Fayed, A.A.A., El-Hadidy, A.H., Faried, A.M. & Olwey, A.O. (2019)

Taxonomic revision of the genus Ononis (Trifolieae, Fabaceae) in Egypt, with the first record of Ononis viscosa subsp. breviflora

. Phytotaxa 408 (1): 1–29. https://doi.org/10.11646/phytotaxa.408.1.1