Columbia Goldenweed, Large-flowered Goldenweed, Rayless Goldenweed
Pyrrocoma carthamoides var. carthamoides
Synonyms: Haplopappus
carthamoides ssp. carthamoides, Haplopappus carthamoides ssp. rigidus, Haplopappus carthamoides var. carthamoides
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Two photos showing the broad inflorescence
and large involucral bracts of columbia goldenweed as found in vernally moist streambeds along Road K1000
to the east of the Mt. Adams Highway. Note the large involucral bracts. The
flower heads are all discoid. Photographed July 9, 2006.
Columbia goldenweed blooming along old farm roads east of Canyon Creek at the Klickitat Wildlife Area......July 3, 2022.
The photo above shows stem leaf of columbia
goldenweed. Note that the margins are lightly and irregularly toothed. Photographed
July 2, 2006.
Columbia goldenweed blooming near Klickitat Breaks Road in the Klickitat Wildlife Area..........June 30, 2014.
Paul Slichter