Ranunculus sceleratus var. multifidus

Nuttall

in J. Torrey & A. Gray, Fl. N. Amer. 1: 19. 1838.

Endemic
Synonyms: Ranunculus sceleratus subsp. multifidus (Nuttall) Hultén
Treatment appears in FNA Volume 3.

Leaf blades always parted (often deeply so), segments lobed or parted, margins deeply crenate or lobulate. Achene faces smooth. 2n = 64.


Phenology: Flowering spring–summer (Mar–Sep).
Habitat: Wet ground or shallow water, in bogs and ponds, on shores of lakes and rivers
Elevation: 0-2600 m

Distribution

V3 446-distribution-map.gif

Alta., B.C., Man., N.W.T., Ont., Que., Sask., Yukon, Alaska, Ariz., Calif., Colo., Idaho, Iowa, Minn., Mont., Nebr., Nev., N.Mex., N.Dak., Oreg., S.Dak., Utah, Wash., Wyo.

Discussion

Reports of Ranunculus sceleratus var. multifidus for eastern Quebec and New Brunswick are errors for R. sceleratus var. sceleratus.

Selected References

None.

Lower Taxa

None.
Alan T. Whittemore +
Nuttall +
Alta. +, B.C. +, Man. +, N.W.T. +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, Ariz. +, Calif. +, Colo. +, Idaho +, Iowa +, Minn. +, Mont. +, Nebr. +, Nev. +, N.Mex. +, N.Dak. +, Oreg. +, S.Dak. +, Utah +, Wash. +  and Wyo. +
0-2600 m +
Wet ground or shallow water, in bogs and ponds, on shores of lakes and rivers +
Flowering spring–summer (Mar–Sep). +
in J. Torrey & A. Gray, Fl. N. Amer. +
Ranunculus sceleratus subsp. multifidus +
Ranunculus sceleratus var. multifidus +
Ranunculus sceleratus +
variety +