Leaves ovate
to ovate-lanceolate, up to c. 3.5mm; leaf base with a group of
inflated coloured cells at insertion point; leaf margins smooth to
weakly toothed near apex
Ptychostomum
Leaves
mostly obovate to spathulate, often exceeding 4mm; leaf base without
inflated coloured cells; leaf margins usually distinctly toothed and
rarely entire