Yazar
roland m jefferson
5 cilt bulundu.
Cilt sonuçları
History, progeny, and locations of crabapples of documented authentic origin
Roland M. Jefferson · Agricultural Research Service, U.S. Dept. of Agriculture
107 sayfa · 1970
Crabapples / Apples / Varieties / Rosaceae
The Japanese flowering cherry trees of Washington, D.C.
Roland M. Jefferson · Dept. of Agriculture, Agricultural Research Service
66 sayfa · 1977
Japanese flowering cherry / History / Diplomatic gifts / Foreign relations
The nomenclature of cultivated Japanese flowing cherries (Prunus)
Roland M. Jefferson · U.S. Dept. of Agriculture, Agricultural Research Service
44 sayfa · 1984
Japanese flowering cherry / Nomenclature / Prunus / Rosaceae
The nomenclature of cultivated Japanese flowering cherries (Prunus)
Roland M. Jefferson, Kay Kazue Wain · U.S. Dept. of Agriculture, Agricultural Research Service
44 sayfa · 1984
Prunus / Rosaceae / Japanese flowering cherry / Nomenclature