3 literature references for Macromitrium subsessile Brotherus & Paris, 1909:

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: Pursell, R. A. & W. D. Reese
Year: 1982
Title: The mosses reported from New Caledonia
Source: J. Hattori Bot. Lab.
Author: Brotherus & Paris
Year: 1909
Title:
Source: Oefvers. Forh. Finska Vetensk.-Soc.