Bogdanović, S., Brullo, C., Brullo, S., Cambria, S. & Giusso Del Galdo, G. (2020)

Psoralea bituminosa var. atropurpurea (Psoraleeae, Fabaceae) from Morocco recognised as a distinct species in Bituminaria

. Phytotaxa 451 (3): 195–205. https://doi.org/10.11646/phytotaxa.451.3.2