4 literature references for Tortula paulsenii Brotherus, 1906:

Author: Ignatov, M. S. & O. M. Afonina (Editors)
Year: 1992
Title: Checklist of mosses of the former USSR
Source: Arctoa
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: 1906
Title:
Source: Bot. Tidsskr.