View source for Azolla caroliniana

{{Treatment/ID
|accepted_name=Azolla caroliniana
|accepted_authority=Willdenow
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=5(1): 541. 1810
|year=1810
}}
|basionyms=
|synonyms=
|hierarchy=Azollaceae;Azolla;Azolla caroliniana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Azollaceae]]</div><div class="higher-taxon"><small>genus</small>[[Azolla]]</div><div class="higher-taxon"><small>species</small>[[Azolla caroliniana]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=page 341
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="plant coloration;plant coloration;plant growth form or location;plant growth form or location;plant thickness;margin coloration;plant coloration;condition condition"><b>Plants </b>dark green or with margins of bright crimson or whole plants dark red, free-floating or forming multilayer mat to 4 cm thick under good conditions;</span> <span class="statement" id="st-d0_s1" data-properties="plant reproduction">plants infrequently fertile.</span> <span class="statement" id="st-d0_s2" data-properties="stem growth form or orientation;stem some measurement"><b>Stems </b>prostrate, 0.5–1 cm.</span> <span class="statement" id="st-d0_s3" data-properties=""><b>Largest </b>hairs on upper leaf lobe near stem with 2 or more cells;</span> <span class="statement" id="st-d0_s4" data-properties="pedicel cell width;pedicel cell count;apical cell height;tip arrangement">broad pedicel cell often 1/2 or more height of hair, apical cell curved, with tip nearly parallel to leaf surface.</span> <span class="statement" id="st-d0_s5" data-properties="bump arrangement or shape;pit arrangement or shape;filament arrangement"><b>Megaspores </b>without raised angular bumps or pits, densely and uniformly covered with tangled filaments.</span><!--

-->{{Treatment/Body
|habitat=Stagnant or slow-moving water in ponds, lakes, marshess, swamps, and streams.
|distribution=Ont.;Ala.;Ark.;Conn.;Del.;Fla.;Ga.;Ill.;Ind.;Kans.;Ky.;La.;Md.;Mass.;Mich.;Mo.;Nebr.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;S.C.;S.Dak.;Tenn.;Tex.;Va.;W.Va.;Mexico;West Indies;South America;Europe;Asia.
|discussion=<p>The sporophyte of Azolla caroliniana commonly survives throughout the year in temperate areas (with hard frosts and prolonged ice cover). It is the best adapted of all species for subsistence on mud. Azolla caroliniana is rarely collected with sporocarps.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Azolla caroliniana
|author=
|authority=Willdenow
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Azollaceae
|habitat=Stagnant or slow-moving water in ponds, lakes, marshess, swamps, and streams.
|distribution=Ont.;Ala.;Ark.;Conn.;Del.;Fla.;Ga.;Ill.;Ind.;Kans.;Ky.;La.;Md.;Mass.;Mich.;Mo.;Nebr.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;S.C.;S.Dak.;Tenn.;Tex.;Va.;W.Va.;Mexico;West Indies;South America;Europe;Asia.
|reference=None
|publication title=Sp. Pl.
|publication year=1810
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_675.xml
|genus=Azolla
|species=Azolla caroliniana
|apical cell height=curved
|bump arrangement or shape=angular
|condition condition=good
|filament arrangement=tangled
|margin coloration=dark red
|pedicel cell count=1/2
|pedicel cell width=broad
|pit arrangement or shape=angular
|plant coloration=bright crimson;with margins;dark green
|plant growth form or location=forming multilayer mat;free-floating
|plant reproduction=fertile
|plant thickness=0cm;4cm
|stem growth form or orientation=prostrate
|stem some measurement=0.5cm;1cm
|tip arrangement=parallel
}}<!--

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