SafePlants

Arnica nevadensis: Nevada Arnica and Sierra Arnica

Arnica nevadensis, a member of the sunflower family, is commonly known as Nevada arnica and Sierra arnica. It is a perennial herb found in specific regions of North America.

Considerations for Pets

• While this content does not explicitly state toxicity, other species of *Arnica* are known as Leopard's Bane. This association, alongside the description of hairy stems, might warrant caution around curious pets.

Taxonomy and Nomenclature

• Scientific Name: Arnica nevadensis A. Gray
• Common Names: Nevada arnica, Sierra arnica, Sierran leopardbane
• Family: Asteraceae (Sunflower family)
• Synonym: Arnica tomentella Greene

Distribution and Habitat

• Arnica nevadensis is native to the coniferous forests of western North America, including California, Nevada, and parts of Oregon.
• It's found in mountainous regions, including the Sierra Nevada.

Morphological Characteristics

• It is a forb/herb, a non-woody plant that is not a grass.
• Plants are typically 10-50 cm tall.
• It has bright yellow flowers with broader petals compared to other arnica species.
• The stems are hairy.

Quirky Facts

• The plant has a historical association with healing, as related to Arnica montana which has a "remarkable reputation for healing".

Further Information

• Discover Life offers a page about the biology, natural history, ecology, identification, and distribution of Arnica nevadensis.
• USDA Plants Database
• CalPhotos
• Oregon Flora Project Atlas
• E-Flora BC
• British Database of World Flora and Fauna provides taxonomic information.