Evolution, range formation and a revised taxonomy of the disjunctly distributed European members of Astragalus sect. Caprini, an intricate group including highly endangered species of dry grasslands
Compare the timing of diversification between lineages occurring in mountain steppes and lowland steppes,evaluate whether disjunct distributions are the result of vicariance or long-distance dispersal andre-evaluation of the taxonomy of the European members of Astragalus sect. Caprini.