Contributions to the taxonomy of Lactuca (Asteraceae) in Turkey

This paper presents new data on the diversity of Lactuca L. in Turkey based on recent collections made during revisional work. Lactuca leucoclada Rech.f. & Tuisl is newly recorded for Turkey, and for Lactuca viminea (L.) J.Presl. & C.Presl. and Lactuca quercina L., the presence of two distinct subspecies each in Turkey.