Verbatim text: Wilken, D. H. and W. A. Kelley. 1993. Calyptridium. In: J. C. Hickman, ed. 1993. The Jepson Manual. Higher Plants of California. Berkeley, Los Angeles, and London. Pp. 896–897.
Author: Wilken, D.H., Kelley, W.A.
Year: 1993
Title: Calyptridium
Editor: Hickman, J.C.
Book year: 1993
Book title: The Jepson Manual. Higher Plants of California
Pages: 896–897