You can collect non-protected flowers, forest berries, mushrooms, and fallen branches, cones, and acorns from places where movement is allowed under everyone’s right. For the collection of materials not covered by everyone’s rights, you need the landowner’s permission, which you can obtain from Metsähallitus for state-owned areas.
You can purchase a natural product permit in Eräluvat webshop: https://www.eraluvat.fi/en/natural-products/natural-products-permits
A natural product permit entitles to collect
The following restrictions apply:
You can collect natural products only from state-owned multiple-use forests designated for forestry. The permit doesn't cover collecting products from protected areas or areas with restrictions. See right areas in Retkikartta service Retkikartta.fi https://retkikartta.fi/ or ask the local forestry specialist (https://www.metsa.fi/en/about-us/contact-us/)