Reference:Holmen1957a
Verbatim text: Holmen, K. 1957b. The sporophytes of Mnium hymenophyllum. Bryologist 60: 135–138.
Author: Holmen, K.
Year: 1957b
Title: The sporophytes of Mnium hymenophyllum
Journal: Bryologist
Volume: 60
Pages: 135–138