RAACplantRanunculaceae or Buttercup Family
Ranunculus acris

IDENTIFICATION:
Growth Habit:
Hairy perennial forb, grows up to 3 feet high.
Leaves: Hairy leaves are deeply lobed (nearly to the base) into 3 to 5 segments with each segment lobed again. Leaves decrease in size upward on the stem.
Stems: Branched hairy stems each produces single flowers in loose clusters.
Flowers: Glossy yellow flowers are 3/4 to 1 inch in diameter with a greenish center.
Reproduction: By seed.
Habitat: Occur in meadows and pastures and are generally avoided by livestock because of poisonous properties.

MANAGEMENT OPTIONS:
Handpulling: 
Can be an effective method of control for small infestations of this species. Care must be taken to remove all the rootstock, as plants can re-sprout from root fragments left on site.
RAACrosetteMowing: Mowing should only be used in instances where it will increase the vigor and competitiveness of desirable species that are present on site.
Biological Control: N/A
Grazing: Grazing has been shown to increase the density of tall buttercup infestations and is not a recommended method of control.
Herbicide: The following herbicides have been labelled for control of tall buttercup. Always consult product labels and read them carefully to ensure correct species/land management usage and chemical application.

Trade Name: Active Ingredient: Rate: Efficacy: Comments:
Forefront R&P  aminopyralid + 2,4-D  2 pts/acre most effective if used on seedling to
early flower stages
Can be applied to waters edge;
cannot be used in landscaped areas and current or future vegetable
gardens, mulch or manure from treated areas should not be applied to or composted for vegetable gardens  
 Milestone  aminopyralid  4-6 oz/acre most effective if used on seedling to
early flower stages
Can be applied to waters edge; 
cannot be used in landscaped areas and current or future vegetable 
gardens, mulch or manure from treated areas should not be applied to or composted for vegetable gardens
 MCPA  2,4-D  2 qts/acre most effective if used on seedling to early
flower stages and treated for 2 consecutive years
 
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