Entodon brevisetus

(Hooker & Wilson) Lindberg

Contr. Fl. Crypt. As., 253. 1873.

Endemic
Basionym: Neckera breviseta Hooker & Wilson J. Bot. (Hooker) 4: 419, plate 24, fig. A. 1842
Treatment appears in FNA Volume 28. Treatment on page 504. Mentioned on page 503.

Plants in thin mats, yellow-green. Stems to 5 cm, subpinnate, branches terete-foliate. Leaves erect to spreading, oblong-lanceolate, slightly plicate, 1.2–2 mm; margins plane, subentire proximally, ± serrulate distally; apex slender acuminate; ecostate or costa double, short; alar region ± abruptly differentiated, 1-stratose, not reaching costa. Sexual condition autoicous. Seta yellow, 0.5–1.5 cm. Capsule cylindric, to 1.4–2 mm; annulus 3-seriate or 4-seriate, persistent; operculum bluntly short-rostrate; exostome teeth reddish, external surface densely papillose throughout, not perforate; endostome segments densely papillose. Spores 16–21 µm.


Habitat: Bark at base of hardwood trees, logs, stumps, rock
Elevation: low to moderate elevations

Distribution

V28 784-distribution-map.gif

N.B., Nfld. and Labr. (Nfld.), Ga., Ill., Ind., Maine, Mass., N.J., N.Y., N.C., Ohio, Pa., Va., W.Va., Wis.

Discussion

Entodon brevisetus is an uncommon but widely dispersed species recognizable by its terete-foliate plants with slenderly acuminate leaves. The setae are yellow and the exostome teeth are densely papillose throughout. The endostome is sometimes adherent to the exostome teeth.

Selected References

None.

Lower Taxa

None.
... more about "Entodon brevisetus"
4-seriate +  and 3-seriate +
not +  and differentiated +
acuminate +
slender +
dioicous +, autoicous +, sexual +  and asexual +
William R. Buck +
(Hooker & Wilson) Lindberg +
not decurrent +
Neckera breviseta +
terete-foliate +
concave;lanceolate;broadly ovate +
cucullate +
yellow;redbrown +
cylindric +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
quadrate;subquadrate +
not differentiated +
N.B. +, Nfld. and Labr. (Nfld.) +, Ga. +, Ill. +, Ind. +, Maine +, Mass. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, Va. +, W.Va. +  and Wis. +
low to moderate elevations +
bordered +  and not shouldered +
quadrate;short-rectangular +
Bark at base of hardwood trees, logs, stumps, rock +
perforate +  and trabeculate +
smooth +  and striate +
straight;more or less flexuose +
erect;spreading +
oblong-lanceolate +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
subentire +  and plane +
extensive +
short-rostrate +
papillose +
Contr. Fl. Crypt. As., +
autoicous +  and sexual +
differentiated +
striate +, papillose +  and smooth +
elongate +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
spheric +
concave +, lanceolate +  and broadly ovate +
0 cm0 mm <br />0 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Entodon brevisetus +
species +
thin +  and thick +
medium-sized +  and moderately large +