 149 Central New Zealand
- 150 Southern New Zealand
- 151 Chatham
- 152 New Zealand Subantarctic Islands
External references
- Good, Ronald, 1947. The Geography of Flowering Plants. Longmans, Green and Co, New York
- Takhtajan, Armen, 1986. Floristic Regions of the World. (translated by T.J. Crovello & A. Cronquist). University of California Press, Berkeley.
XXIII. Caribbean Region
- 117 Central America
- 118 West Indies
- 119 Galápagos Islands
XXIV. Region of the Guayana Highlands
- 120 Guayana
XXV. Amazonian Region
XXVI. Brazilian Region
XXVII. Andean Region
- 128 Northern Andes
- 129 Central Andes
South African Kingdom
XXVIII. Cape Region
- 130 Cape
Australian Kingdom
XXIX. Northeast Australian Region
- 131 North Australia
- 132 Queensland
- 133 Southeast Australia
- 134 Tasmania
XXX. Southwest Australian Region
XXXI. Central Australian or Eremaean Region
- 136 Eremaea
Antarctic Kingdom
XXXII. Fernandezian Region
- 137 Juan Fernández
XXXIII. Chile-Patagonian Region
- 138 Northern Chile
- 139 Central Chile
- 140 Pampas
- 141 Patagonia
- 142 Tierra del Fuego
XXXIV. Region of the South Subantarctic Islands
XXXV. Neozeylandic Region
- 145 Lord Howe
- 146 Norfolk
- 147 Kermadec
- 148 Northern New Zealand
- 149 Central New Zealand
- 150 Southern New Zealand
- 151 Chatham
- 152 New Zealand Subantarctic Islands
External references
- Good, Ronald, 1947. The Geography of Flowering Plants. Longmans, Green and Co, New York
- Takhtajan, Armen, 1986. Floristic Regions of the World. (translated by T.J. Crovello & A. Cronquist). University of California Press, Berkeley.
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