Rayless Arnica, Rayless Leopardbane
Arnica discoidea
Synonyms: Arnica discoidea var. eradiata, Arnica grayi, Arnica parviflora, Arnica parviflora ssp. alata, Arnica parviflora ssp. parviflora
Rayless arnica blooming in leaf litter in an Oregon white oak forest on the west side of the Klickitat River several miles south of Leidl Park, Klickitat Wildlife Area.........May 15, 2013.
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Rayless arnica blooming in leaf litter in an Oregon white oak forest on the west side of the Klickitat River several miles south of Leidl Park, Klickitat Wildlife Area.........May 15, 2013.
Paul Slichter