Crouch, N.R., Martínez-Azorín, M. & Chapano, C. (2020)

Is Urginea zambesiaca a species of Zingela (Hyacinthaceae, Urgineoideae)?

. Phytotaxa 470 (3): 259–262. https://doi.org/10.11646/phytotaxa.470.3.7