Difference between revisions of "Wolffia columbiana"
Botanische Untersuchungen. [Landwirthschaftliche Lehranstalt. Physiologisches Laboratorium] Berlin 1: 103, figs. 2g, 3g. 1865.
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|common_names=Wolffie de Colombie | |common_names=Wolffie de Colombie | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=W | ||
| + | |label=Weedy | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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name=Wolffia columbiana | name=Wolffia columbiana | ||
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|authority=H. Karsten | |authority=H. Karsten | ||
|rank=species | |rank=species | ||
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|publication title=Botanische Untersuchungen. [Landwirthschaftliche Lehranstalt. Physiologisches Laboratorium] Berlin | |publication title=Botanische Untersuchungen. [Landwirthschaftliche Lehranstalt. Physiologisches Laboratorium] Berlin | ||
|publication year=1865 | |publication year=1865 | ||
| − | |special status= | + | |special status=Weedy;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V22/V22_314.xml |
|genus=Wolffia | |genus=Wolffia | ||
|species=Wolffia columbiana | |species=Wolffia columbiana | ||
Latest revision as of 20:30, 5 November 2020
Fronds 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. 2n = 30 (H, U), 40 (U), 42 (D), 500 (U), 70 (70), 80 (U).
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
I know of no specimens of Wolffia columbiana from Rhode Island.