Oskay, D2025-04-102025-04-101179-3155http://hdl.handle.net/20.500.14701/36577Petrorhagia dubia subsp. mustafanus (Caryophyllaceae) is described as a new subspecies from Dede mountain in Soma (Manisa), west Anatolia, Turkey. Diagnosis, description, preferential habitat, distribution, conservation status, and original photographs are given, as well as a comparison with the similar P. dubia subsp. dubia is discussed.EnglishArticle1179-3163