[Coolworts and Foamflowers: The Genus Tiarella in the Cascade Mountains of Oregon and Washington]

Coolwort, Trefoil Foamflower, Trefoil False Mitrewort

Tiarella trifoliata var. trifoliata

Inflorescence of Coolwort, Trefoil Foamflower, Trefoil False Mitrewort: Tiarella trifoliata var. trifoliata - Coolwort, Trefoil Foamflower, Trefoil False Mitrewort: Tiarella trifoliata var. trifoliata - Inflorescence of Coolwort, Trefoil Foamflower, Trefoil False Mitrewort: Tiarella trifoliata var. trifoliata

Trefoil foamflower as seen in bloom along the Toutle Trail between Blue Lake and Sheep Canyon, Mt. St. Helens National Volcanic Monument.........August 20, 2017.

Trifoliate leaf of Trefoil Foamflower, Trefoil False Mitrewort: Tiarella trifoliata var. trifoliata

This photo shows a trifoliate stem leaf of trefoil foamflower as seen along the Wolf Creek Trail in the Umpqua National Forest.........June 26, 2005.
Paul Slichter