Mushrooms in Alpine County, California
Fruiting now
Based on past sightings (mostly since 2011; all years where recent records are few), not a forecast. Weather and place matter a lot, and a listing here says nothing about whether a mushroom is safe.
Too few past records in January here to list species.
Too few past records in February here to list species.
Too few past records in March here to list species.
Usually recorded in April here:
Crassisporium funariophilum2 April records since 2011
Usually recorded in May here:
Hygrophorus subalpinus2 May records across all years
Baker's Shanklet Collybia bakerensis2 May records across all years- Melanoleuca eccentrica2 May records across all years
Usually recorded in June here:
Cryptic Globe Fungus Cryptoporus volvatus3 June records since 2011
Usually recorded in July here:
Giant Lentinus Neolentinus ponderosus4 July records across all years- Cryptic Globe Fungus Cryptoporus volvatus3 July records across all years
Brown Cubical Rot Laetiporus conifericola3 July records across all years
Fly Agaric Amanita muscaria3 July records across all years- Tyromyces leucospongius2 July records across all years
Usually recorded in August here:
- Gastroboletus ruber2 August records since 2011
Blue-Staining Slippery Jack Suillus tomentosus2 August records since 2011- Russula mustelina2 August records since 2011
- Fly Agaric Amanita muscaria2 August records since 2011
- Giant Lentinus Neolentinus ponderosus2 August records since 2011
Usually recorded in September here:
False Yellowfoot Chrysomphalina chrysophylla3 September records across all years
Short-Stalked Suillus Suillus brevipes3 September records across all years- Cryptic Globe Fungus Cryptoporus volvatus3 September records across all years
Common Funnel Infundibulicybe gibba2 September records across all years- Fly Agaric Amanita muscaria2 September records across all years
Clustered Domecap Lyophyllum decastes2 September records across all years
Usually recorded in October here:
Orange Chrysomphalina Chrysomphalina aurantiaca2 October records since 2011- Inocybe phaeocystidiosa2 October records since 2011
- Hebeloma alpinicola2 October records since 2011
Cortinarius thiersii2 October records since 2011
Rhizopogon evadens2 October records since 2011
Too few past records in November here to list species.
Too few past records in December here to list species.
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 12 | |
| 2 | 12 | |
| 3 | 11 | |
| 4 | 6 | |
| 5 | 6 | |
| 6 | 6 | |
| 7 | 4 | |
| 8 | 4 | |
| 9 | 4 | |
| 10 | 4 | |
| 11 | 4 | |
| 12 | 4 | |
| 13 | 3 | |
| 14 | 3 | |
| 15 | 3 |
Being on this list doesn't mean a mushroom is common, easy to identify or safe. It only means it has been recorded here often.
Best months to look
Records by month, all years. Busiest: Oct, Aug, Sep.
Sightings map
● Each dot is a place with at least one record (rounded to about 1 km). Locations can be approximate, and many are on private land. Numbered blue circles are recent sightings, shown only to a general area of about 10 km.
Recent sightings
The 10 most recent dated records in this county, newest first. Data as of October 26, 2026. Records can take weeks or more to reach GBIF, so the newest finds may not show yet. Places are given only as a public park or forest (from the USGS Protected Areas Database) or the nearest town, and the numbered circles on the map cover a general area, not an exact spot.
- 1Sep 26, 2026Cryptic Globe Fungus Cryptoporus volvatusin Stanislaus National Forest, CA · iNaturalist photo, research grade · original record
- 2Sep 5, 2026Cryptic Globe Fungus Cryptoporus volvatusin Eldorado National Forest, CA · iNaturalist photo, research grade · original record
- 3
Sep 5, 2026Northern Red Belt Fomitopsis mounceaein Eldorado National Forest, CA · iNaturalist photo, research grade · original record - 4Jul 23, 2026Giant Lentinus Neolentinus ponderosusin Toiyabe National Forest, CA · iNaturalist photo, research grade · original record
- 5Jul 19, 2026Fly Agaric Amanita muscariain Eldorado National Forest, CA · iNaturalist photo, research grade · original record
- 6Jul 3, 2026Giant Lentinus Neolentinus ponderosusin Toiyabe National Forest, CA · iNaturalist photo, research grade · original record
- 7Jul 1, 2026Giant Lentinus Neolentinus ponderosusin Stanislaus National Forest, CA · iNaturalist photo, research grade · original record
- 8Jun 20, 2026Cryptic Globe Fungus Cryptoporus volvatusin Stanislaus National Forest, CA · iNaturalist photo, research grade · original record
- 9Jun 8, 2025Cryptic Globe Fungus Cryptoporus volvatusin Stanislaus National Forest, CA · iNaturalist photo, research grade · original record
- 10Sep 30, 2024Mallocybe siciliananear Kirkwood, CA · museum/herbarium specimen (California State University, East Bay) · original record
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How we built this page
293 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 165 CC0 and 128 CC BY 4.0. See about the data for the full citation.