Sheep-sorrel, Common Sheep Sorrel, Sour Dock, Red Sorrel
Rumex acetosella
Synonyms: Acetosella acetosella, Acetosella tenuifolia, Acetosella vulgaris, Rumex acetosella ssp. angiocarpus, Rumex acetosella var. pyrenaeus, Rumex acetosella var. tenuifolius, Rumex angiocarpus, Rumex tenuifolius

The photo above shows sheep-sorrel as seen
at about 4100' at a rock quarry atop the ridge dividing the Dairy Creek and
Cougar Creek drainages at the southeastern corner of Mt. Adams...................July
10, 2005.
Paul Slichter