Bryum julaceum Schrader ex P. Gaertner, B. Meyer & Scherbius, Oekon. Fl. Wetterau 3(2): 97. 1802; Pohlia filiformis (Dickson) Andrews

Stems strongly julaceous. Leaves loosely imbricate when dry, strongly concave, 0.6-1.2 mm; costa ending mid leaf or 2/3 leaf length, rarely percurrent; distal laminal cells elongate-vermicular, 60-100 µm, 8-10:1, walls sinuate. Specialized asexual reproduction absent. Seta 2-3 cm. Capsule inclined to nodding, brown or red-brown, ovate-pyriform, 1-2 mm; peristome double; endostome basal membrane high, segments broadly perforated, cilia 1-3, appendiculate to nodose. Spores 8-13 µm.

Capsules mature Jun-Sep. Acidic seepy or damp soil, soil over rock, ledges; low to high elevations (0-4000 m); Greenland; Alta., B.C., N.W.T., Nunavut, Yukon; Alaska, Calif., Colo., Conn., Mich., Minn., N.Y., N.C., Pa., Wis.; Mexico; Central America; South America; Eurasia; Africa; Subantarctic Islands.

Anomobryum julaceum is a widespread boreal-temperate species; capsules are very rare. Material from southern California and Mexico has been referred to var. mexicanum Schimper, but this variety is not recognized here.