Webera pyriformis Hedwig, Sp. Musc. Frond., 169. 1801

Plants 0.5-1.5(-6) cm. Stem leaves flexuose when dry, erect to wide-spreading when moist, lanceolate proximally, abruptly long-linear distally, to 4-5 mm; base elliptic, not decurrent; margins entire or sometimes denticulate near apex; apex narrowly acuminate; costa wide, ending in apex; laminal cells clear. Specialized asexual reproduction by red, rounded brood bodies in leaf axils or on rhizoids. Sexual condition synoicous, occasionally apparently dioicous. Seta 1-4.5 cm. Capsule 1.5-2.5 mm. Spores 9-13 µm.

Soil, wood, rock, disturbed habitats, greenhouses; low to high elevations; Greenland; Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., Que., Sask., Yukon; Ala., Alaska, Ariz., Ark., Calif., Colo., Conn., Del., D.C., Fla., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Oreg., Pa., R.I., S.Dak., Tenn., Utah, Vt., Va., Wash., W.Va., Wis., Wyo.; Mexico; West Indies (Haiti); Central America (Guatemala); South America; Eurasia; Pacific Islands (New Guinea, New Zealand); Australia (Tasmania).

Leptobryum pyriforme is distinguished by its disturbed, often ruderal habitat, long-linear flexuose leaves that are much longer distally than proximally, and nodding, pyriform capsules.