Pterigynandrum filiforme

Hedwig

Sp. Musc. Frond., 81. 1801.

Illustrated
Treatment appears in FNA Volume 28. Treatment on page 368.

Stems with epidermal-cells smooth. Stem-leaves 0.6–1 mm; alar cells small, subquadrate; distal laminal cells curved. Seta 0.5–1.5 cm. Capsule 1–2.5 mm, smooth; peristome diplolepidous; exostome teeth 16, lanceolate, short; endostome segments 16, linear, stout. Spores 11–13 µm.


Habitat: Mesic, rock shelves in montane forests, acidic rock
Elevation: low to high elevations

Distribution

V28 577-distribution-map.gif

Greenland, Alta., B.C., N.B., Nfld. and Labr., N.W.T., N.S., Ont., P.E.I., Que., Yukon, Alaska, Calif., Colo., Idaho, Maine, Mass., Mich., Minn., Mont., N.H., N.Y., N.C., Oreg., Pa., S.Dak., Tenn., Vt., Va., Wash., W.Va., Wis., Wyo., West Indies, Central America, Europe, Asia

Discussion

Pterigynandrum filiforme is characterized by its slender, sleek, braided stems trailing down the sides of acidic rock. The somewhat curved, ovate, rather blunt leaves, and rhombic, coarsely prorulose laminal cells are additional identifying features.

Selected References

None.

Lower Taxa

None.
... more about "Pterigynandrum filiforme"
obtuse +  and acute +
Dale H. Vitt +
Hedwig +
cylindric +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
subquadrate +
differentiated +
Greenland +, Alta. +, B.C. +, N.B. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Yukon +, Alaska +, Calif. +, Colo. +, Idaho +, Maine +, Mass. +, Mich. +, Minn. +, Mont. +, N.H. +, N.Y. +, N.C. +, Oreg. +, Pa. +, S.Dak. +, Tenn. +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Wyo. +, West Indies +, Central America +, Europe +  and Asia +
low to high elevations +
Mesic, rock shelves in montane forests, acidic rock +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
oblongelliptic +  and falcate +
erect +  and reflexed +
subentire +  and serrulate +
pendent;prostrate +
thread-like +
papillose +  and smooth +
dioicous +  and sexual +
oblong-rhomboidal +, rhomboidal +  and quadrate +
cucullate +, conic +  and short-rostrate +
Sp. Musc. Frond., +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Illustrated +
often somewhat larger +
erect;more or less creeping +
Pterigynandrum filiforme +
Pterigynandrum +
species +
green +  and yellow-green +