Microbryum davallianum var. conicum

(Schwägrichen) R. H. Zander

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

Basionym: Gymnostomum conicum Wareham Sp. Musc. Frond. Suppl. 1(1): 26, plate 9. 1811
Synonyms: Pottia starckeana subsp. conica (Schwägrichen) D. P. Chamberlain Pottia texana
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 rudimentary or absent. Spores papillose, 27–34 µm.

Phenology: Capsules mature late winter and spring (Feb–Apr).
Habitat: Soil
Elevation: low elevations


V27 927-distribution-map.gif

Calif., Nebr., Okla., Tex., Mexico (Baja California), Europe, sw Asia, w, s Africa, Pacific Islands (New Zealand).


The San Marcos, Texas specimen (MICH) of var. conicum has a flaring mouth like that of var. davallianum. Another Texas specimen (Orcutt 5565, CANM, WTU) has a weak peristome (a thin line of proximal membrane).

Selected References


Lower Taxa

Richard H. Zander +
(Schwägrichen) R. H. Zander +
Gymnostomum conicum +
Calif. +, Nebr. +, Okla. +, Tex. +, Mexico (Baja California) +, Europe +, sw Asia +, w +, s Africa +  and Pacific Islands (New Zealand). +
low elevations +
Capsules mature late winter and spring (Feb–Apr). +
Bull. Buffalo Soc. Nat. Sci. +
Pottia starckeana subsp. conica +  and Pottia texana +
Microbryum davallianum var. conicum +
Microbryum davallianum +
variety +