3 literature references for Isopterygium novoguinense E. B. Bartram, 1942:

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: Bartram, E. B.
Year: 1942
Title: Third Archbold Expedition mosses from the Snow Mountains, Netherlands New Guinea
Source: Lloydia
Author: E. B. Bartram
Year: 1942
Title:
Source: Lloydia