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Photographer: Christopher Noll
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Family Ranunculaceae
Ranunculus acris L.
common buttercup, blister plant, meadow buttercup, tall buttercup
Ranunculus: from Latin rana, "little frog," because many species tend to grow in moist places
acris: sharp-tasting, biting, acrid
Hazardous 
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| Status: | Introduced - naturalized |
| Plant: | erect, perennial, 10"-40" tall, hairy forb |
| Flower: | 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. |
| Fruit: | dry seeds  in roundish cluster |
| Leaf: | 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 |
| Habitat: | moist; disturbed sites |
| (Glossary) |
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