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Howard Crum
27 cilt bulundu.
Cilt sonuçları
The Moss flora of Mexico
Aaron J. Sharp, Howard Alvin Crum, Patricia Eckel, Howard Crum · New York Botanical Garden
1113 sayfa · 1993
Mosses / Identification / Classification / Mosses (Musci) / Reference / General
Donrichardsia, a new genus of Amblystegiaceae (musci)
Howard Alvin Crum · Field Museum of Natural History
Sayfa sayısı yok · 1979
Classification / Donrichardsia / Donrichardsia macroneuron / Mosses
A focus on peatlands and peat mosses
Howard Alvin Crum · University of Michigan Press
306 sayfa · 1988
Ecology / Middle West / Peat mosses / Peatlands / Peatland plants
A Focus on Peatlands and Peat Mosses (Great Lakes Environment)
Howard Crum · University of Michigan Press/Regional
320 sayfa · 1992
Peat bogs / Great lakes region (north america)
Encalypta brevicolla and E. longicolla in North America
Howard Crum · Canada Department of Northern Affairs and National Resources
44 sayfa · 1960
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