Canad. Rec. Sci. 6: 72. 1894.
Plants medium-sized to large, yellow-green to red bronze, strongly or weakly glossy. Stems 2–6 cm, somewhat to weakly complanate-foliate, subpinnate to irregularly branched. Leaves erect-spreading, ovate to lanceolate; margins toothed distally; apex long-acuminate; costa double or obscure; alar cells quadrate or rectangular, enlarged, pigmented, walls thick, region differentiated in several rows, middle lamella apparent, supra-alar cells differentiated; laminal cells elongate, flexuose, smooth. Sexual condition autoicous or dioicous. Seta 2–4 cm. Capsule inclined to suberect, cylindric; exothecial cell walls not collenchymatous; operculum conic.
se United States, Mexico, Central America, Eurasia, Pacific Islands.