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Filtering by: Creator Knaus, Brian J. Subject Astragalus (Plants) -- North America -- Morphology

A fistful of Astragalus : phenotypic and genotypic basis of the most taxon rich species in the North American flora

Creator:

Knaus, Brian J.

Abstract:

The study of the infra-specific ranks (i.e., subspecies and variety) can be considered the study of the process of speciation. Astragalus lentiginosus Douglas ex Hooker (Fabaceae) is the most taxon rich species in the U.S. flora currently including 40 taxonomic varieties. These varieties were described using traditional taxonomic methods primarily...

Resource Type:

Dissertation