The Moss flora of MexicoAaron J. Sharp, Howard Alvin Crum, Patricia Eckel, Howard Crum · First published 1993Open the Tome
A focus on peatlands and peat mossesHoward Crum · First published 1988 · Latest edition 1992Open the Tome
Mosses of the Great Lakes ForestHoward Crum · First published 1973 · Latest edition 1983Open the Tome
The Appalachian-Ozarkian element in the moss flora of MexicoHoward Crum · First published 1966 · Latest edition 1981Open the Tome
Donrichardsia, a new genus of Amblystegiaceae (musci)Howard Alvin Crum · First published 1979Open the Tome
