D.  Podlech, ?Some New Species and Combinations in Astragalus and Phyllolobium (Fabaceae)?, Feddes Repertorium, vol. 1-2, 2009.

L. R. Xu & D.  Podlech, ?Some New Taxa of Astragalus L. (Leguminosae) from China and Nepal?, Feddes Repertorium, vol. 3-4, 2006.