The genus epimedium and other herbaceous berberidaceae /
Stearn, William T.(William Thomas),1911-2001.
Shaw, Julian.
Green, P. S.(Peter Shaw)
Mathew, Brian.
Royal Botanic Gardens, Kew.
London : Royal Botanic Gardens, Kew,
2002.
A Botanical Magazine monograph.
Includes bibliography and index.
Epimedium.
Berberidaceae.
Podophyllum.