[Members of the Sunflower Family Having Daisy-like Flower Heads Found West of the Cascade Mountains]

Arnicas West of the Cascade Mountains of Oregon and Washington

The Genus Arnica

Nodding Arnica, Serpentine Arnica: Arnica cernua

Serpentine Arnica (Arnica cernua) with Erythronium leaf at its base.

Clasping Arnica, Streambank Arnica, Streambank Leopardbane: Arnica lanceolata ssp. prima (Synonyms: Arnica amplexicaulis, Arnica amplexicaulis var. amplexicaulis, Arnica amplexicaulis var. piperi, Arnica amplexifolia ssp. prima) -

Nodding Arnica, Serpentine Arnica: Arnica cernua -

Heart-leaf Arnica, Heart-leaf Leopardbane, Heart-leaved Arnica: Arnica cordifolia (Synonyms: Arnica cordifolia var. cordifolia, Arnica cordifolia var. pumila) -

Rayless Arnica, Rayless Leopardbane: Arnica discoidea (Synonyms: Arnica grayi, Arnica parviflora ssp. alata, Arnica parviflora ssp. parviflora) - Discoid flower heads. Ray flowers are absent.

Slender Arnica, Slender Leopardbane: Arnica gracilis (Synonym: Arnica latifolia var. gracilis)

Slender Arnica, Small-head Arnica, Slender Leopardbane: Arnica gracilis (Synonym: Arnica latifolia var. gracilis) -

Broadleaf Arnica, Broad-leaved Arnica, Broad leaved Arnica, Daffodil Leopardbane, Mountain Arnica: Arnica latifolia (Synonym: Arnica latifolia var. latifolia) -

Longleaf Arnica, Seep Spring Arnica, Spear-leaf Arnica, Spear-leaf Leopardbane: Arnica longifolia (Synonym: Arnica longifolia ssp. myriadenia) -

Cordilleran Arnica, Cordilleran Leopardbane, Hairy Arnica: Arnica mollis -

Nevada Arnica, Sierra Arnica, Sierran Leopardbane: Arnica nevadensis (Synonym: Arnica tomentella) -

Sticky Arnica, Sticky-leaf Arnica: Arnica ovata (Synonyms: Arnica diversifolia, Arnica amplexicaulis, Arnica xdiversifolia) - - Note: This species is considered Arnica diversifolia in Oregon.

Nodding Arnica, Parry's Arnica: Arnica parryi (Synonyms: Arnica angustifolia ssp. eradiata, Arnica parryi ssp. parryi, Arnica parryi ssp. sonnei, Arnica parryi var. parryi, Arnica parryi var. sonnei) - Discoid flower heads. Ray flowers are absent.

Rydberg's Arnica, Subalpine Arnica, Subalpine Leopardbane: Arnica rydbergii (Synonym: Arnica aurantiaca) -

Klamath Arnica, Spatulate Arnica: Arnica spathulata (Synonyms: Arnica spathulata ssp. eastwoodii, Arnica spathulata ssp. spathulata) -


Paul Slichter E-mail