Difference between revisions of "Wolffia borealis"
Ber. Geobot. Inst. ETH Stiftung Rubel 44:137. 1977.
Common names: Wolffie boréale
Basionym: Wolffia brasiliensis var. borealis Engelmann
Treatment appears in FNA Volume 22. Treatment on page 152.
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|elevation=0–1400 m | |elevation=0–1400 m | ||
|distribution=Alta.;B.C.;Ont.;Que.;Calif.;Colo.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;Mass.;Mich.;Minn.;Mo.;Mont.;Nebr.;N.H.;N.Y.;Ohio;Okla.;Oreg.;Pa.;S.Dak.;Tenn.;Utah;Vt.;Wash.;Wis. | |distribution=Alta.;B.C.;Ont.;Que.;Calif.;Colo.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;Mass.;Mich.;Minn.;Mo.;Mont.;Nebr.;N.H.;N.Y.;Ohio;Okla.;Oreg.;Pa.;S.Dak.;Tenn.;Utah;Vt.;Wash.;Wis. | ||
| − | |discussion=<p>The name Wolffia punctata has been applied to this species in error.</p><!-- | + | |discussion=<p>The name <i>Wolffia</i> punctata has been applied to this species in error.</p><!-- |
| − | --><p>I know of no specimens of Wolffia borealis from Rhode Island.</p> | + | --><p>I know of no specimens of <i>Wolffia borealis</i> from Rhode Island.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1977 | |publication year=1977 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V22/V22_22.xml |
|genus=Wolffia | |genus=Wolffia | ||
|species=Wolffia borealis | |species=Wolffia borealis | ||
Revision as of 15:56, 18 September 2019
Fronds boat-shaped, 0.7–1.5 mm, 1.3–2 times as long as wide, 0.7–1 times as deep as wide, with point at apex bent upward; papilla absent; upper surface intensely green, with 50–100 stomates; pigment cells present in vegetative tissue (visible in dead fronds as brown dots). 2n = 20, 22, 30, 40.
Phenology: Flowering (very rare) summer–early fall.
Habitat: Mesotrophic to eutrophic, quiet waters in temperate regions
Elevation: 0–1400 m
Distribution
Alta., B.C., Ont., Que., Calif., Colo., Idaho, Ill., Ind., Iowa, Kans., Ky., Mass., Mich., Minn., Mo., Mont., Nebr., N.H., N.Y., Ohio, Okla., Oreg., Pa., S.Dak., Tenn., Utah, Vt., Wash., Wis.
Discussion
The name Wolffia punctata has been applied to this species in error.
I know of no specimens of Wolffia borealis from Rhode Island.
Selected References
None.
Lower Taxa
None.