Mushrooms in Solano 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.
Usually recorded in January here:
Yellow Fieldcap Bolbitius titubans9 January records since 2011
Big Sheath Mushroom Volvopluteus gloiocephalus8 January records since 2011
Mulch Maids Leratiomyces percevalii6 January records since 2011
California Jack O' Lantern Omphalotus olivascens5 January records since 2011
Turkeytail Trametes versicolor4 January records since 2011
Pholiota foedata3 January records since 2011
Golden Milk Cap Lactarius alnicola3 January records since 2011
Wood Blewit Lepista nuda3 January records since 2011
Ash Cap Myxomphalia maura2 January records since 2011
Hairy Curtain Crust Stereum hirsutum2 January records since 2011
Usually recorded in February here:
- Yellow Fieldcap Bolbitius titubans11 February records since 2011
- Mulch Maids Leratiomyces percevalii8 February records since 2011
- Turkeytail Trametes versicolor7 February records since 2011
- Big Sheath Mushroom Volvopluteus gloiocephalus5 February records since 2011
- Golden Milk Cap Lactarius alnicola5 February records since 2011
Bittersweet Orange Ringless Amanita Amanita velosa4 February records since 2011
Common Porecrust, Split Gill Fungus Schizophyllum commune4 February records since 2011
Silky Pinkgill Entoloma sericeum2 February records since 2011
Firerug Inkcap Coprinellus domesticus2 February records since 2011
Giraffe Spots Peniophora albobadia2 February records since 2011
Usually recorded in March here:
- Mulch Maids Leratiomyces percevalii8 March records since 2011
- Hairy Curtain Crust Stereum hirsutum4 March records since 2011
- Common Porecrust, Split Gill Fungus Schizophyllum commune4 March records since 2011
Common Fieldcap Agrocybe pediades3 March records since 2011- Turkeytail Trametes versicolor3 March records since 2011
- Agaricus berryessae2 March records since 2011
Pale Brittlestem Candolleomyces candolleanus2 March records since 2011
Rosy Navel Contumyces rosellus2 March records since 2011- Bittersweet Orange Ringless Amanita Amanita velosa2 March records since 2011
Cryptic Globe Fungus Cryptoporus volvatus2 March records since 2011
Usually recorded in April here:
- Common Porecrust, Split Gill Fungus Schizophyllum commune4 April records since 2011
- Turkeytail Trametes versicolor3 April records since 2011
Spring Fieldcap Agrocybe praecox2 April records since 2011- Hairy Curtain Crust Stereum hirsutum2 April records since 2011
Too few past records in May here to list species.
Too few past records in June here to list species.
Too few past records in July here to list species.
Usually recorded in August here:
- Common Porecrust, Split Gill Fungus Schizophyllum commune5 August records since 2011
- Turkeytail Trametes versicolor2 August records since 2011
Usually recorded in September here:
Western Chicken-Of-The-Woods Laetiporus gilbertsonii5 September records since 2011
Usually recorded in October here:
- Turkeytail Trametes versicolor3 October records since 2011
Usually recorded in November here:
Yellow Stainer Agaricus xanthodermus2 November records since 2011- Common Porecrust, Split Gill Fungus Schizophyllum commune2 November records since 2011
Usually recorded in December here:
- Yellow Fieldcap Bolbitius titubans8 December records since 2011
- Hairy Curtain Crust Stereum hirsutum5 December records since 2011
- Common Porecrust, Split Gill Fungus Schizophyllum commune4 December records since 2011
Brown Hay Cap Panaeolina foenisecii4 December records since 2011- Turkeytail Trametes versicolor3 December records since 2011
- Big Sheath Mushroom Volvopluteus gloiocephalus3 December records since 2011
- Golden Milk Cap Lactarius alnicola3 December records since 2011
- Common Fieldcap Agrocybe pediades3 December records since 2011
- Agaricus incultorum3 December records since 2011
Bonnets Mycena californiensis2 December records since 2011- Ash Cap Myxomphalia maura2 December records since 2011
Tall Psathyrella Psathyrella longipes2 December records since 2011
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 29 | |
| 2 | 29 | |
| 3 | 27 | |
| 4 | 25 | |
| 5 | 17 | |
| 6 | 15 | |
| 7 | 13 | |
| 8 | 9 | |
| 9 | 9 | |
| 10 | 8 | |
| 11 | 8 | |
| 12 | 7 | |
| 13 | 7 | |
| 14 | 6 | |
| 15 | 6 |
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: Jan, Dec, Feb.
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 22, 2026Western Chicken-Of-The-Woods Laetiporus gilbertsoniinear Vacaville, CA · iNaturalist photo, research grade · original record
- 2
Apr 12, 2026Grey Puffball Bovista plumbeanear Fairfield, CA · iNaturalist photo, research grade · original record - 3Mar 9, 2026Hairy Curtain Crust Stereum hirsutumin Blue Rock Springs Corridor Park, CA · iNaturalist photo, research grade · original record
- 4Mar 9, 2026Hairy Curtain Crust Stereum hirsutumnear Vallejo, CA · iNaturalist photo, research grade · original record
- 5
Feb 14, 2026Glistening Ink-Cap Coprinellus micaceusnear Vacaville, CA · iNaturalist photo, research grade · original record - 6Feb 13, 2026Mulch Maids Leratiomyces percevaliiin Glen Cove Nature Area, CA · iNaturalist photo, research grade · original record
- 7Feb 13, 2026Mulch Maids Leratiomyces percevaliiin Glen Cove Nature Area, CA · iNaturalist photo, research grade · original record
- 8Feb 2, 2026Turkeytail Trametes versicolorin Brown's Valley Ridge Open Space, CA · iNaturalist photo, research grade · original record
- 9Feb 1, 2026Yellow Fieldcap Bolbitius titubansin Stebbins Cold Canyon Reserve, CA · iNaturalist photo, research grade · original record
- 10Jan 28, 2026Bittersweet Orange Ringless Amanita Amanita velosain Caligiuri Park & Preserve, CA · iNaturalist photo, research grade · original record
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How we built this page
392 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 47 CC0 and 345 CC BY 4.0. See about the data for the full citation.