7 literature references for Porotrichum expansum Mitten, 1869:

Author: Bescherelle in Renauld & Cardot
Year: 1905
Title:
Source: Bull. Soc. Roy. Bot. Belgique
Author: Crosby, M. R. and others - REVISED
Year: 1999
Title: REVISED: accepted in a monograph, revision, or descriptive flora since 1963
Source: Checklist Mosses
Author: Cardot
Year: 1913
Title:
Source: Rev. Bryol.
Author: Buck, W. R.
Year: 1998
Title: Pleurocarpous mosses of the West Indies
Source: Mem. New York Bot. Gard.
Author: Mitten
Year: 1869
Title:
Source: J. Linn. Soc., Bot.
Author: Fleischer
Year: 1904
Title:
Source: Musci Buitenzorg
Author: I. Hagen
Year: 1904
Title:
Source: Meddel. Gronland