[Taxacom] Angiosperm numbers

Jim L. Reveal jlr326 at cornell.edu
Sun Jan 30 06:27:04 CST 2011

Thorne and Reveal (Botanical Review 73: 67-182. 2007) suggested 253,300 species in 13,372 genera, or 18.9 species per genus, of extant flowering plants. A forthcoming paper on extant gymnosperms (Christenhusz et al., Phytotaxa) will account for some 84 genera in about 1025-1060 species or 12.2 to 12.6 species per genus.

James L. Reveal, Professor
L.H. Bailey Hortorium, 412 Mann Building
Department of Plant Biology
Cornell University, Ithaca, NY, 14853-4301

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