3 literature references for Fabronia gueinzii Hampe in C. Müller, 1850:

Author: Crosby, M. R. and others - INSUFFICIENT
Year: 1999
Title: INSUFFICIENTLY known because not REVISED since its pre-1963 publication; that is to say we have no more information about the species than Index Muscorum; merely relisted without additional specimens in a checklist since 1963; may have been treated in
Source: Checklist Mosses
Author: Hampe in C. Müller
Year: 1850
Title:
Source: Syn. Musc. Frond.
Author: Magill, R. E. & E. A. Schelpe
Year: 1979
Title: The bryophytes of southern Africa: an annotated checklist
Source: Mem. Bot. Surv. S. Africa