Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1974)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1974)

A flora of the liverworts and hornworts of New Zealand - Engel, John J., 1941 - (Missouri Botanical Garden Press, 2008)

A flora of the liverworts and hornworts of New Zealand - Engel, John J., 1941 - (Missouri Botanical Garden Press, 2008)

A flora of the liverworts and hornworts of New Zealand - Engel, John J., 1941 - (Missouri Botanical Garden Press, 2008)