View source for Dryopteris intermedia

{{Treatment/ID
|accepted_name=Dryopteris intermedia
|accepted_authority=(Muhlenberg ex Willdenow) A. Gray
|publications={{Treatment/Publication
|title=Manual
|place=630. 1848
|year=1848
}}
|common_names=Evergreen wood fern;fancy fern;dryoptère spinuleuse
|basionyms={{Treatment/ID/Synonym
|name=Aspidium intermedium
|authority=Muhlenberg ex Willdenow
}}
|synonyms={{Treatment/ID/Synonym
|name=Dryopteris austriaca var. intermedia
|authority=(Muhlenberg ex Willdenow) C. V. Morton
}}{{Treatment/ID/Synonym
|name=Dryopteris spinulosa var. intermedia
|authority=(Muhlenberg ex Willdenow) L. Underwood
}}
|hierarchy=Dryopteridaceae;Dryopteris;Dryopteris intermedia
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Dryopteridaceae]]</div><div class="higher-taxon"><small>genus</small>[[Dryopteris]]</div><div class="higher-taxon"><small>species</small>[[Dryopteris intermedia]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Leaves </b>monomorphic, green through winter, 32–90 × 10–20 cm. <b>Petiole</b> 1/3 length of leaf, scaly at least at base; scales scattered, tan. <b>Blade</b> green, ovate, 3-pinnate-pinnatifid, herbaceous, glandular. <b>Pinnae</b> ± in plane of blade, lanceolate-oblong; basal pinnae lanceolate, not reduced, basal pinnules longer than adjacent pinnules, basal basiscopic pinnule longer than basal acroscopic pinnule; pinnule margins serrate, teeth spiny. <b>Sori</b> midway between midvein and margin of segments. <b>Indusia</b> with minute glandular hairs. <b>2n</b> = 82.</span><!--

-->{{Treatment/Body
|habitat=Moist rocky woods, especially hemlock hardwoods, ravines, and edges of swamps
|elevation=0–2000 m
|distribution=N.B.;Nfld.;N.S.;Ont.;P.E.I.;Que.;Ala.;Conn.;Del.;Ga.;Ill.;Ind.;Iowa;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;Tenn.;Vt.;Va.;W.Va.;Wis.
|discussion=<p>A related taxon, Dryopteris intermedia subsp. maderensis (J. Milde ex Alston) Fraser-Jenkins, occurs on eastern Atlantic islands.</p><!--
--><p>Dryopteris intermedia and the other taxa in the " D. spinulosa complex" have long confounded taxonomists. Dryopteris intermedia is diploid and is one of the parents of the allotetraploids D. carthusiana and D. campyloptera. Dryopteris intermedia hybridizes with eight species. All hybrids are easily detected by the distinctive glandular hairs on the indusia and, usually, on the costae and costules.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Dryopteris intermedia
|author=
|authority=(Muhlenberg ex Willdenow) A. Gray
|rank=species
|parent rank=genus
|synonyms=Dryopteris austriaca var. intermedia;Dryopteris spinulosa var. intermedia
|basionyms=Aspidium intermedium
|family=Dryopteridaceae
|habitat=Moist rocky woods, especially hemlock hardwoods, ravines, and edges of swamps
|elevation=0–2000 m
|distribution=N.B.;Nfld.;N.S.;Ont.;P.E.I.;Que.;Ala.;Conn.;Del.;Ga.;Ill.;Ind.;Iowa;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;Tenn.;Vt.;Va.;W.Va.;Wis.
|reference=None
|publication title=Manual
|publication year=1848
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_508.xml
|genus=Dryopteris
|species=Dryopteris intermedia
}}<!--

-->[[Category:Treatment]][[Category:Dryopteris]]