View source for Psilopilum laevigatum

{{Treatment/ID
|accepted_name=Psilopilum laevigatum
|accepted_authority=(Wahlenberg) Lindberg
|publications={{Treatment/Publication
|title=Öfvers. Kongl. Vetensk.-Akad. Förh.
|place=18: 190. 1861,
}}
|basionyms={{Treatment/ID/Synonym
|name=Polytrichum laevigatum
|authority=Wahlenberg
}}
|synonyms={{Treatment/ID/Synonym
|name=Psilopilum arcticum
|authority=Bridel
}} {{Treatment/ID/Synonym
|name=Oligotrichum glabratum
|authority=(Hooker) Lindberg
}} {{Treatment/ID/Synonym
|name=Oligotrichum laevigatum
|authority=(Wahlenberg) Bruch & Schimper
}}
|hierarchy=Polytrichaceae;Psilopilum;Psilopilum laevigatum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Polytrichaceae]]</div><div class="higher-taxon"><small>genus</small>[[Psilopilum]]</div><div class="higher-taxon"><small>species</small>[[Psilopilum laevigatum]]</div></div>
|volume=Volume 27
|mention_page=page 15, 145
|treatment_page=page 147
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>7–10(–18) mm, slender, rather wiry. <b>Leaves</b> 1.5–1.8(–2.5) mm, ovate to oblong-obovate, erect-incurved when dry, only weakly spreading when moist, rounded concave in lamellate portion, becoming abruptly cucullate approaching the obtuse apex; margins irregularly dentate with projecting ends of obliquely oriented, rhomboidal marginal cells, usually hyaline-margined; costa ending in or just below apex, smooth on the back above, rarely with a few low, adaxial lamellae; lamellae 8–15, 6–12 cells high, margins deeply incised, coarsely and irregularly dentate; cells of leaf base short-rectangular, narrower at margins; median cells of lamina 12–24(–30) µm wide, thin- to firm-walled; perichaetial leaves 3.8–4.5 mm, erect, twice as long as stem leaves or longer. <b>Seta</b> brown, 7–15 mm. <b>Capsule</b> 2.6–4 mm, greenish to dark brown to blackish brown, variable in shape, asymmetrically ovoid and gibbous; peristome teeth 200–320 µm.</span><!--

-->{{Treatment/Body
|habitat=Habitat similar to that of Psilopilum cavifolium, somewhat rare and local in arctic North America
|distribution=Nfld. and Labr. (Labr.);Nunavut;Yukon;Alaska;arctic and subarctic Eurasia (southward to 61ºN;including Archangelsk Province;e Siberia;Altai);Atlantic Islands (Iceland).
|discussion=<p>Habitat similar to that of <i>Psilopilum cavifolium</i>, somewhat rare and local in arctic North America; Nfld. and Labr. (Labr.), Nunavut, Yukon; Alaska; arctic and subarctic Eurasia (southward to 61ºN, including Archangelsk Province, e Siberia, Altai); Atlantic Islands (Iceland).</p><!--
--><p>In Nunavut, <i>Psilopilum laevigatum</i> is known from Baffin Island.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Psilopilum laevigatum
|author=
|authority=(Wahlenberg) Lindberg
|rank=species
|parent rank=genus
|synonyms=Psilopilum arcticum;Oligotrichum glabratum;Oligotrichum laevigatum
|basionyms=Polytrichum laevigatum
|family=Polytrichaceae
|habitat=Habitat similar to that of Psilopilum cavifolium, somewhat rare and local in arctic North America
|distribution=Nfld. and Labr. (Labr.);Nunavut;Yukon;Alaska;arctic and subarctic Eurasia (southward to 61ºN;including Archangelsk Province;e Siberia;Altai);Atlantic Islands (Iceland).
|reference=None
|publication title=Öfvers. Kongl. Vetensk.-Akad. Förh.
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V27/V27_182.xml
|genus=Psilopilum
|species=Psilopilum laevigatum
}}<!--

-->[[Category:Treatment]][[Category:Psilopilum]]