View source for Thelypteris nevadensis

{{Treatment/ID
|accepted_name=Thelypteris nevadensis
|accepted_authority=(Baker) Clute ex C. V. Morton
|publications={{Treatment/Publication
|title=Amer. Fern J.
|place=48: 139. 1958
|year=1958
}}
|common_names=Nevada marsh fern
|basionyms={{Treatment/ID/Synonym
|name=Nephrodium nevadense
|authority=Baker
}}
|synonyms={{Treatment/ID/Synonym
|name=Dryopteris nevadensis
|authority=(D. C. Eaton) L. Underwood
}} {{Treatment/ID/Synonym
|name=Dryopteris oregana
|authority=C. Christensen
}} {{Treatment/ID/Synonym
|name=Parathelypteris nevadensis
|authority=(Baker) Holttum
}}
|hierarchy=Thelypteridaceae;Thelypteris;Thelypteris subg. Parathelypteris;Thelypteris nevadensis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Thelypteridaceae]]</div><div class="higher-taxon"><small>genus</small>[[Thelypteris]]</div><div class="higher-taxon"><small>subgenus</small>[[Thelypteris subg. Parathelypteris]]</div><div class="higher-taxon"><small>species</small>[[Thelypteris nevadensis]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>creeping for 2–5 cm, then ascending or suberect, 1.5–3 mm diam. <b>Leaves</b> monomorphic, dying back in winter, tightly clustered, (25–)40–105 cm. <b>Petiole</b> straw-colored, 3–20(–35) cm × 1–3 mm, at base with scales tan to reddish brown, ovate, glabrous. <b>Blade</b> elliptic, 20–70 cm, proximal 4–10 pinna pairs gradually reduced (smallest 5–20 mm), blade tapering gradually to pinnatifid apex. <b>Pinnae</b> 3–10 × (0.6–)1–2 cm, deeply pinnatifid to within 1 mm of costa; segments oblong to linear, oblique (sides slanted, not perpendicular to costa), entire to crenulate; proximal pair of veins from adjacent segments meeting margin above sinus. <b>Indument</b> abaxially of sparsely set hairs 0.2–0.7 mm on rachises, costae, and sometimes veins, also of numerous orangish, sessile to usually short-stalked glands on blade tissue; blades adaxially glabrous except along costae. <b>Sori</b> round, supramedial; indusia tan, glabrous or short-ciliate, sometimes also with glands; sporangia glabrous. <b>2n</b> = 54.</span><!--

-->{{Treatment/Body
|habitat=Terrestrial in woods and meadows, especially near springs, seepage areas, and streams
|elevation=0–1800 m
|distribution=B.C.;Calif.;Oreg.;Wash.
|discussion=<p><i>Thelypteris nevadensis</i> is named for the Sierra <i>Nevada</i> and, contrary to its common name, is not found in <i>Nevada</i>.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Thelypteris nevadensis
|author=
|authority=(Baker) Clute ex C. V. Morton
|rank=species
|parent rank=subgenus
|synonyms=Dryopteris nevadensis;Dryopteris oregana;Parathelypteris nevadensis
|basionyms=Nephrodium nevadense
|family=Thelypteridaceae
|habitat=Terrestrial in woods and meadows, especially near springs, seepage areas, and streams
|elevation=0–1800 m
|distribution=B.C.;Calif.;Oreg.;Wash.
|reference=None
|publication title=Amer. Fern J.
|publication year=1958
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V2/V2_151.xml
|genus=Thelypteris
|subgenus=Thelypteris subg. Parathelypteris
|species=Thelypteris nevadensis
}}<!--

-->[[Category:Treatment]][[Category:Thelypteris subg. Parathelypteris]]