Microbryum davallianum var. conicum
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.
Revision as of 21:06, 16 December 2019 by FNA>Volume Importer
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
Distribution
Calif., Nebr., Okla., Tex., Mexico (Baja California), Europe, sw Asia, w, s Africa, Pacific Islands (New Zealand).
Discussion
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
None.
Lower Taxa
None.