3 literature references for Lembophyllum orbiculatum Tangney, 1997:

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: C. Müller
Year: 1898
Title:
Source: Bull. Herb. Boissier
Author: Tangney
Year: 1997
Title:
Source: J. Hattori Bot. Lab.