Difference between revisions of "Isopterygiopsis muelleriana"
J. Hattori Bot. Lab. 33: 379. 1970.
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|special_status={{Treatment/ID/Special_status | |special_status={{Treatment/ID/Special_status | ||
|code=F | |code=F | ||
| − | |label= | + | |label=Illustrated |
}} | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Plagiothecium muellerianum | |name=Plagiothecium muellerianum | ||
|authority=Schimper | |authority=Schimper | ||
| + | |rank=species | ||
|publication_title=Syn. Musc. Eur., | |publication_title=Syn. Musc. Eur., | ||
|publication_place=584. 1860 | |publication_place=584. 1860 | ||
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|name=Isopterygium muellerianum | |name=Isopterygium muellerianum | ||
|authority=(Schimper) A. Jaeger | |authority=(Schimper) A. Jaeger | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Hypnaceae;Isopterygiopsis;Isopterygiopsis muelleriana | |hierarchy=Hypnaceae;Isopterygiopsis;Isopterygiopsis muelleriana | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Isopterygiopsis muelleriana | name=Isopterygiopsis muelleriana | ||
| − | |||
|authority=(Schimper) Z. Iwatsuki | |authority=(Schimper) Z. Iwatsuki | ||
|rank=species | |rank=species | ||
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|publication title=J. Hattori Bot. Lab. | |publication title=J. Hattori Bot. Lab. | ||
|publication year=1970 | |publication year=1970 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V28/V28_856.xml |
|genus=Isopterygiopsis | |genus=Isopterygiopsis | ||
|species=Isopterygiopsis muelleriana | |species=Isopterygiopsis muelleriana | ||
Revision as of 21:18, 16 December 2019
Plants in thin mats, yellowish. Stems 2 cm, 0.8–2 mm wide, complanate-foliate; epidermal cells large, walls thin, cortical cells in 1–several layers, small, walls thick. Leaves somewhat rigid, erect-spreading, crowded, imbricate, ovate- to oblong-lanceolate, weakly concave, 0.5–1.5 × 0.3–0.5 mm; margins plane, entire or minutely serrulate; apex acuminate, often abruptly so; alar cells not differentiated or sometimes short-rectangular, 8–24 × 4–7 µm; medial laminal cells 55–94 × 3–6 µm. Specialized asexual reproduction sometimes present as propagula, 66–96 × 6–12 µm, of 2–6 cells. Sexual condition dioicous. Seta brown to reddish, 0.6–1.2 cm. Capsule erect or rarely ± cernuous, yellowish to orange-brown, ellipsoid to ovoid, straight, 0.5–1.5 mm; operculum conic to obliquely rostrate, 0.4–0.8 mm. Spores 8–12 µm.
Phenology: Capsules mature fall (Sep).
Habitat: Acidic cliffs, rock outcrops, boulders in woods
Elevation: moderate elevations (300-1200 m)
Distribution
B.C., N.B., Nfld. and Labr., N.W.T., N.S., Ont., Que., Yukon, Alaska, Ark., Conn., Ill., Ky., Maine, Md., Mich., Minn., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., S.C., Tenn., Utah, Vt., Va., Wis., Mexico (Distrito Federal), Europe, Asia.
Discussion
Isopterygiopsis muelleriana is easily distinguished from the other two species in the genus by stems that are complanate-foliate, pectinate, appearing concave on the adaxial surface because of the upturned leaves, and by epidermal stem cells that are very large and thin-walled. Inclusion here of the Utah record is based on S. Flowers (1973).
Selected References
None.