[Aconites and Monkshoods: The Genus Aconitum East of the Cascade Mts. of Oregon and Washington]
Columbia Aconite, Columbia Monkshood
Aconitum columbianum ssp. columbianum
Synonyms: Aconitum columbianum ssp. pallidum, Aconitum columbianum var. bakeri, Aconitum columbianum var. columbianum, Aconitum columbianum var. ochroleucum, Aconitum columbianum var. pallidum, Aconitum geranioides, Aconitum leibergii, Aconitum mogollonicum

A pale blue-flowered form of Columbia monkshood (var. columbianum) as seen from along the Canyon Mt. Trail #218, Strawberry Mountain Wilderness........August 1, 2011.
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- 
A pale blue-flowered form of Columbia monkshood (var. columbianum) as seen from along the Canyon Mt. Trail #218 at the Little Pine Creek crossing, Strawberry Mountain Wilderness.........August 19, 2011.
- 
The photo at right shows monkshood (var. columbianum) from Blue Sky, Hart Mt. National Antelope Refuge.......July 5, 1996.
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- 
The photo above shows 3 views of the flowers of a cream-colored monkshood as seen along the Lostine River in the Wallowa Mts of northeastern Oregon.........July 8, 2007.
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- 
Columbia monkshood blooming (left) in wet meadows west of High Lake along the High Lake Trail, Strawberry Mountain Wilderness.......July 17, 2013 The photo at right shows a paler form of Columbia monkshood as seen along the first mile of the Maxwell Lake Trail, Eagle Cap Wilderness.........August 3, 2016.

Columbia monkshood as seen at Potter Meadows across Forest Road 38 from the southern trailhead for the Ochoco Mountain Trail, Ochoco National Forest.........July 13, 2017.
Paul Slichter