1-3 of 3 Books
Further studies on the Potentilleae
Further studies on the Potentilleae
By Rydberg, Per Axel
Sulfur cinquefoil (Potentilla recta L.)
Sulfur cinquefoil (Potentilla recta L.)
By R. H. Callihan
Monographie der Gattung Potenilla
Monographie der Gattung Potenilla
By Theodor Wolf