Tripterocladium leucocladulum

(Müller Hal.) A. Jaeger

Ber. Thätik. St. Gallischen Naturwiss. Ges. 1877 – 78: 484. 1880.

Basionym: Hypnum leucocladulum Müller Hal. Flora 58: 79. 1875
Treatment appears in FNA Volume 28. Treatment on page 622.

Plants pale yellow, green, or brownish, shiny. Stems erect-ascending, often filiform, branches of unequal lengths; pseudoparaphyllia broadly rounded-foliose. Stem leaves imbricate when dry, erect-spreading when moist, 1.1–1.2 mm; margins plane or somewhat recurved near base; apex broadly acuminate; alar cells subquadrate, small, region sizable; distal laminal cells linear, smooth, walls thick. Branch leaves 0.4–0.8 mm. Perichaetia with leaves pale, abruptly tapering, base sheathing, margins entire or nearly so, apex short-subulate. Seta smooth. Capsule 1.5–2 mm, neck short; stomata in neck; annulus well differentiated; exostome teeth pale yellow, cross striolate proximally; endostome basal membrane high, segments narrow, densely papillose, perforate along keel, cilia single, nodose. Calyptra unknown. Spores 12–19 µm, papillose.

Habitat: Dry, shaded cliffs and boulders
Elevation: moderate elevations (400-600 m)


V28 978-distribution-map.gif

B.C., Calif., Idaho, Oreg., Wash.


Selected References


Lower Taxa

Howard A. Crum† +
(Müller Hal.) A. Jaeger +
Hypnum leucocladulum +
B.C. +, Calif. +, Idaho +, Oreg. +  and Wash. +
moderate elevations (400-600 m) +
Dry, shaded cliffs and boulders +
Ber. Thätik. St. Gallischen Naturwiss. Ges. +
Endemic +  and Illustrated +
Tripterocladium leucocladulum +
Tripterocladium +
species +