[Hawkweeds: The Genus Hieracium West of the Cascade Mountains of Oregon and Washington]

What may be Greene's hawkweed observed along the Pacific Crest Trail #2000 on dry slopes at the southwest corner of Mount Ashland, Klamath National Forest.......July 22, 2021. There are no black bristlesnor any thick covering of tomentose hairs on the involucral bracts. Neither are they glabrous or glaucous.

What appears to be Greene's hawkweed observed along the Pacific Crest Trail #2000 on dry slopes about one-half mile northeast of Siskiyou Peak, Klamath National Forest.......July 23, 2021.