Verbatim text: Crum, H. A. and L. E. Anderson. 1964. Notes on Physcomitrium collenchymatum. Bryologist 67: 350–355.
Author: Crum, H.A., Anderson, L.E.
Year: 1964
Title: Notes on Physcomitrium collenchymatum
Journal: Bryologist
Volume: 67
Pages: 350–355