Astragalus echinus subsp. chionistrae
Systematics
Taxonomy of infraspecific taxa following Podlech & Zarre (2013).
Podlech D. & Zarre S. 2013: A taxonomic revision of the genus Astragalus L. (Leguminosae) in the Old World. - Wien: Naturhistorisches Museum Wien.
Podlech D. & Zarre S. 2013: A taxonomic revision of the genus Astragalus L. (Leguminosae) in the Old World. - Wien: Naturhistorisches Museum Wien.