Anomodon sect. Herpetineuron Müller Hal., Flora 73: 496. 1890

Plants large, green, dark green, or yellowish brown. Stems with branches arcuate, circinate or often attenuate to flagellate; central strand cells well differentiated, smaller; pseudoparaphyllia absent. Branch leaves incurved, secund when dry, erect, not complanate when moist, ovate-lanceolate, gradually tapered from base to apex, somewhat plicate proximally; margins plane, serrate in distal 1/4-1/3; apex sharply acuminate; costa strong, not obscured by laminal cells, not 2-fid at end, abaxial costa cells smooth; laminal cells rectangular to rhombic, slightly longer than wide, smooth, walls somewhat thickened; distal cells sometimes prorulate. Perichaetial leaves somewhat differentiated. [Seta 1.4-1.6 cm. Capsule slightly asymmetric; stomata few; peristome fairly well developed; exostome teeth yellowish, papillose and faintly striolate at base and beyond; endostome basal membrane to 3 or 4 cells high, segments papillose throughout. Calyptra smooth. Spores 16-22 µm].

Species 1: nearly worldwide; mostly temperate or montane regions.

SELECTED REFERENCE Norris, D. H. and A. J. Sharp. 1961. The known distribution of Herpetineuron toccoae (Sull. & Lesq.) Card. J. Hattori Bot. Lab. 24: 110-114.

Lower Taxon

• Herpetineuron toccoae (Sullivant & Lesquereux) Cardot