[Clovers: The Genus Trifolium in the Columbia River Gorge of Oregon and Washington]

Burrowing clover as seen at Bayocean Spit at the west side of Tillamook Bay, northern Oregon coast..........May 22, 2009. In the Columbia River Gorge, this non-native species has been seen along Eightmile Creek in the Columbia Hills State Park and should be expected at other previously grazed sites.

Close-ups of burrowing clover as seen at Bayocean Spit at the west side of Tillamook Bay, northern Oregon coast.........May 22, 2009.