A taxonomic study of the genus Dicranum (Dicranaceae, Musci) in the province of Quebec.

Abstract

A total of 21 species and 2 varieties of Dicranum are recognized for the province of Quebec. Dicranum brevifolium (Lindb.)Lindb., D. fuscescens var. flexicaule (Brid.)Wils. and D. majus var. orthophyllum A.Braun ex Mild. were not previously recognized for the province. Dicranum angustum Lindb. is included in the synonomy of D. spadiceum Zett. sensu lato. A key to the Dicranaceae and to the Dicranum of Quebec is provided, together with a Table of Species Comparison. A diagnosis, illustrations of diagnostic characters, distribution maps and a discussion of their variability is presented for each species.