?controversa var. crispata (Nees. & Hornsch.) Nyh.
crispata (Nees & Hornsch.) C. Müll.
Weissia squarrosa (Nees & Hornsch.) C. Müll.
Hymenostomum squarrosum Nees & Hornsch.
Additional information sources:
Expert on Bryophytes in Finland, and elsewhere: Timo Koponen; Department of Ecology and Systematics; P.O. BOX 7; FIN-00014 University of Helsinki
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Keep in mind that the taxonomic information is copied from various sources, and may include many inaccuracies. Expert help is welcome.