Flora of North America species comparison

erect to falcate-secund, 2–3 mm, gradually narrowed from a lanceolate base to a subula largely occupied by the costa;

margins erect, serrulate in the distal half of the limb;

costa excurrent;

cells in 1–3 rows above the leaf middle, rather short-rectangular, 11–14 × 4–7 µm. Sexual condition dioicous.

5–15 mm, yellowish.

1–1.5 mm, suberect or sometimes inclined to horizontal, cylindric, often curved, asymmetric, tapered at the neck, usually ± obliquely furrowed and constricted on 1 side below an oblique mouth;

annulus consisting of 1 row of small cells, persistent;

operculum long-rostrate;

peristome teeth 400–500 µm, divided 1/2 length distally.

14–18 µm, faintly roughened.