Difference between revisions of "Pseudobryum"
Ann. Bot. Fenn. 5: 147. 1968.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Mnium subg. Pseudobryum | |name=Mnium subg. Pseudobryum | ||
|authority=Kindberg | |authority=Kindberg | ||
| + | |rank=subgenus | ||
| + | |publication_title=Eur. N. Amer. Bryin. | ||
| + | |publication_place=2: 338. 1898 (as Pseudo-Bryum) | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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|distribution=North America;Eurasia;circumtemperate to circumboreal. | |distribution=North America;Eurasia;circumtemperate to circumboreal. | ||
|discussion=<p>Species 2 (1 in the flora).</p><!-- | |discussion=<p>Species 2 (1 in the flora).</p><!-- | ||
| − | --><p>Pseudobryum consists of two species of which one (P. cinclidioides; n = 6) is in the flora area and the other [P. speciosum (Mitten) T. J. Koponen; n = 7] is Asiatic. The latter is differentiated also by leaf characters and polysety.</p> | + | --><p><i>Pseudobryum</i> consists of two species of which one (<i>P. cinclidioides</i>; n = 6) is in the flora area and the other [P. speciosum (Mitten) T. J. Koponen; n = 7] is Asiatic. The latter is differentiated also by leaf characters and polysety.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1968 | |publication year=1968 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V28/V28_377.xml |
|genus=Pseudobryum | |genus=Pseudobryum | ||
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-->[[Category:Treatment]][[Category:Mniaceae]] | -->[[Category:Treatment]][[Category:Mniaceae]] | ||
Latest revision as of 21:35, 5 November 2020
Plants 3–10(–15) cm, in loose mats. Stems brown, erect, simple or sometimes branched distally, not dendroid; rhizoids brown, macronemata mainly proximal, scattered distally, micronemata present. Leaves green or yellow-green, dark brown when old, crisped and weakly contorted when dry, erect or erect-spreading, often weakly undulate when moist, broadly ovate, elliptic, or sometimes orbicular, (3–)4–6(–7) mm; base not or short-decurrent; margins plane, green or yellow-green, 1-stratose, entire or lightly toothed to below mid leaf, teeth single, blunt or sometimes rounded; apex rounded, obtuse, or rarely retuse, apiculate; costa subpercurrent, ending well before apex, or rarely percurrent, distal abaxial surface smooth; medial laminal cells elongate, often ± rhomboidal, usually 3+:1, (30–)40–80(–110) µm, in diagonal rows, not collenchymatous, walls pitted; marginal cells indistinctly differentiated from medial cells, short-linear or rhomboidal, in 1–2(–3) rows. Specialized asexual reproduction absent. Sexual condition dioicous. Seta single or rarely double, orange-yellow, 2–5.5 cm, flexuose. Capsule pendent, yellowish brown, ovate, 2–2.5 mm; operculum conic-apiculate; exostome dark brown; endostome yellowish brown. Spores 31–40 µm.
Distribution
North America, Eurasia, circumtemperate to circumboreal.
Discussion
Species 2 (1 in the flora).
Pseudobryum consists of two species of which one (P. cinclidioides; n = 6) is in the flora area and the other [P. speciosum (Mitten) T. J. Koponen; n = 7] is Asiatic. The latter is differentiated also by leaf characters and polysety.
Selected References
None.