Yazar
stephen a spongberg
15 cilt bulundu.
Cilt sonuçları
A reunion of trees
Stephen A. Spongberg · Harvard University Press
278 sayfa · 1990
Arnold Arboretum / Ornamental shrubs / Ornamental trees / Tree introduction / Europe
Cultivar name registration at the Arnold Arboretum 1987 and 1988
Stephen A. Spongberg · American Society for Horticultural Science
434 sayfa · 1989
Woody plants / Registers / Plant varieties
Acta Phytotaxonomica Sinica, a bibliographic summary of published volumes
Stephen A. Spongberg, David E. Boufford · International Bureau for Plant Taxonomy and Nomenclature
707 sayfa · 1982
Botany / Bibliography
The Eleanor Cabot Bradley Garden of rosaceous plants
Stephen A. Spongberg, Karlton Holmes, Arnold Arboretum · Yayınevi bilinmiyor
23 sayfa · 1992
Rosaceae / Arnold Arboretum