Wolffia brasiliensis
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.
Revision as of 19:03, 24 September 2019 by FNA>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
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 +