Ranunculus micranthus is a flowering plant species in the Ranunculus (buttercup) genus known by the common names rock buttercupUSDA Plants Profile 19 Dec 2011 and small-flowered crowfoot.New York Natural Heritage Program. 2011. Online Conservation Guide for Ranunculus micranthus. 19 Dec 2011 It is native to North America, with a distribution that covers much of the eastern United States. R. micranthus is very similar in appearance to R. abortivus (small-flowered buttercup). The distinguishing characteristics are the hairiness of their receptacles and shininess of their achenes.Illinois wildflowers: Small-Flowered Buttercup. 19 Dec 2011
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