Wolffia brasiliensis
Annales des Sciences Naturelles, Botanique sér. 3, 12: 170. 1849.
WeedyIllustrated
Synonyms: Wolffia papulifera C. H. Thompson Wolffia punctata Grisebach
Treatment appears in FNA Volume 22. Treatment on page 152.
Revision as of 21:23, 27 May 2020 by imported>Volume Importer
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](/w/images/9/9b/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.
Selected References
None.
Lower Taxa
None.
... more about "Wolffia brasiliensis"
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 + and South America. +
Present +
Annales des Sciences Naturelles, Botanique +
1849 +
Wolffia brasiliensis +
Wolffia +
species +