BOZKURT, M., T. UYSAL, and K. ERTUĞRUL. “COMPARATIVE MORPHOLOGICAL AND TAXONOMICAL STUDIES ON SOME <em>PSEPHELLUS</Em> TAXA (ASTERACEAE) IN TURKEY”. Phytotaxa, vol. 430, no. 2, Jan. 2020, pp. 119–141, doi:10.11646/phytotaxa.430.2.4.