Astragalus missouriensis was created in 1818.
Solidago missouriensis was created in 1834.
Astragalus monspessulanus was created in 1753.
Astragalus brachycalyx was created in 1843.
Astragalus anxius was created in 1992.
Astragalus anserinus was created in 1984.
Astragalus iselyi was created in 1974.
Astragalus zionis was created in 1895.
Astragalus loanus was created in 1964.
Astragalus hypoxylus was created in 1882.
Astragalus phoenix was created in 1970.
Astragalus tricarinatus was created in 1877.
Astragalus bibullatus was created in 1987.