The Matsutake mushroom harvest season will begin Sept. 3 in the Deschutes, Fremont-Winema, Umpqua and Willamette national forests. The season will run through Nov. 3. Those who harvest mushrooms on national forest land must purchase a commercial harvest permit. Permits cost $200 for the 62-day season, $100 for a half-season permit, or $8 a day with a three-day minimum purchase.