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FNA | Family List | FNA Vol. 27 | Pottiaceae | Microbryum

3. Microbryum floerkeanum (Weber & D. Mohr) Schimper, Syn. Musc. Eur. 11. 1860.

Phascum floerkeanum Weber & D. Mohr, Bot. Taschenbuch, 70, fig. 451. 1807

Distal laminal cells weakly convex superficially, adaxial surface of costa not mammillose. Seta extremely short, nearly absent. Capsule nearly spherical, cleistocarpous. Spores papillose, 20-25 µm.

Capsules mature in late fall (Oct-Nov). Soil, fields, pastures; low elevations; Ont.; Europe; sw Asia; n Africa.

The leaves of Microbryum floerkeanum are ovate to ovate-lanceolate and sheath the immersed capsule. The papillae occur near the apex of the leaf, one per lumen, and are large, nearly covering the lumen. The calyptra is variably papillose, merely rough, or smooth. Variety badium (Bruch & Schimper) Schimper is poorly distinguishable, but may be segregated by its long-acuminate leaf apices—the typical variety has short-acuminate apices.


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