Oslo og omland sopp- og nyttevekstforening

Oslo og omland sopp- og nyttevekstforening is a non-profit association based in Oslo, Norway working on nature & wildlife conservation, education.

Oslo og omland sopp- og nyttevekstforening (OOSN) is a local association affiliated with Norges sopp- og nyttevekstforbund. It works to increase knowledge about and use of mushrooms and wild edible plants. OOSN runs guided walks, courses, mushroom inspections, lectures and meetings, both for its members and as open events for the public. It is involved in biodiversity work through SABIMA and takes part in national species mapping through Artsdatabanken. The association covers Oslo, Bærum and Asker in Norway and offers activities for everyone from hobby foragers to experienced mushroom experts and mappers. Its activities are spread across the year, with most taking place in spring and early summer and during the autumn mushroom season.