View source for Wolffia columbiana

{{Treatment/ID
|accepted_name=Wolffia columbiana
|accepted_authority=H. Karsten
|publications={{Treatment/Publication
|title=Botanische Untersuchungen. [Landwirthschaftliche Lehranstalt. Physiologisches Laboratorium] Berlin
|place=1: 103, figs. 2g, 3g. 1865
|year=1865
}}
|common_names=Wolffie de Colombie
|basionyms=
|synonyms=
|hierarchy=Lemnaceae;Wolffia;Wolffia columbiana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Lemnaceae]]</div><div class="higher-taxon"><small>genus</small>[[Wolffia]]</div><div class="higher-taxon"><small>species</small>[[Wolffia columbiana]]</div></div>
|volume=Volume 22
|mention_page=
|treatment_page=page 153
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Fronds </b>nearly globular, 0.5–1.4 mm (x 0.4–1.2 mm), 1–1.3 times as long as wide, 1–1.3 times as deep as wide, rounded at apex, papilla absent; upper surface transparently green, with 1–10(–30) stomates; pigment cells absent in vegetative tissue. <b>2n</b> = 30 (H, U), 40 (U), 42 (D), 500 (U), 70 (70), 80 (U).</span><!--

-->{{Treatment/Body
|phenology=Flowering (very rare) summer–early fall.
|habitat=Mesotrophic to eutrophic, quiet waters in temperate to subtropical regions
|elevation=0–1100 m
|distribution=Alta.;Man.;Ont.;Que.;Sask.;Ala.;Ark.;Calif.;Colo.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Mont.;Nebr.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;S.C.;S.Dak.;Tenn.;Tex.;Vt.;Va.;W.Va.;Wis.;Mexico;West Indies (Cura�ao);Central America;South America.
|discussion=<p>I know of no specimens of <i>Wolffia columbiana</i> from Rhode Island.</p>
|tables=
|references={{Treatment/Reference
|id=brooks1940a
|text=Brooks, J. S. 1940. The Cytology and Morphology of the Lemnaceae. Ph.D. thesis. Cornell University.
}}{{Treatment/Reference
|id=dore1957a
|text=Dore, W. G. 1957. Wolffia in Canada. Can. Field-Naturalist 71: 10--16.
}}{{Treatment/Reference
|id=landolt1980a
|text=Landolt, E. and Urbanska-Worytkiewicz K. 1980. List of the studied Lemnaceae samples: origin and chromosome numbers. Veröff. Geobot. Inst. Rübel Zürich 70: 205--247.
}}
}}<!--

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-->{{#Taxon:
name=Wolffia columbiana
|author=
|authority=H. Karsten
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Lemnaceae
|phenology=Flowering (very rare) summer–early fall.
|habitat=Mesotrophic to eutrophic, quiet waters in temperate to subtropical regions
|elevation=0–1100 m
|distribution=Alta.;Man.;Ont.;Que.;Sask.;Ala.;Ark.;Calif.;Colo.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Mont.;Nebr.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;S.C.;S.Dak.;Tenn.;Tex.;Vt.;Va.;W.Va.;Wis.;Mexico;West Indies (Cura�ao);Central America;South America.
|reference=brooks1940a;dore1957a;landolt1980a
|publication title=Botanische Untersuchungen. [Landwirthschaftliche Lehranstalt. Physiologisches Laboratorium] Berlin
|publication year=1865
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V22/V22_314.xml
|genus=Wolffia
|species=Wolffia columbiana
}}<!--

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