Creeping Buttercup, Double-flowered Creeping Buttercup
Ranunculus repens
Synonyms: Ranunculus repens var. erectus, Ranunculus repens var. glabratus, Ranunculus repensvar. repens, Ranunculus repens var. repens
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The photo above shows a close-up of the flower
of creeping buttercup.
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The creeping stolon of creeping buttercup is easily seen in this photo taken along the Toutle Trail #238 at a wetland between Sheep Canyon and the South Fork Toutle River, Mount Saint Helens National Volcanic Monument.........October 19, 2014.
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Creeping buttercup as seen in a vernally moist swale near the east side of the Sandy River delta, Troutdale, Oregon...........September 9, 2012.

Stem leaf of creeping buttercup from Gresham, OR..........May 2002.

The photo above illustrates the dorsal surface
of a typical basal leaf of creeping buttercup. The upper leaf surface is often
a shade darker in color. Gresham, OR.........May 2002.
Paul Slichter