Flora of North America species comparison

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Pterigynandrum filiforme

capillary granite moss, capillary wing-moss, pterigynandrum moss
Stem(s)

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.

Pterigynandrum filiforme
Habitat Mesic, rock shelves in montane forests, acidic rock
Elevation low to high elevations
Distribution
from FNA
AK; CA; CO; ID; MA; ME; MI; MN; MT; NC; NH; NY; OR; PA; SD; TN; VA; VT; WA; WI; WV; WY; AB; BC; NB; NL; NS; NT; ON; PE; QC; YT; Central America; Europe; Greenland; West Indies; Asia
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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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 28, p. 368.
Parent taxa Pterigynandraceae > Pterigynandrum
Name authority Hedwig: Sp. Musc. Frond., 81. (1801)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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