This is rough-fruited cinquefoil, also known as sulfur cinquefoil. It's a member of the rose
family. I took the picture at the top about a hundred yards west of the Rustic Bridge on July
8, 2006. I had seen it a month or so earlier but didn't have my camera with me. I passed by
several more times but it wasn't flowering and I thought I'd have to wait a year to get a
picture. Then on July 8, it was flowering again. The lower two pictures were taken on July
16, 2006, near Freedom Street, just a little west of the railroad crossing. In the midwestern
U.S. it's a serious rangeland weed. Cattle seldom eat it and it can become invasive.
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