[The Horsetail Family in the Columbia River Gorge of Oregon and Washington]

Common Horsetail, Field Horsetail

Equisetum arvense

Common Horsetail, Field Horsetail: Equisetum arvense

Common horsetail as seen on mud flats along the Columbia River shoreline at the east side of the Sandy River Delta, Troutdale, Oregon...........September 8, 2012.

Common Horsetail, Field Horsetail: Equisetum arvense

Field horsetail emerging from spring foliage along the Eagle Creek Trail, Columbia River Gorge..........April 11, 2013.


Paul Slichter