Die Bryophyten meiner zweiten Reise durch Bolivia - Herzog, Theodor Carl Julius, 1880 -1961 (E. Schweizerbart, 1916)

The bryophytes of Connecticut - Evans, Alexander W. (Alexander William), 1868 -1959 (Printed for the State Geological and Natural History Survey, 1908)

The bryophytes of Illinois : an annotated and indexed bibliography and checklist - Illinois. Natural History Survey Division (State of Illinois, Dept. of Energy and Natural Resources, Natural History Survey Division, 1987)

Bryophytes of the Columbia Basin, south of the Canadian border - United States. Bureau of Land Management. (Interior Columbia Basin Ecosystem Management Project, 1995)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1976)

Bulletin - Société d'Étude des Sciences Naturelles de Béziers. (1878)

Bulletin - Société des amis des sciences naturelles de Rouen. (1888)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1993)

Bulletin - National Museum of Canada. (National Museum of Canada, 1959)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1910)

Bulletin de l'Académie Malgache - Académie malgache. (the Académie, 1902)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1893)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1900)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1901)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1902)