View source for Athyrium filix-femina var. cyclosorum

{{Treatment/ID
|accepted_name=Athyrium filix-femina var. cyclosorum
|accepted_authority=Ruprecht
|publications={{Treatment/Publication
|title=Dist. Crypt. Vasc. Ross.
|place=41. 1845
|year=1845
}}
|common_names=Northwestern lady fern
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Athyrium alpestre var. cyclosorum
|authority=(Ruprecht) T. Moore
|rank=variety
}} {{Treatment/ID/Synonym
|name=Athyrium filix-femina subsp. cyclosorum
|authority=(Ruprecht) C. Christensen
|rank=subspecies
}} {{Treatment/ID/Synonym
|name=Athyrium filix-femina var. sitchense
|authority=Ruprecht
|rank=variety
}}
|hierarchy=Dryopteridaceae;Athyrium;Athyrium filix-femina;Athyrium filix-femina var. cyclosorum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Dryopteridaceae]]</div><div class="higher-taxon"><small>genus</small>[[Athyrium]]</div><div class="higher-taxon"><small>species</small>[[Athyrium filix-femina]]</div><div class="higher-taxon"><small>variety</small>[[Athyrium filix-femina var. cyclosorum]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Petiole </b>15–45(–60) cm, base densely scaly; scales brown or dark brown, lanceolate or ovate-lanceolate, (7–)10–20 × (1–)2–5 mm, ± crisped. <b>Blade</b> elliptic to oblanceolate, 1–2-pinnate-pinnatifid, 25–120 × 10–50 cm, gradually narrowed proximally, broadest at or just above middle, apex acuminate. <b>Pinnae</b> very short-stalked or sessile, linear-oblong or oblong, apex acuminate. <b>Pinnules</b> sessile, narrowly deltate or oblong-lanceolate, base basiscopically broadly cuneate, acroscopically truncate, ± auriculate, apex obtuse to ± acute. <b>Rachis</b>, costae, and costules glabrous or with scales or pale glands. <b>Sori</b> round to elliptic, hooked at distal end, or horseshoe-shaped, medial to supramedial; indusia long-ciliate with nonglandular marginal hairs as long as or longer than width of indusia. <b>Spores</b> yellow. <b>2n</b> = 80.</span><!--

-->{{Treatment/Body
|habitat=Moist woods, swamps, streambanks
|elevation=10–1600 m
|distribution=Alta.;B.C.;Man.;N.W.T.;Ont.;Que.;Sask.;Yukon;Alaska;Calif.;Idaho;Mont.;Oreg.;S.Dak.;Wash.;Wyo.
|discussion=<p><i>Athyrium filix-femina </i>var.<i> cyclosorum</i> is most similar to the European var. filix-femina; it differs in having broader, nearly equilateral pinnules and medial to supramedial sori. The variety is distributed in northwestern North America with disjunct populations in northwestern Quebec and Ontario.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Athyrium filix-femina var. cyclosorum
|authority=Ruprecht
|rank=variety
|parent rank=species
|synonyms=Athyrium alpestre var. cyclosorum;Athyrium filix-femina subsp. cyclosorum;Athyrium filix-femina var. sitchense
|basionyms=
|family=Dryopteridaceae
|habitat=Moist woods, swamps, streambanks
|elevation=10–1600 m
|distribution=Alta.;B.C.;Man.;N.W.T.;Ont.;Que.;Sask.;Yukon;Alaska;Calif.;Idaho;Mont.;Oreg.;S.Dak.;Wash.;Wyo.
|reference=None
|publication title=Dist. Crypt. Vasc. Ross.
|publication year=1845
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V2/V2_87.xml
|genus=Athyrium
|species=Athyrium filix-femina
|variety=Athyrium filix-femina var. cyclosorum
}}<!--

-->[[Category:Treatment]][[Category:Athyrium filix-femina]]