Microbryum davallianum var. commutatum

(Limpricht) R. H. Zander

Bull. Buffalo Soc. Nat. Sci. 32: 240. 1993,.

Basionym: Pottia commutata Laubm. Deutschl. 1: 537, fig. 160. 1888
Synonyms: Pottia davalliana subsp. commutata (Limpricht) Podpera
Treatment appears in FNA Volume 27. Treatment on page 630.

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 µm.

Phenology: Capsules mature late winter (Feb).
Habitat: Soil
Elevation: low elevations


V27 926-distribution-map.gif

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.

Selected References


Lower Taxa

Richard H. Zander +
(Limpricht) R. H. Zander +
Pottia commutata +
Calif. +, Europe +, sw Asia +  and n Africa. +
low elevations +
Capsules mature late winter (Feb). +
Bull. Buffalo Soc. Nat. Sci. +
Pottia davalliana subsp. commutata +
Microbryum davallianum var. commutatum +
Microbryum davallianum +
variety +