View source for Asplenium vespertinum

{{Treatment/ID
|accepted_name=Asplenium vespertinum
|accepted_authority=Maxon
|publications={{Treatment/Publication
|title=Bull. Torrey Bot. Club
|place=27: 197. 1900
|year=1900
}}
|common_names=Western spleenwort
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Asplenium trichomanes var. vespertinum
|authority=(Maxon) Jepson
|rank=variety
}}
|hierarchy=Aspleniaceae;Asplenium;Asplenium vespertinum
|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 vespertinum]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Roots </b>not proliferous. <b>Stems</b> short-creeping, rarely branched; scales black with lighter margins, linear-lanceolate, 2–3 × 0.2–0.4 mm, margins entire, or denticulate distally. <b>Leaves</b> monomorphic. <b>Petiole</b> reddish brown or purplish black throughout, lustrous, 2–5 cm, 1/4–1/6 length of blade, sometimes curved like a J at base; indument of blackish brown, filiform scales at base. <b>Blade</b> linear, 1-pinnate throughout, 5–15(–28) × 1–2.5 cm, thick, glabrous; base gradually tapered; apex acute, not rooting. <b>Rachis</b> reddish brown or purplish black throughout, shiny, glabrous. <b>Pinnae</b> 15–30 pairs, oblong; medial pinnae 5–10 × 2–3 mm; base rounded to cuneate; margins lobed or serrate; apex obtuse. <b>Veins</b> free, obscure. <b>Sori</b> 2–6 pairs per pinna, on both basiscopic and acroscopic sides. <b>Spores</b> 64 per sporangium.</span><!--

-->{{Treatment/Body
|habitat=Moist, shaded canyon walls and at base of overhanging rocks
|elevation=0–1000 m
|distribution=Calif.;Mexico in Baja California.
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Asplenium vespertinum
|authority=Maxon
|rank=species
|parent rank=genus
|synonyms=Asplenium trichomanes var. vespertinum
|basionyms=
|family=Aspleniaceae
|habitat=Moist, shaded canyon walls and at base of overhanging rocks
|elevation=0–1000 m
|distribution=Calif.;Mexico in Baja California.
|reference=None
|publication title=Bull. Torrey Bot. Club
|publication year=1900
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_696.xml
|genus=Asplenium
|species=Asplenium vespertinum
}}<!--

-->[[Category:Treatment]][[Category:Asplenium]]