Plantae > Tracheophyta > Magnoliopsida > Fabales > Fabaceae > Astragalus > Astragalus melanocephalus Astragalus melanocephalusSynonyms: Astragalus melanocephalus var. paucijugus; Astragalus melanocephalus var. stenophyllus; Astragalus rigidus; Tragacantha melanocephala (homotypic); Tragacantha rigida
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