Ranunculi auricomi Helvetici et transhelvetici IV. Vier weitere Sippen aus der Nordschweiz und der Oberrheinebene

Abstract

Four microspecies of the Ranunculus auricomus group are described and illustrated from an area of northern Switzerland and the Upper-Rhine plain of France and Germany: Ranunculus gratiosus (F, D, CH), R. sphinx (F), R. lingulatus (F, CH) and R. lyratus (F, CH).