[Members of the Sunflower Family in the Cascade Mountains of Oregon and Washington with Flowers like Buttons (no ray flowers)]

Rayless Shasta Aster

Dieteria canescens var. shastensis

Synonyms: Aster shastensis var. eradiatus, Machaeranthera canescens var. shastensis, Machaeranthera shastensis var. eradiata, Machaeranthera shastensis var. shastensis

Rayless Shasta Aster: Dieteria canescens var. shastensis (Synonyms: Aster shastensis var. eradiatus, Machaeranthera canescens var. shastensis, Machaeranthera shastensis var. eradiata, Machaeranthera shastensis var. shastensis) - Rayless Shasta Aster: Dieteria canescens var. shastensis (Synonyms: Aster shastensis var. eradiatus, Machaeranthera canescens var. shastensis, Machaeranthera shastensis var. eradiata, Machaeranthera shastensis var. shastensis)

Rayless Shasta Aster: Dieteria canescens var. shastensis (Synonyms: Aster shastensis var. eradiatus, Machaeranthera canescens var. shastensis, Machaeranthera shastensis var. eradiata, Machaeranthera shastensis var. shastensis) - Rayless Shasta Aster: Dieteria canescens var. shastensis (Synonyms: Aster shastensis var. eradiatus, Machaeranthera canescens var. shastensis, Machaeranthera shastensis var. eradiata, Machaeranthera shastensis var. shastensis) - Rayless Shasta Aster: Dieteria canescens var. shastensis (Synonyms: Aster shastensis var. eradiatus, Machaeranthera canescens var. shastensis, Machaeranthera shastensis var. eradiata, Machaeranthera shastensis var. shastensis)

Rayless shasta aster observed in open ponderosa pine woods at Silver Creek Marsh Campground, Fremont-Winema National Forest.........June 20, 2020.
Paul Slichter