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

2c. Microbryum davallianum var. conicum (Schwägrichen) R. H. Zander, Bull. Buffalo Soc. Nat. Sci. 32: 240. 1993.

Gymnostomum conicum Schwägrichen, Sp. Musc. Frond. Suppl. 1(1): 26, plate 9. 1811; Pottia starckeana subsp. conica (Schwägrichen) D. P. Chamberlain; P. texana Wareham

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.

Capsules mature late winter and spring (Feb-Apr). Soil; low elevations; 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).


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