Note: This website is no longer being updated and is being maintained for archive purposes by the Department of Botany, National Museum of Natural History, Smithsonian Institution. Please see About the Project for further details.

South America Regional Overview
TABLE 51. SPECIES DIVERSITY IN SOUTH AMERICA1,3
     
I. CARIBBEAN REGION (OF SOUTH AMERICA)
   Number of angiosperm species
   Species endemism (%)
   Endemic families
     
6000
24
0
   
II. GUAYANA SHIELD2
Guayanan Venezuela (3 states)
   Number of species
   Species endemism (%)
      (40% endemic to Guayana Shield)
Pantepui (Venezuela over 1300-1500 m)
   Number of species
   Species endemism (%)
   Endemic families
      (Hymenophyllopsidaceae, and perhaps at
      family level Tepuianthaceae and Saccifoliaceae)
   Endemic genera
     
     
9300
24
    
    
2300
65
1-3
   
   
120
   
III. AMAZONIA sen lato
   Number of species
   Species endemism (%)
   Endemic families
      (Dialypetalanthaceae, Rhabdodenraceae,
      Duckeodendraceae, Theuniaceae)
     
18,000
76
4
   
IV. MATA ATLÂNTICA
   Number of species
   Species endemism (%)
   Endemic families
     
13,000
73
0
   
V. INTERIOR DRY AND MESIC FORESTS
   Number of species
   Species endemism (%)
   Endemic families
     
9300
73
0
   
VI. (TROPICAL) ANDES
Northern Andes (incl. Chocó)
   Number of species
   Species endemism (%)
Central Andes (Peru-Bolivia)
   Number of species
   Species endemism (%)
   Endemic family (Columelliaceae)
   
   
14,500
56
   
13,000
54
1
   
VII. PACIFIC COAST
Chocó

   Number of species
   Species endemism (%)
Coastal Ecuador
   Number of species
   Species endemism (%)
Lomas and coastal desert
   Number of species
   Species endemism (%)
   Endemic families, shared with central Chile
      (Nolanaceae, Malesherbiaceae)
   
   
8000
20
     
6300
20
  
1000
40
2
   
VIII. SOUTHERN CONE (CONOSUR)
Chile

   Number of species
   Endemic families (below plus Calyceraceae)
Mediterranean Chile
   Number of species
   Species endemism (%)
   Endemic families
      (Gomortegaceae, Malesherbiaceae)
Altoandina (High Andes)
   Number of species
   Species endemism (%)
   Endemic families
Monte
   Number of species
   Species endemism (%)
   Endemic families, shared with Patagonia
      (Halophytaceae)
Patagonia
   Number of species
   Species endemism (%)
   Endemic families, shared with monte
      (Halophytaceae)
Temperate rain forest
   Number of species
   Species endemism (%)
   Endemic families (Myzodendraceae, Aextoxicaceae)
  
  
5200
5
   
1800-2400
High
2
    
    
?
?
0
   
700
5
1
   
  
1200
30
1
     
     
450
?
2
   
Note:
¹ Data mostly from Gentry (1982a, 1992d)
² Data from Berry, Huber and Holst (1995)
³ Vascular plants unless stated otherwise