2 literature references for Astragalus lanigerus Desf.:

Author: Podlech,D.
Year: 1988
Title:
Source: Mitt.Bot.Staatss.Munchen 25:1-924.Revision von Astragalus...
Author: Podlech,D.
Year: 1988
Title:
Source: Mitt.Bot.Munchen 27:51-64.Beitrage..Astragalus. 3.Neue arten