View source for Isoëtes maritima

{{Treatment/ID
|accepted_name=Isoëtes maritima
|accepted_authority=L. Underwood
|publications={{Treatment/Publication
|title=Bot. Gaz.
|place=13: 94. 1888.
}}
|common_names=Maritime quillwort
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Isoëtes beringgensis
|authority=Komarov
|rank=species
}} {{Treatment/ID/Synonym
|name=Isoëtes echinospora subsp. maritima
|authority=(L. Underwood) A. Löve
|rank=subspecies
}} {{Treatment/ID/Synonym
|name=Isoëtes echinospora var. maritima
|authority=(L. Underwood) A. A. Eaton
|rank=variety
}} {{Treatment/ID/Synonym
|name=Isoëtes macounii
|authority=
|rank=species
}}
|hierarchy=Isoëtaceae;Isoëtes;Isoëtes maritima
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Isoëtaceae]]</div><div class="higher-taxon"><small>genus</small>[[Isoëtes]]</div><div class="higher-taxon"><small>species</small>[[Isoëtes maritima]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plant </b>usually aquatic, occasionally emergent. <b>Rootstock</b> nearly globose, 2-lobed. <b>Leaves</b> ± deciduous, bright green, pale toward base, spirally arranged, to 12 cm, pliant, gradually tapering toward tip. <b>Velum</b> covering less than 1/2 of sporangium. <b>Sporangium</b> wall ± brown-streaked. <b>Megaspores</b> whtie, 380–600 μm diam., echinate to short-cristate with stout blunt spines and crests; girdle densely echinate. <b>Microspores</b> gray to brown in mass, 30–40 μm, papillose. <b>2n</b> = 44.</span><!--

-->{{Treatment/Body
|phenology=Spores mature late summer.
|habitat=Lakes and streams
|distribution=B.C.;Alaska;Wash.
|discussion=<p><i>Isoëtes maritima</i> hybridizes with <i>I. echinospora</i> and <i>I. occidentalis</i> [ = I. truncata (A. A. Eaton) Clute].</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Isoëtes maritima
|authority=L. Underwood
|rank=species
|parent rank=genus
|synonyms=Isoëtes beringgensis;Isoëtes echinospora subsp. maritima;Isoëtes echinospora var. maritima;Isoëtes macounii
|basionyms=
|family=Isoëtaceae
|phenology=Spores mature late summer.
|habitat=Lakes and streams
|distribution=B.C.;Alaska;Wash.
|reference=None
|publication title=Bot. Gaz.
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V2/V2_556.xml
|genus=Isoëtes
|species=Isoëtes maritima
}}<!--

-->[[Category:Treatment]][[Category:Isoëtes]]