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

2b. Microbryum davallianum var. commutatum (Limpricht) R. H. Zander, Bull. Buffalo Soc. Nat. Sci. 32: 240. 1993.

Pottia commutata Limpricht, Laubm. Deutschl. 1: 537, fig. 160. 1888; P. davalliana subsp. commutata (Limpricht) Podpera

Capsule narrow-mouthed when dehisced, with usually 2 or more rows of thickened cells below mouth; peristome well developed though apically truncate. Spores papillose, 27-34 ┬Ám.

Capsules mature late winter (Feb). Soil; low elevations; Calif.; Europe; sw Asia; n Africa.

Variety commutatum is known only from California (Berkeley, Howe 79, US), last collected in 1894, from which station it is disjunct to the Old World.


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