View source for Rhizomnium gracile

{{Treatment/ID
|accepted_name=Rhizomnium gracile
|accepted_authority=T. J. Koponen
|publications={{Treatment/Publication
|title=Ann. Bot. Fenn.
|place=10: 16, figs. 62–73. 1973
|year=1973
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Mnium gracile
|authority=(T. J. Koponen) H. A. Crum & L. E. Anderson
}} {{Treatment/ID/Synonym
|name=M. koponenii
|authority=H. A. Crum
}}
|hierarchy=Mniaceae;Rhizomnium;Rhizomnium gracile
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Mniaceae]]</div><div class="higher-taxon"><small>genus</small>[[Rhizomnium]]</div><div class="higher-taxon"><small>species</small>[[Rhizomnium gracile]]</div></div>
|volume=Volume 28
|mention_page=page 237, 238
|treatment_page=page 239
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>1–3(–5) cm. <b>Stems</b> dark red or reddish brown, or brown when old; micronemata present, often indistinct. <b>Leaves</b> green or occasionally pale reddish or reddish brown, variously contorted when dry, obovate or orbicular, 1.5–3(–4) mm; margins green or rarely reddish or pale brown, blackish on older leaves, 1-stratose; apex rounded or rarely retuse, rarely short-apiculate; costa ending well before apex to 7/8 leaf length or rarely longer, often 2-fid distally; medial laminal cells elongate, 35–65(–100) µm, collenchymatous, walls pitted; marginal cells linear, rhomboidal, or ± rectangular, in 1–2(–3) rows. <b>Sexual</b> condition dioicous. <b>Seta</b> 1.5–2 cm. <b>Capsule</b> ovate to subglobose, 1–1.5 mm; operculum conic; exostome brown, lamellae less than 20. <b>Spores</b> 28–36 µm.</span><!--

-->{{Treatment/Body
|phenology=Capsules mature summer.
|habitat=Muskegs, bogs, seeps, cliff crevices, moist soil, peat, humus
|elevation=low elevations
|distribution=Alta.;B.C.;Man.;Nfld. and Labr.;N.W.T.;Ont.;Que.;Sask.;Yukon;Alaska;Europe.
|discussion=<p>The leaves of <i>Rhizomnium gracile</i> are usually unpigmented, including the margins. <i>Rhizomnium pseudopunctatum</i> is similar in appearance but distinguished by its synoicous sexual condition, larger leaves, and usually pigmented leaf border.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Rhizomnium gracile
|author=
|authority=T. J. Koponen
|rank=species
|parent rank=genus
|synonyms=Mnium gracile;M. koponenii
|basionyms=
|family=Mniaceae
|phenology=Capsules mature summer.
|habitat=Muskegs, bogs, seeps, cliff crevices, moist soil, peat, humus
|elevation=low elevations
|distribution=Alta.;B.C.;Man.;Nfld. and Labr.;N.W.T.;Ont.;Que.;Sask.;Yukon;Alaska;Europe.
|reference=None
|publication title=Ann. Bot. Fenn.
|publication year=1973
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V28/V28_383.xml
|genus=Rhizomnium
|species=Rhizomnium gracile
}}<!--

-->[[Category:Treatment]][[Category:Rhizomnium]]