Template:Duran & Hamzaoğlu, 2005
- Duran, A. & Hamzaoğlu, E. 2005. Psephellus turcicus sp. nov. (Asteraceae), a new chasmophyte species from central Anatolia, Turkey. Botanical Journal of the Linnean Society 148(4): 495–500. DOI: 10.1111/j.1095-8339.2005.00425.x