Showing 1 - 20 results of 40 for search 'Hawksworth, Frank G., 1926-1993-', query time: 0.14s Refine Results
  1. 1
    Dwarf mistletoes : biology, pathology, and systematics

    Dwarf mistletoes : biology, pathology, and systematics by Hawksworth, Frank G., 1926-1993

    Washington, D.C. : U.S. Dept. of Agriculture, Forest Service, 1996
    Format: Government Document Book


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  2. 2
    Lodgepole pine dwarf mistletoe

    Lodgepole pine dwarf mistletoe by Hawksworth, Frank G., 1926-1993-

    [Beltsville, Md.?] : U.S. Dept. of Agriculture, Forest Service, 1984
    Rev. Oct. 1984.
    Format: Government Document Book


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  3. 3
    Ponderosa pine dwarf mistletoe in relation to topography and soils on the Manitou Experimental Forest, Colorado

    Ponderosa pine dwarf mistletoe in relation to topography and soils on the Manitou Experimental Forest, Colorado by Hawksworth, Frank G., 1926-1993

    Fort Collins, Colo. : Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1968
    Format: Government Document Book


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  4. 4
    Biology and management of dwarf mistletoe in lodgepole pine in the Rocky Mountains

    Biology and management of dwarf mistletoe in lodgepole pine in the Rocky Mountains by Hawksworth, Frank G., 1926-1993

    Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1989
    Format: Government Document Book


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  5. 5
    You can save your pines from dwarf mistletoe

    You can save your pines from dwarf mistletoe by Hawksworth, Frank G., 1926-1993

    Fort Collins, Colo. : Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1968
    Format: Government Document Book


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  6. 6
    Carlos Bates' dwarf mistletoe resistant ponderosa pines : a postscript after half a century

    Carlos Bates' dwarf mistletoe resistant ponderosa pines : a postscript after half a century by Hawksworth, Frank G., 1926-1993

    [Fort Collins, Colo.] : USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1981
    Format: Government Document Book


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  7. 7
    Biology of dwarf mistletoes : proceedings of the symposium, August 8, 1984, Colorado State University, Fort Collins

    Biology of dwarf mistletoes : proceedings of the symposium, August 8, 1984, Colorado State University, Fort Collins by Hawksworth, Frank G., 1926-1993

    Fort Collins, Colo. : Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1984
    Format: Government Document Book


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  8. 8
    Dwarfmistletoe of ponderosa pine in the Southwest

    Dwarfmistletoe of ponderosa pine in the Southwest by Hawksworth, Frank G., 1926-1993

    Washington : U.S. Dept. of Agriculture, 1961
    Format: Government Document Book


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  9. 9
    Fungal parasites of dwarf mistletoes

    Fungal parasites of dwarf mistletoes by Hawksworth, Frank G., 1926-1993

    Fort Collins, Colo. : Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1977
    Format: Government Document Book


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  10. 10
    Dwarfmistletoe of ponderosa pine in the Southwest

    Dwarfmistletoe of ponderosa pine in the Southwest by Hawksworth, Frank G., 1926-1993

    Washington, D.C. : U.S. Department of Agriculture, Forest Service, 1961
    Format: Government Document Book


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  11. 11
    Permanent plots for quantifying damage caused by western dwarf mistletoes and their spread and intensification

    Permanent plots for quantifying damage caused by western dwarf mistletoes and their spread and intensification by Hawksworth, Frank G., 1926-1993

    [Fort Collins, Colo.] : Rocky Mountain Forest and Range Experiment Station, 1990
    Format: Government Document Book


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  12. 12
    Phoradendron on conifers

    Phoradendron on conifers by Hawksworth, Frank G., 1926-1993

    [Washington, D.C.?] : U.S. Dept. of Agriculture, Forest Service, 1980
    Format: Government Document Book


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  13. 13
    Vertical spread of dwarf mistletoe in thinned ponderosa pine in Arizona

    Vertical spread of dwarf mistletoe in thinned ponderosa pine in Arizona by Hawksworth, Frank G., 1926-1993

    Fort Collins, CO : USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1985
    Format: Government Document Book


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  14. 14
    Mistletoes on introduced trees of the world

    Mistletoes on introduced trees of the world by Hawksworth, Frank G., 1926-1993

    [Washington] : Forest Service, U.S. Dept. of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1974
    Format: Government Document Book


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  15. 15
    The 6-class dwarf mistletoe rating system

    The 6-class dwarf mistletoe rating system by Hawksworth, Frank G., 1926-1993

    Fort Collins, Colo. : Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1977
    Format: Government Document Book


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  16. 16
    Procedures for using yield simulation programs for dwarf mistletoe-infested lodgepole and ponderosa pine stands

    Procedures for using yield simulation programs for dwarf mistletoe-infested lodgepole and ponderosa pine stands by Hawksworth, Frank G., 1926-1993

    Fort Collins, Colo. : Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1973
    Format: Government Document Book


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  17. 17
    Black Hills ponderosa pine susceptible to southwestern dwarfmistletoe

    Black Hills ponderosa pine susceptible to southwestern dwarfmistletoe by Hawksworth, Frank G., 1926-1993

    [Fort Collins, Colo.] : Forest Service, U.S. Dept. of Agriculture, Rocky Mountain Forest and Range Experiment Station, 1963
    Format: Government Document Book


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  18. 18
    Lodgepole pine dwarf mistletoe

    Lodgepole pine dwarf mistletoe by Hawksworth, Frank G., 1926-1993

    [Beltsville, Md.?] : U.S. Dept. of Agriculture, Forest Service, 1984
    Rev. Oct. 1984.
    Format: Government Document Book


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  19. 19
    Biology and classification of dwarf mistletoes (Arceuthobium)

    Biology and classification of dwarf mistletoes (Arceuthobium) by Hawksworth, Frank G., 1926-1993

    Washington : U.S. Forest Service; for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1972
    Format: Government Document Book


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  20. 20
    You can save your trees from dwarf mistletoe

    You can save your trees from dwarf mistletoe by Hawksworth, Frank G., 1926-1993

    Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1993
    Format: Government Document Book


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