3 literature references for Mahua enervis W. R. Buck, 1983:

Author: Crosby, M. R. and others - USED
Year: 1999
Title: USED in a checklist or nondescriptive flora, citing collections, since 1963
Source: Checklist Mosses
Author: Bescherelle
Year: 1896
Title:
Source: Ann. Sci. Nat., Bot., ser. 8,
Author: W. R. Buck
Year: 1983
Title:
Source: Brittonia