Ranunculus sceleratus var. sceleratus
Leaf-blades lobed or parted, segments undivided or lobed, margins crenate. Achene faces with fine transverse wrinkles. 2n = 32.
Phenology: Flowering late winter–summer (Mar–Sep).
Habitat: Ponds, ditches and riverbanks
Elevation: 0-700 m
Distribution
St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., Que., Sask., Ala., Ark., Calif., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.C., S.Dak., Tenn., Tex., Vt., Va., Wash., W.Va., Wis., Europe
Discussion
Ranunculus sceleratus var. sceleratus is a serious weed of watercourses and marshy fields. It is a naturalized weed in western North America; it is not clear whether it is native in the eastern part of the continent or was introduced from Europe.
Selected References
None.
Lower Taxa
"high" is not a number.