View source for Callitriche palustris

{{Treatment/ID
|accepted_name=Callitriche palustris
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 969. 1753
|year=1753
}}
|common_names=Vernal water-starwort;callitriche des marais
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Callitriche palustris var. stenocarpa
|authority=(Hegelmaier) Jepson
|rank=variety
}} {{Treatment/ID/Synonym
|name=C. palustris var. verna
|authority=(Linnaeus) Fenley e× Jepson
|rank=variety
}} {{Treatment/ID/Synonym
|name=C. stenocarpa
|authority=Hegelmaier
|rank=species
}} {{Treatment/ID/Synonym
|name=C. verna
|authority=Linnaeus
|rank=species
}}
|hierarchy=Plantaginaceae;Callitriche;Callitriche palustris
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Plantaginaceae]]</div><div class="higher-taxon"><small>genus</small>[[Callitriche]]</div><div class="higher-taxon"><small>species</small>[[Callitriche palustris]]</div></div>
|volume=Volume 17
|mention_page=page 49, 50
|treatment_page=page 53
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Leaves </b>connate at base, ± linear, tapering strongly from near base or spatulate, 2.5–9 × 0.3–5 mm, 1+-veined. <b>Stem</b> and leaf scales present. <b>Inflorescences</b>: bracts caducous, sometimes persistent. <b>Pedicels</b> 0–0.2 mm in fruit. <b>Flowers</b> usually 1 staminate and 1 pistillate in 1 axil opposed by 1 pistillate; styles erect or spreading; pollen yellow. <b>Schizocarps</b> obovoid, usually widest distal to middle, 0.8–1.4 × 0.6–1.4 mm, longer than wide, sometimes as long as wide; mericarps black, not swollen, not winged, winged only at apex, or winged throughout but widest at apex, wings straight, 0.03–0.1 mm wide. <b>2n</b> = 20.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Oct.
|habitat=Fast-flowing rivers and streams, backwaters, ditches, swamps, Sphagnum bogs, lakes, ponds, springs, seepages.
|elevation=0–3600 m.
|distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.W.T.;Nunavut;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Ariz.;Calif.;Colo.;Conn.;Del.;Idaho;Ill.;Iowa;Maine;Mass.;Mich.;Minn.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.Dak.;Oreg.;Pa.;R.I.;S.Dak.;Tex.;Utah;Vt.;Wash.;Wis.;Wyo.;Mexico (Chihuahua;San Luis Potosí);Eurasia;introduced in Australia.
|discussion=<p><i>Callitriche palustris</i> has been included on the Composite List of Weeds maintained by the Weed Science Society of America (http://wssa.net/wssa/weed/composite-list-of-weeds/); its inclusion seems unwarranted.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Callitriche palustris
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=Callitriche palustris var. stenocarpa;C. palustris var. verna;C. stenocarpa;C. verna
|basionyms=
|family=Plantaginaceae
|phenology=Flowering May–Oct.
|habitat=Fast-flowing rivers and streams, backwaters, ditches, swamps, Sphagnum bogs, lakes, ponds, springs, seepages.
|elevation=0–3600 m.
|distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.W.T.;Nunavut;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Ariz.;Calif.;Colo.;Conn.;Del.;Idaho;Ill.;Iowa;Maine;Mass.;Mich.;Minn.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.Dak.;Oreg.;Pa.;R.I.;S.Dak.;Tex.;Utah;Vt.;Wash.;Wis.;Wyo.;Mexico (Chihuahua;San Luis Potosí);Eurasia;introduced in Australia.
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V17/V17_158.xml
|genus=Callitriche
|species=Callitriche palustris
}}<!--

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