Myurella sibirica

(Müller Hal.) Reimers

Hedwigia 76: 292. 1937.

Illustrated
Basionym: Hypnum sibiricum Müller Hal. Syn. Musc. Frond. 2: 418. 1851 M. sibirica var. tenella (Habeeb) H. A. Crum Steere & L. E. Anderson
Synonyms: Myurella careyana Sullivant
Treatment appears in FNA Volume 28. Treatment on page 372. Mentioned on page 371.

Plants green, glaucous. Stem-leaves loosely erect to widespreading, distant, ovate, 0.4–0.6 mm; margins irregularly dentate to spinose-dentate; apex long-apiculate to slender-acuminate; distal laminal cells strongly 1-papillose abaxially.


Habitat: Mesic, calcareous rock crevices
Elevation: low to moderate elevations

Distribution

V28 584-distribution-map.gif

B.C., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., Que., Yukon, Alaska, Ark., Ill., Ind., Iowa, Ky., Maine, Md., Mich., Minn., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., S.C., Tenn., Vt., Va., W.Va., Wis., Europe, n Asia

Discussion

Myurella sibirica is common in the East but becomes rare in northwestern North America. Small, slender, glaucous plants with widely spaced leaves and very large papillae distinguish this species. The leaves end in a rather long, slender apiculus, and the margins are distinctly and irregularly serrulate. The large central papillae and strongly toothed leaf margins distinguish this species from M. julacea and M. tenerrima.

Selected References

None.

Lower Taxa

None.
... more about "Myurella sibirica"
long-apiculate +  and slender-acuminate +
Dale H. Vitt +
(Müller Hal.) Reimers +
Hypnum sibiricum +  and M. sibirica var. tenella +
erect +  and nearly horizontal +
cylindric +
not differentiated +
B.C. +, N.B. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Nunavut +, Ont. +, Que. +, Yukon +, Alaska +, Ark. +, Ill. +, Ind. +, Iowa +, Ky. +, Maine +, Md. +, Mich. +, Minn. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, S.C. +, Tenn. +, Vt. +, Va. +, W.Va. +, Wis. +, Europe +  and n Asia +
low to moderate elevations +
Mesic, calcareous rock crevices +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
loosely erect +  and widespreading +
spaced +  and imbricate +
erect;widespreading +
round +  and ovate +
irregularly dentate +  and spinose-dentate +
subentire +
thread-like +
papillose +  and smooth +
dioicous +  and sexual +
oblong-rhomboidal +, rhomboidal +  and quadrate +
cucullate +, conic +  and short-rostrate +
Illustrated +
often somewhat larger +
simple;irregularly branched +
erect;more or less creeping +
Myurella careyana +
Myurella sibirica +
Myurella +
species +