Ranunculaceae - buttercup family
 

WeedsPoisonous PlantsHay Fever
Gerald A. Mulligan (Agriculture Canada, Ottawa, retired)
Ranunculus acris L., tall buttercup, renoncule âcre
Perennial, reproducing by seeds; mostly allogamous; stems 1.5 to 3 feet (45 cm. to 9 dm.) high; flowers yellow; throughout, but most abundant in east; pastures, hayfields, roadsides and waste places; introduced from Europe. Usually not grazed by livestock, but if eaten poisoning can occur.

Ranunculus repens L., creeping buttercup, renoncule rampante
Perennial, with creeping shoots; frequently prostrate; flowers yellow; throughout, except the mid-west; most common along the east and west coasts; pastures, lawns, and waste places; introduced from Europe.

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Weed Name Photo Weed Name Photo
tall buttercup, renoncule âcre tall buttercup, renoncule âcre
(F&M)
tall buttercup, renoncule âcre tall buttercup, renoncule âcre      
tall buttercup, renoncule âcre
(seedling)
creeping buttercup, renoncule rampante
creeping buttercup, renoncule rampante