Arnica cordifolia
Member of
genus Arnica
tarweeds and allies (tribe Madieae)
sunflower family (family Asteraceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)
Toxicity of arnica (Arnica spp.):
1 – Skin contact with these plants can cause symptoms ranging from redness, itching, and rash to painful blisters like skin burns.
4 – Ingestion of these plants, especially in large amounts, is expected to cause serious effects to the heart, liver, kidneys or brain. If ingested in any amount, call the poison center immediately.
Chris’s observations: none
Taxon info: iNaturalist – Calflora – CalPhotos – Jepson eFlora – FNA
Bay Area species: iNaturalist – Calflora