Pinar, N.M., Coşkunçelebi̇ K., Şi̇mşek D., Okur, S., Makbul, S. & Acar, A. (2016)

Pollen morphology of Scorzonera (Asteraceae) in Turkey

. Phytotaxa 252 (4): 233–262. https://doi.org/10.11646/phytotaxa.252.4.1