Local endemism in European annual Bupleurum (Umbelliferae)
Six European local endemies are presented with short notes on their taxonomic affinities and distribution maps. The species treated are Bupleurum greuteri, B. aira, B. capillare, B. gaudianum, B. gussonei, and B. rollii. Randomly originated genetie barriers are suggested as a driving foree in the evolution of these speeies.