White Hawkweed, White-flowered Hawkweed
Hieracium albiflorum
Synonyms: Chlorocrepis albiflora, Hieracium helleri, Hieracium occidentale, Hieracium siskiyouense
A close-up of the inflorescence of white hawkweed as seen along the Boundary Trail #1 about a mile east of the Johnston Ridge Observatory, Mount Saint Helens National Volcanic Monument.........July 2, 2014.
The photo above shows the inflorescence of
white-flowered hawkweed as photographed at about 4100' atop the ridge that divides
the Cougar and Dairy Creek drainages at the southeast corner of Mt. Adams.........July
10, 2005.
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These two photos close-ups of the flower
head of white-flowered hawkweed as photographed at about 4100' atop the ridge
that divides the Cougar and Dairy Creek drainages at the southeast corner of
Mt. Adams.........July 10, 2005. This is the only white-flowered hawkweed
species in the Pacific Northwest. Note the thin, black bristles on the involucral
bracts. Note the squared-off, fringed tips
to the rays.
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The photo at left shows a close-up of the inflorescence of white-flowered hawkweed as seen along the Castle Rock Trail #3506, Willamette National Forest.........June 24, 2018
Paul Slichter