Ranunculus acris L.
Family: Ranunculaceae
blister plant, common buttercup, meadow buttercup, tall buttercup
[Ranunculus acris subsp. strigulosus L.,  more...]
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Kenneth J. Sytsma  
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Margery Melgaard  
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University of Wisconsin - Madison (WIS-VP)  
Etymology: Ranunculus: from Latin rana, "little frog," because many species tend to grow in moist places
Plants: erect, perennial, 10"-40" tall, hairy forb
Leaves: basal and stem leaves much the same shape, mostly found below the middle of the stem, kidney-shaped, deeply 3 lobed then cut or toothed
Flowers: yellow, 5-parted, 2/3"-1 1/4" wide, normally 5 sepals, shiny petals broadly obovate and twice as long as the sepals; blooms May-Oct.
Fruits: dry seeds fruit drawing in roundish cluster
Habitat: moist; disturbed sites
Hazardous: Careful, this plant is hazardous!
Conservation Status: Introduced - naturalized
Dry to mesic forests of pine, oak-pine, oak-aspen, balsam fir-birch-aspen, maple-hemlock, aspen-birch, maple-birch-spruce, maple-basswood; roadsides, railroad tracks, ditches, along logging roads and trails, sparse lawns, meadows, fields, thickets, lakeshores, beaches and dunes, cliffs. Usually in rocky or sandy soils.

Introduced from Europe and first collected in 1879. Common in the far northern part of the state and rare or absent southward.
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Margery Melgaard  
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Merel R. Black  
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Christopher Noll  
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Kurt Stüber  
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Merel R. Black  
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Aaron_Carlson  
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Margery Melgaard  
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Aaron_Carlson  
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