Barbula convoluta var. convoluta
Specialized asexual reproduction, when present. as spheric tubers on proximal rhizoids buried in soil. Perichaetial leaves highly differentiated, closely sheathing, apex obtuse to rounded and laminal cells mostly rhomboid and smooth throughout.
Phenology: Capsules mature spring–summer (Mar–Aug, Jun).
Habitat: Rock, soil, sand, thin soil on rock, gravel, lava, cement, often associated with limestone or dolomite, bricks and mortar, walls, stumps, woods, fields
Elevation: low to high elevations (10-3300 m)
Greenland, Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., Que., Sask., Yukon, Ala., Alaska, Ariz., Ark., Calif., Colo., Fla., Ga., Idaho, Ill., Ind., Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Mont., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., S.C., S.Dak., Tenn., Vt., Va., Wash., W.Va., Wis., Central America, Eurasia, Pacific Islands (New Zealand).