Taxon: Ditrichum brevidens

Plate 17. Ditrichum brevidens. 1, habit (× 25). 2–5, leaves (× 30). 6, basal leaf cells (× 335). 7, leaf shoulder cells (× 335). 8, 9, capsules (× 25). 10, peristome and annuli (× 335). 11, spore (× 550). (Drawn from C. Gao 20482, IFSBH.)