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Comments on Sphagnum capillaceum (Contributions from the University of Michigan Herbarium ; v. 11, no. 2 [no. 11])
Author: Howard Alvin Crum   ISBN: B0006WLZ4M   /   Unknown Binding Publisher: University Herbarium, University of Michigan   /   1975
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The mosses of Porto Rico and the Virgin Islands (New York Academy of Sciences. Scientific survey of Porto Rico and the Virgin Islands)
Author: Howard Alvin Crum   ISBN: B0007ETXF2   /   Unknown Binding Publisher: The Academy   /   1957
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Bryophyte reprints: [by] Howard A. Crum
Author: Howard Alvin Crum   ISBN: B0007JZ45U   /   Unknown Binding Publisher: n.p   /   1949
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Mosses of North America
Author: Howard Alvin Crum   ISBN: B00071G470   /   Unknown Binding Publisher: Duke University, Dept. of Botany   /   1980
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A new list of mosses of North America north of Mexico: Howard A. Crum, William C. Steere and Lewis E. Anderson (The Bryologist :)
Author: Howard Alvin Crum   ISBN: B0006X64RY   /   Unknown Binding   /   1979
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Mosses of the Great Lakes Forest (Contributions from the University of Michigan Herbarium)
Author: Howard Alvin Crum   ISBN: B0006XTF84   /   Unknown Binding Publisher: University Herbarium, University of Michigan   /   1976
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William Campbell Steere: An account of his life and work
Author: Howard Alvin Crum   ISBN: B0007AWYAM   /   Unknown Binding Publisher: s.n.]   /   1977
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A new list of mosses of North America north of Mexico
Author: Howard Alvin Crum   ISBN: B0006WQWRW   /   Unknown Binding Publisher: The Bryologist   /   1973
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A list of mosses of North America
Author: Howard Alvin Crum   ISBN: B0007FLG10   /   Unknown Binding Publisher: American Bryological Society   /   1965
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Sphagnopsida Sphagnaceae (North American Flora Series II)
Author: Howard Alvin Crum   ISBN: 0893272523   /   Paperback Publisher: New York Botanical Garden Pr Dept   /   1984-05 List Price: £12.61
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