The rhododendron handbook 1998 : rhododendron species in cultivation /
Argent, G.
Wilson, Karen.
Royal Horticultural Society (Great Britain)
London : Royal Horticultural Society,
1997.
"The present handbook is the successor to the Year Books of the Rhododendron Association ... since 1947 the [Royal Horticultural] Society has undertaken the publication of the Handbook. There were revised editions published 1947 ... and now 1997"--verso of t.p.
Includes bibliographical references.
Rhododendrons
Rhododendrons