Taxon 9: 51. 1960.
Plants green. Branch leaves with distal leaves erect-spreading to spreading and widest distally, lanceolate-oblong to ovatelanceolate, 1.5–3 mm; margins denticulate proximally as projecting cell ends, entire distally; apex acute, ending in long, linear, fragile subula; costa prominent, vanishing in subula, or often ending near apex in proximal leaves; distal laminal cells irregularly rounded to elliptic-hexagonal, 3–6 µm. Sexual condition dioicous, male plants similar to female; perigonia terminal. Seta 5–11 mm. Capsule oblong to short-cylindric, 2.2–3.5 mm. Spores isosporous, 22–32 µm.
Habitat: Trees, rock in subtropical forests
Elevation: low elevations
Fla., Mexico (San Luis Potosí), Mexico (Tamaulipas), West Indies, Central America, South America, Asia
Groutiella tomentosa has leaves narrowed to a rigid, long, often fragile subula.