Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1997)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1997)

Index of mosses : a catalog of the names and citations for new taxa, combinations, and names for mosses published during the years 1990 through 1992 with citations of previously published basionyms and replaced names together with a bibliography of the publications in which these nova appeared - Magill, Robert E. (Missouri Botanical Garden, 1994)

World synopsis of the genus Grimmia : (Musci, Grimmiaceae) - Munoz, Jesus (Missouri Botanical Garden Press, 2000)