Orthotrichum sordidum

Sullivant & Lesquereux in C. F. Austin

in C. F. Austin, Musci Appalach., 168. 1870

Selected by author to be illustrated
Synonyms: Orthotrichum affine var. sordidum (Sullivant & Lesquereux) Grout O. affine subsp. subrivale Kindberg O. cancellatum unknown
Treatment appears in FNA Volume 28. Treatment on page 67. Mentioned on page 47.
Click plate for higher resolution version.
Illustrator: Patricia M. Eckel
Plants 0.5–3 cm. Stem leaves loosely erect-appressed and often slightly contorted when dry, narrowly lanceolate to oblong-lanceolate, 2–3.6 mm; margins revolute to near apex, entire; apex acute; basal laminal cells elongate-rectangular, walls thick, nodose; distal cells 7–14 µm, 1-stratose, papillae 2 or 3 per cell, conic, size moderate. Specialized asexual reproduction absent. Sexual condition gonioautoicous. Seta 0.5–1.6 mm. Capsule 1/2–2/3 emergent, sometimes immersed or fully exserted, oblong to oblong-cylindric, 0.8–1.5 mm, strongly 8-ribbed 1/2–2/3 length; stomata superficial; peristome double; prostome rudimentary or absent; exostome teeth 8, reflexed, reticulately papillose to obscurely papillose, deeply perforate, cancellate; endostome segments 8, well developed, usually present when capsule is old and dry, narrow, of 1 or 2 rows of cells, smooth or finely verrucose. Calyptra oblong-conic, smooth, sparsely hairy, hairs smooth or papillose. Spores 19–29 µm.

Habitat: Trunks of deciduous and coniferous trees, boulders in hardwood forests, small trees
Elevation: low to moderate elevations (0-1000 m)


V28 98-distribution-map.gif

Man., N.B., Nfld. and Labr., N.W.T., N.S., Ont., P.E.I., Que., Alaska, Maine, Mass., Mich., Minn., N.H., N.J., N.Y., Pa., Vt., Wis., n Asia.


Orthotrichum sordidum is distinguished by its oblong capsules with exostome teeth perforate almost to the base and cancellate distally. The capsule neck is long and shriveled.



Lower Taxa

No lower taxa listed.

Facts about "Orthotrichum sordidum"
AuthorDale H. Vitt +
AuthoritySullivant & Lesquereux in C. F. Austin +
DistributionMan. +, N.B. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Alaska +, Maine +, Mass. +, Mich. +, Minn. +, N.H. +, N.J. +, N.Y. +, Pa. +, Vt. +, Wis. + and n Asia. +
Elevationlow to moderate elevations (0-1000 m) +
HabitatTrunks of deciduous and coniferous trees, boulders in hardwood forests, small trees +
IllustratorPatricia M. Eckel +
Publication titlein C. F. Austin, Musci Appalach., +
Publication year1870 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V28/V28 98.xml +
Special statusSelected by author to be illustrated +
SynonymsOrthotrichum affine var. sordidum +, O. affine subsp. subrivale + and O. cancellatum +
Taxon familyOrthotrichaceae +
Taxon nameOrthotrichum sordidum +
Taxon parentOrthotrichum +
Taxon rankspecies +
VolumeVolume 28 +