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Habeck, J. R. and C. M. Choate . 1963. An analysis of krimmholz 

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Habeck, J. R. and E. Hartley. 1965. The vegetation of Montana - 

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Hanna, L. A. 1955. A chapter in the natural history exploration of 



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Hanna, L. A. 1958. Some common lichens of southeastern Montana. Proc. 

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Hanna, L. A. 1959. Spring flora studies of the lower Tongue River 

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Harris, W. P. and C. W. Harris. 1904. Lichens and mosses of Montana. 

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Harvey, C. H. 1954. Additions to the flora of Glacier National Park, 

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Hawkins, P.N. 1903. The Alpine flora of Montana. M. S. Thesis. 

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Heady, H. F. 1950. Studies on bluebunch wheatgrass in Montana and 

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Hitchcock, C. L. 1936. A key to the grasses of Montana based upon 

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Holmes, T. R. B. and D. Tackles. 1962. Height growth of lodgepole pine 

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Humes, H. R. 1957. The ecological effects of fire on natural grasslands 

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Hurst, J. W. 1948. Barberries in Montana. Proc. Mont. Acad. Sci., 

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Jansson, J. R. 1949. A survey of old growth Douglas fir stands in the 

 Big Belt Mountains of Montana. Unpub. M.S. Thesis. University of 

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