[Thistles: The Genus Cirsium East of the Cascade Mountains of Oregon and Washington]

Intermountain Thistle, Jackson Hole Thistle

Cirsium inamoenum var. inamoenum

Synonyms: Synonyms: Cirsium subniveum, Cirsium utahense

Intermountain Thistle, Jackson Hole Thistle: Cirsium inamoenum var. inamoenum (Synonyms: Synonyms: Cirsium subniveum, Cirsium utahense)

A close-up of the flower head of what appears to be intermountain thistle as seen along the Steins Pillar Trail #837, Ochoco National Forest.......May 21, 2017. Note the cobwebby hairs and the individual bracts which taper gradualy to the long spine at their tip.

Intermountain Thistle, Jackson Hole Thistle: Cirsium inamoenum var. inamoenum (Synonyms: Synonyms: Cirsium subniveum, Cirsium utahense) - Intermountain Thistle, Jackson Hole Thistle: Cirsium inamoenum var. inamoenum (Synonyms: Synonyms: Cirsium subniveum, Cirsium utahense) - Intermountain Thistle, Jackson Hole Thistle: Cirsium inamoenum var. inamoenum (Synonyms: Synonyms: Cirsium subniveum, Cirsium utahense)

Leaf of Intermountain Thistle, Jackson Hole Thistle: Cirsium inamoenum var. inamoenum (Synonyms: Synonyms: Cirsium subniveum, Cirsium utahense)

Intermountain Thistle, Jackson Hole Thistle: Cirsium inamoenum var. inamoenum (Synonyms: Synonyms: Cirsium subniveum, Cirsium utahense) - Intermountain Thistle, Jackson Hole Thistle: Cirsium inamoenum var. inamoenum (Synonyms: Synonyms: Cirsium subniveum, Cirsium utahense)

Intermountain thistle as seen on steep, open slopes along Forest Road #39 about ten miles south of the junction with Forest Road #3965, Hells Canyon National Recreation Area.......June 11, 2018.

Basal leaves of Intermountain Thistle, Jackson Hole Thistle: Cirsium inamoenum var. inamoenum (Synonyms: Synonyms: Cirsium subniveum, Cirsium utahense) - Intermountain Thistle, Jackson Hole Thistle: Cirsium inamoenum var. inamoenum (Synonyms: Synonyms: Cirsium subniveum, Cirsium utahense) - Basal leaves of Intermountain Thistle, Jackson Hole Thistle: Cirsium inamoenum var. inamoenum (Synonyms: Synonyms: Cirsium subniveum, Cirsium utahense)

What appears to be intermountain thistle as seen along the Steins Pillar Trail #837, Ochoco National Forest.......May 21, 2017.

Paul Slichter