Pathak, M. L., Idrees, M., Xu, B., & Gao, X. F. (2019).

Pollen morphology of subfamily Maloideae (Roseaceae) with special focus on the genus Photinia

. Phytotaxa, 404(5), 171–189. https://doi.org/10.11646/phytotaxa.404.5.1