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Filtering by: Creator Allyn, Andrew J. Degree Field Botany and Plant Pathology

Genetic diversity of populations of Astragalus oniciformis using inter-simple sequence repeat (ISSR) markers

Creator:

Alexander, J. Andrew

Abstract:

Astragalus oniciformis Barneby is a xerophyte of the sagebrush deserts of central Idaho. It is a narrow endemic of the upper Snake River Plains where it inhabits stabilized, aeolian sand deposits over Quaternary basalt flows. The objective of this study was to determine the levels and distribution of genetic differentiation...

Resource Type:

Masters Thesis

Full Text:

of Science Presented May 14, 2001 Commencement June 2002 Master of Science thesis of J. Andrew
A taxonomic revision of Astragalus mokiacensis and allied taxa within the Astragalus lentiginosus complex of Section Diphysi

Creator:

Alexander, J. Andrew

Abstract:

North America, with over 400 species of Astragalus (Fabaceae), is one of three major centers of diversity, all of which comprise the majority of the nearly 1750 species of Astragalus worldwide. One of the most diverse species, Astragalus lentiginosus of Section Diphysi, is a polymorphic complex of over 40 varieties,...

Resource Type:

Dissertation

Full Text:

THESIS OF J. Andrew Alexander for the degree of Doctor of Philosophy in Botany and Plant Pathology