BHL Taxonomic literature : a selective guide to botanical publications
doi.org
Yousefi, Nafiseh; Zarre, Shahin & Heubl, Günther (2016), "Molecular phylogeny of the mainly Mediterranean genera Chaenorhinum, Kickxia and Nanorrhinum (Plantaginaceae, tribe Antirrhineae), with focus on taxa in the Flora Iranica region", Nordic Journal of Botany, 34 (4): 455–463, doi:10.1111/njb.01000
