*Arnica species are used as food plants by the larvae of some Lepidoptera species including Bucculatrix arnicella.
*Commercial Arnica homeopathic preparations are frequently used by professional athletes.[5] According to The Memorial Sloan-Kettering Cancer Center, "A few clinical trials suggest benefits of topical arnica for osteoarthritis; and for affecting significant reduction of bruising compared to placebo or low concentration vitamin K ointments.<ref name="uses"/>
==common name==
* '''English''' - Leopard's bane
== References ==