Zieliński, J., Petrova, A. & Tomaszewski, D.: Quercus trojana subsp. yaltirikii (Fagaceae), a new subspecies from southern Turkey. — Willdenowia 36: 845–849. — ISSN 0511-9618; © 2006 BGBM Berlin-Dahlem. doi:10.3372/wi.36.36214 (available via http://dx.doi.org/)
Geographic distribution and infraspecific variation of the E Mediterranean Quercus trojana is discussed. Q. trojana subsp. yaltirikii is described from the region of Içel and Antalya at the southeastern margin of the species' range as a subspecies new to science, characterized by densely stellate-hairy leaves and twigs.