Section 63
Chapter 62,032

Comparison of the Pteridophyte Floras of Southern and Eastern Africa, with Special Reference to High-Altitude Species

and, W.B., H, G.J.N.. Jacobsen, G.

Bulletin du Jardin Botanique National de Belgique / Bulletin van de National Plantentuin van België 59(3-4): 261-317


DOI: 10.2307/3668347
Accession: 062031761

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The pteridophyte floras of Southern and two East African regions are compared and are found to be strongly related with regard to families, genera and species. The total number of mutual species in the tree areas varies between 45% and 70%. However the tendency to endemism in the isolated tropical mountain complexes causes the percentages of mutual species in these regions to be relatively low. Emphasis is placed on the relationship between altitude and number of species in the areas.

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