4 literature references for Plagiomnium cordatum T. Koponen & Norris, 1983:

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: C. Müller
Year: 1896
Title:
Source: Nuovo Giorn. Bot. Ital., n.s.,
Author: C. Müller
Year: 1900
Title:
Source: Gen. Musc. Frond.
Author: T. Koponen & Norris
Year: 1983
Title:
Source: Ann. Bot. Fenn.