Forests › Northern California
Mushroom foraging in Modoc National Forest
10 of our 17 species have habitat in Modoc National Forest (about 6,865 km² of public forest mapped). No species is flushing widely this week. Updated every night from the weather forecast.
Where the habitat is
5 km squares: darker green means more of the square is habitat for at least one species. The map shows the zones at 250 m.
Species and seasons
Spring king
Boletus rex-verisOut of season
1,356 km² of habitat · season here 16 May – 10 Jun
Ponderosa, lodgepole and white fir mixed conifer, red fir; follows the snowmelt line.
Chicken of the woods (conifer)
Laetiporus conifericolaOut of season
972 km² of habitat · season here 2 Aug – 25 Sep
Big living or dead conifers: true fir, spruce, hemlock, also pines and redwood; mountains in California, down to the coast further north.
Matsutake
Tricholoma murrillianumOut of season
830 km² of habitat · season here 22 Nov – 9 Jan
Lodgepole and shore pine, Shasta red fir, tanoak; sandy, acidic, well-drained soils.
Natural morels
Morchella spp.Out of season
701 km² of habitat · season here 11 Apr – 27 May
Riparian cottonwood, mixed conifer and red fir, aspen; also landscaping wood chips.
Shrimp russula
Russula xerampelina groupIn season, quiet this week
314 km² of habitat · season here 2 Nov – 10 Jan
Conifer forest (Douglas-fir, spruce, pine, hemlock), mixed evergreen forest in California.
Lobster
Hypomyces lactifluorum on RussulaOut of season
174 km² of habitat · season here not enough records
Orange mould on short-stemmed russulas under Douglas-fir, spruce, pine and hemlock; late summer to autumn.
Fall king bolete
Boletus edulis groupIn season, quiet this week
161 km² of habitat · season here 7 Oct – 12 Dec
Sitka spruce and shore pine dunes, Bishop and Monterey pine, tanoak–madrone, true fir.
Bear's head
Hericium abietis, H. erinaceus, H. coralloidesOut of season
54 km² of habitat · season here 6 Dec – 25 Jan
Large dead wood: true fir and Douglas-fir logs in the mountains, oak and tanoak in California.
Oyster
Pleurotus ostreatus groupOut of season
21 km² of habitat · season here 28 Nov – 15 Jan
Dead alder, cottonwood, maple, oak and tanoak; spring and autumn in Oregon and Washington, winter in California.
Burn morels
Morchella spp., recent firesOut of season
6 km² of habitat · season here 11 Apr – 27 May
Conifer forest inside last year's fire perimeters; fruits the first spring after the fire.
"Flushing": at least a fifth of the species' habitat in the forest is rated good or better on one of the next 7 days. Season: the middle half of dated finds in this part of Northern California (GBIF, 2000-2026). How accurate is this?
Picking rules
- Picking allowed, no permit: Non-matsutake mushrooms: free incidental use without a permit. No free matsutake; commercial permits were not being issued (May 2026). official page
Rules change: always check with the forest before you go. Wilderness areas, research natural areas and some monuments are closed to picking.
250 m habitat zones for 17 species, a 15-day flush outlook that follows the weather and the terrain, public-land picking rules, field mode with offline maps, picking alerts, and photo check-ins. It is in private beta: ask for an invite.
Ask for an inviteSafety
Never eat a wild mushroom unless an expert has identified it in person. Several deadly species grow in these forests.