North American species of Astragalus Linnaeus (Leguminosae)
Subtitle: a taxonomic revision
By: Stanley L. Welsh.
Publisher: Brigham Young University
Published: 2007
Place of publication: Provo, Utah
Language: eng
Number of pages: 932
ISBN-13: 9780842526623
Subjects: Astragalus (Plants) -- North America -- Classification
Notes: Includes bibliographical references (p. 370-373) and index.