4 literature references for Barbula bolleana Brotherus, 1924:

Author: Jaeger
Year: 1872
Title:
Source: Ber. Thatigk. St. Gallischen Naturwiss. Ges.
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: Brotherus
Year: 1907
Title:
Source: Nat. Pflanzenfam.
Author: Brotherus
Year: 1924
Title:
Source: Nat. Pflanzenfam. (ed. 2)