Yazar
Frederick J Hermann
30 cilt bulundu.
Frederick J. Hermann · U.S. Dept. of Agriculture
26 sayfa · 1954
Arachis / Identification / Classification
Frederick J. Hermann · Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
107 sayfa · 1975
Juncus
Frederick J. Hermann · Division of Plant Exploration and Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1940
Botany
Frederick J. Hermann · Division of Plant Exploration and Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1940
Botany
Frederick J. Hermann · Division of Plant Exploration and Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture
25 sayfa · 1940
Botany
Frederick J. Hermann · Division of Plant Exploration and Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1940
Botany
Frederick J. Hermann · Division of Plant Exploration and Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1940
Botany
Frederick J. Hermann · Division of Plant Exploration and Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1940
Botany
Frederick J. Hermann · Division of Plant Exploration and Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture
57 sayfa · 1940
Botany / Carex / Cyperaceae
Frederick J. Hermann · U.S. Forest Service; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
397 sayfa · 1970
Botany / Carex
Frederick J. Hermann · U.S.D.A., Office of Foreign Agric. Relations
Sayfa sayısı yok · 1943
Kategori yok
Frederick J. Hermann · Forest Service, U.S. Dept. of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
219 sayfa · 1974
Botany / Carex
Frederick J. Hermann · Forest Service, U.S. Dept. of Agriculture [for sale by Supt. of Docs., U.S. Govt. Print. Off.
365 sayfa · 1966
Botany / Rangelands / Weeds