Wolffia brasiliensis

Weddell

Annales des Sciences Naturelles, Botanique sér. 3, 12: 170. 1849

Synonyms: Wolffia papulifera C. H. Thompson Wolffia punctata Grisebach
Treatment appears in FNA Volume 22. Treatment on page 152.
Click plate for higher resolution version.
Illustrator: John Myers
Fronds boat-shaped, 0.5–1.6 mm, 1–1.5 times as long as wide, 0.3–0.7 times as deep as wide, rounded at apex, papilla usually prominent in center of upper surface (tent-shaped); upper surface intensely green, with 50–100 stomates; pigment cells present in vegetative tissue (visible in dead fronds as brown dots). 2n = 20, 40, 42, 50, 60, 80.

Phenology: Flowering (rare) late spring–early fall.
Habitat: Mesotrophic to eutrophic, quiet waters in temperate to subtropical regions
Elevation: 0–1000 m

Distribution

V22 541-distribution-map.jpg

Ala., Ark., Calif., Conn., Del., D.C., Fla., Ga., Ill., Ind., Kans., Ky., La., Md., Mass., Mich., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Oreg., Pa., S.C., Tenn., Tex., Va., Wash., W.Va., Wis., Mexico, West Indies, Central America, South America.

Discussion

I know of no specimens of Wolffia brasiliensis from Rhode Island.

References

None.

Lower Taxa

No lower taxa listed.

Facts about "Wolffia brasiliensis"
AuthorElias Landolt +
AuthorityWeddell +
DistributionAla. +, Ark. +, Calif. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Md. +, Mass. +, Mich. +, Miss. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Oreg. +, Pa. +, S.C. +, Tenn. +, Tex. +, Va. +, Wash. +, W.Va. +, Wis. +, Mexico +, West Indies +, Central America + and South America. +
Elevation0–1000 m +
HabitatMesotrophic to eutrophic, quiet waters in temperate to subtropical regions +
IllustratorJohn Myers +
PhenologyFlowering (rare) late spring–early fall. +
Publication titleAnnales des Sciences Naturelles, Botanique +
Publication year1849 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V22/V22 541.xml +
SynonymsWolffia papulifera + and Wolffia punctata +
Taxon familyLemnaceae +
Taxon nameWolffia brasiliensis +
Taxon parentWolffia +
Taxon rankspecies +
VolumeVolume 22 +