Greuter & Burdet (G.López) 1989 - Greuter W, Raus T (1989) Med-Checklist Notulae, 15. Willdenowia 19(1): 27-48. Retrieved from http://www.jstor.org/stable/3996917
There is no corrections for Ononis alopecuroides subsp. exalopecuroides yet.