Amphidium mougeotii

(Bruch & Schimper) Schimper

Coroll. Bryol. Eur., 40. 1856.

Illustrated
Basionym: Zygodon mougeotii Bruch & Schimper Bryol. Europ. 3: 39, plate 206. 1836
Treatment appears in FNA Volume 28. Treatment on page 40. Mentioned on page 39.

Plants 2–5 cm. Stem-leaves linear-lanceolate, 1.5–3 mm; margins plane, entire; basal laminal cells yellowish, walls thick; distal cells 5–9 µm, slightly obscured by papillae, papillae elliptic, small. Sexual condition dioicous; perichaetial leaves elongate, narrow, base subsheathing, apex long-pointed. Seta 2.2–3.5 mm. Capsule barely exserted, 1–1.5 mm; operculum rostrate, greater than diam. of capsule. Spores 9–12 µm.


Habitat: Seasonally wet crevices of neutral to acidic cliffs
Elevation: low to moderate elevations

Distribution

V28 45-distribution-map.gif

Greenland, B.C., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., Que., Yukon, Ala., Alaska, Calif., Colo., Conn., Ga., Idaho, Ky., Maine, Minn., Mont., N.H., N.Y., N.C., Ohio, Oreg., Pa., S.Dak., Tenn., Vt., Va., Wash., W.Va., Europe, Asia

Discussion

Amphidium mougeotii has linear, entire leaves and small laminal cells (5–9 µm). The cuticular papillae are numerous and elliptic, and only slightly obscure the distal cells, whereas in A. lapponicum they are larger, warty, and more noticeable.

Selected References

None.

Lower Taxa

None.
... more about "Amphidium mougeotii"
awned +  and apiculate +
Dale H. Vitt +
(Bruch & Schimper) Schimper +
not decurrent +
Zygodon mougeotii +
cucullate +
constricted +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
differentiated +
short-excurrent +  and percurrent +
Greenland +, B.C. +, N.B. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Nunavut +, Ont. +, Que. +, Yukon +, Ala. +, Alaska +, Calif. +, Colo. +, Conn. +, Ga. +, Idaho +, Ky. +, Maine +, Minn. +, Mont. +, N.H. +, N.Y. +, N.C. +, Ohio +, Oreg. +, Pa. +, S.Dak. +, Tenn. +, Vt. +, Va. +, Wash. +, W.Va. +, Europe +  and Asia +
low to moderate elevations +
linear-lanceolate +
reflexed +, recurved +  and erect +
striate +  and papillose +
rectangular;elliptic +
connate +
occasional +
Seasonally wet crevices of neutral to acidic cliffs +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
linear-lanceolate +
flexuose +
not rugose +
linear +  and narrowly lanceolate +
dioicous +, autoicous +  and sexual +
mammillose +  and smooth +
dioicous +  and sexual +
2-fid +  and conic +
lateral +  and terminal +
Coroll. Bryol. Eur., +
sinistrorse +, dextrorse +  and erect +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Illustrated +
superficial +
Amphidium mougeotii +
Amphidium +
species +
specialized +
cladautoicous +, pseudautoicous +, dioicous +  and sexual +
incrassate +
olive brown;reddish-brown;olive brown;reddish-brown;dark green +