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RA Scherson, R Vidal… - American Journal of …, 2008 - Wiley Online Library

Phylogeny, biogeography, and rates of diversification of New World Astragalus (Leguminosae) with an emphasis on South American radiations.

STEM and diversification

Scherson, Vidal

GSID: LvSNRlUMka0J

Excerpt

… species of the clade of interest) and the stem node (most recent common ancestor of the clade of … Four rates of diversification were thus calculated, using crown vs. stem ages on the one …

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