Yazar
Michael E Ostry
22 cilt bulundu.
Michael E. Ostry · United States Department of Agriculture, Forest Service, Northern Research Station
82 sayfa · 2011
Forest fungi / Ecology / Identification / Macrofungi / Mushrooms
Michael E Ostry · Dept. of Agriculture, [Forest Service], North Central Forest Experiment Station
15 sayfa · 1978
Trees / Diseases and pests
Michael E. Ostry · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1996
Butternut canker / Identification / Control / Canker (Plant disease) / Handbooks, manuals
Michael E Ostry · North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1980
Poplar / Diseases and pests
Michael E. Ostry · U.S. Dept. of Agriculture, Forest Service
145 sayfa · 1990
Trees / Diseases and pests / Congresses / Leaves
Michael E. Ostry · Dept. of Agriculture, Forest Service
Sayfa sayısı yok · 1979
Diseases and pests / Dwarf mistletoes / Black spruce
Michael E Ostry · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
26 sayfa · 1991
Bibliography / Plant tissue culture / Poplar / Plant cell culture / Micropropagation
Michael E Ostry · U.S. Dept. of Agriculture, Forest Service, North Central Research Station
15 sayfa · 1998
Hypoxylon mammatum / Woodpeckers / Aspen / Diseases and pests
Michael E. Ostry · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
11 sayfa · 1990
Red pine / Diseases and pests
Michael E Ostry · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Sayfa sayısı yok · 1976
Yellow-bellied sapsucker
Michael E Ostry · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Sayfa sayısı yok · 1986
Leaf spots / Poplar / Diseases and pests
Michael E Ostry · Available from North Central Forest Experiment Station
Sayfa sayısı yok · 1982
Poplar / Diseases and pests
Michael E. Ostry · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
16 sayfa · 1983
Arceuthobium / Black spruce / Animals as carriers of disease / Diseases and pests / Birds as carriers of disease
Michael E. Ostry · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Sayfa sayısı yok · 1989
Poplar / Septoria musiva / Diseases and pests
Michael E Ostry · NA State & Private Forestry [distributor]
Sayfa sayısı yok · 1980
Poplar / Phyllosticta / Identification / Diseases and pests
Michael E Ostry · Northeastern Area State and Private Forestry
Sayfa sayısı yok · 1994
Endangered plants / Butternut canker / Butternut
Michael E Ostry · North Central Forest Experiment Station, Forest Service, U.S.D.A.
Sayfa sayısı yok · 1982
Spores / Plant spores / Fungi / Dispersal
Michael E. Ostry · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Sayfa sayısı yok · 1976
Black spruce / Dwarf mistletoes
Michael E. Ostry, United States. Forest Service · U.S. Dept. of Agriculture, Forest Service
118 sayfa · 1989
Poplar / Diseases and pests / Handbooks, manuals / Salicaceae
Forest Service (U.S.), Steven Katovich, Deborah McCullough, Michael E. Ostry, Jill O'Donnell, Isabel Munck, Cliff Sadof · Forest Service
160 sayfa · 2015
Trees, diseases and pests