View source for Asplenium montanum

{{Treatment/ID
|accepted_name=Asplenium montanum
|accepted_authority=Willdenow
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=5(1): 342. 1810
|year=1810
}}
|common_names=Mountain spleenwort
|basionyms=
|synonyms=
|hierarchy=Aspleniaceae;Asplenium;Asplenium montanum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Aspleniaceae]]</div><div class="higher-taxon"><small>genus</small>[[Asplenium]]</div><div class="higher-taxon"><small>species</small>[[Asplenium montanum]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Roots </b>proliferous. <b>Stems</b> horizontal, often arching upward, unbranched (although clusters of stems often form from root proliferations, giving false appearance of single much-branched stem); scales dark brown throughout, narrowly deltate, 2–4 × 0.2–0.4 mm, margins entire. <b>Leaves</b> monomorphic. <b>Petiole</b> dark brown to purplish black, lustrous proximally, fading to green distally, 2–11 cm, 1/2–1 1/2 length of blade; indument of blackish, narrowly lanceolate scales only at very base and of minute hairs. <b>Blade</b> deltate to lanceolate, 1–2-pinnate-pinnatifid, 2–11 × 1–7(–10) cm, thick, essentially glabrous; base truncate or obtuse; apex acuminate to acute, not rooting. <b>Rachis</b> green throughout, dull, sparsely pubescent. <b>Pinnae</b> in 4–10 pairs, deltate to lanceolate; proximal (longest) pinnae 6–35 × 4–20 mm; base obtuse to acute; margins coarsely incised; apex acute to rounded. <b>Veins</b> free, obscure. <b>Sori</b> 1–15 per pinna, on both basiscopic and acroscopic sides. <b>Spores</b> 64 per sporangium. <b>2n</b> = 72.</span><!--

-->{{Treatment/Body
|habitat=Crevices in sandstone or other acidic rocks
|elevation=0–2000 m
|distribution=Ala.;Conn.;Ga.;Ind.;Ky.;Md.;Mass.;Mo.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.C.;Tenn.;Va.;W.Va.
|discussion=<p><i>Asplenium montanum</i> occurs principally in the Appalachian region, with outlying localities in the Shawnee Hills of western Kentucky (R. Cranfill 1980) and adjacent Indiana (D. M. Smith 1956). A report of its disjunct occurrence on the northern edge of the Ozarks is based on a single specimen whose label indicates the collection locality near Graham Cave, Montgomery County, Missouri. Efforts by several botanists to relocate the population have failed. Reports of a disjunct station in the upper peninsula of Michigan are doubtful.</p><!--
--><p><i>Asplenium montanum</i> is an ecological specialist. It is typically the sole vascular plant species in the siliceous rock crevices in which it is found. It may occur, however, with two allotetraploid species, <i>A. bradleyi</i> and <i>A. pinnatifidum</i>, which were derived from hybrids of <i>A. montanum</i> with <i>A. platyneuron</i> and <i>A. rhizophyllum</i>, respectively. In addition, <i>A. montanum</i> crosses frequently with <i>A. pinnatifidum</i> producing A. × trudellii and rarely with allotetraploid individuals of <i>A. bradleyi</i> producing A. × wherryi.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Asplenium montanum
|author=
|authority=Willdenow
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Aspleniaceae
|habitat=Crevices in sandstone or other acidic rocks
|elevation=0–2000 m
|distribution=Ala.;Conn.;Ga.;Ind.;Ky.;Md.;Mass.;Mo.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.C.;Tenn.;Va.;W.Va.
|reference=None
|publication title=Sp. Pl.
|publication year=1810
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V2/V2_444.xml
|genus=Asplenium
|species=Asplenium montanum
}}<!--

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