Behaarde boterbloem - Ranunculus sardous

Flora Batava, Jan Kops en Herman Christiaan van Hall. Deel 8 (1844)

An Illustrated Flora Of The Northern United States, Canada And The British Possessions, Nathaniel Lord Britton, Addison Brown (1913)

Illustrations of the British Flora (1924)

© 2001-2012 Klaas Dijkstra