Yildirim, H., Özüdoğru, B., Özdöl, T., Can, I. D., Pirhan, A. F., Balos, M. M., & Arasan, Şükrü. (2025). An extraordinary new species from western Anatolia (Türkiye): Umbilicus choripetalus (Crassulaceae). Phytotaxa, 734(2), 160–172. https://doi.org/10.11646/phytotaxa.734.2.2