Chamisso arnica (Arnica chamissonis)

Chamisso arnica, a reference photo — Photo: Kurt Stüber [1] · CC BY-SA 3.0 (licence)

Arnica chamissonis, the Chamisso arnica, is a North American species of plants in the family Asteraceae. It is very similar to Arnica montana. Arnica chamissonis is native to North America and naturalized in parts of Europe while A. montana is indigenous to Europe.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Chamisso arnica being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Arnica mollis
Arnica sororia
Arnica longifolia
Arnica fulgens
Arnica lanceolata
Arnica lonchophylla

Classification

Kingdom: Plantae
Phylum: Tracheophyta
Class: Magnoliopsida
Order: Asterales
Family: Asteraceae
Genus: Arnica
Species: Arnica chamissonis

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