4 literature references for Brachythecium hedbergii Potier de la Varde, 1955:

Author: Buck, W. R.
Year: 1993
Title: Taxonomic Results of the BRYOTROP expedition to Zaïre and Rwanda. 24. Leskeaceae, Brachytheciaceae, Stereophyllaceae, Plagiotheciaceae, Entodontaceae, Sematophyllaceae p. pte., Hypnaceae (except ~Hypnum~)
Source: Trop. Bryol.
Author: Born, S., J.-P. Frahm & T. Pócs
Year: 1993
Title: Taxonomic results of the BRYOTROP Expedition to Zaire and Rwanda. 26. A new checklist of the mosses of Central Africa
Source: Trop. Bryol.
Author: Crosby, M. R. and others - USED
Year: 1999
Title: USED in a checklist or nondescriptive flora, citing collections, since 1963
Source: Checklist Mosses
Author: A. J. E. Smith
Year: 1992
Title:
Source: J. Bryol.