Editore: Alpine Garden Society
Da: Terrace Horticultural Books, St. Paul, MN, U.S.A.
Paperback. Condizione: Very Good. Color Photos, Text Figures (illustratore). Number 271, Volume 66, No.1. Copyright Date: 1998 Octavo, March 1998, PP.126,
Editore: Alpine Garden Society
Da: Terrace Horticultural Books, St. Paul, MN, U.S.A.
Paperback. Condizione: Very Good. Color Photos, Text Figures (illustratore). Copyright Date: 2005 Octavo, Dec. 2005, PP.344-372, The International Society For Alpine And Rock Garden Plants, Small Hardy Herbaceous Plants, Hardy And Half Hardy bulbs, Hardy Ferns And Small Shrubs Number 302, Volume 73, No.4, December 2005.