James Stirton's new Racomitrium taxa revised

Abstract

Lectotypes are selected of six mosses described by James Stirton. Grimmia sublunda, G. calvescens and G. papillulata are synonyms of Racomitrium sudeticum; R. heterostichum var. amblyphyllum and R. divergens are synonyms of R. heterostichum; Grimmia fuscoviridis is a synonym of Racomitrium ellipticum; and R. consocians is a synonym of R. ericoides.