An arnica was growing wild over the hills of the botanical garden. They called them "weeds" and couldn't say which species they were. Very pretty, this flower. Oulu bot.g., Finland. Escapee. 2005-08-31.Arnica L. Engl.: arnica. Deu.: Arnika. Suom.: arnikit. Sven.: arnika, slåttergubbePersonal use? Non-commercial use? Commercial use? Read the Fine Print. Comments? Tell me.