Mushrooms in Yolo 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:
Wood Blewit Lepista nuda6 January records since 2011
Yellow Fieldcap Bolbitius titubans6 January records since 2011
Common Porecrust, Split Gill Fungus Schizophyllum commune4 January records since 2011
Turkeytail Trametes versicolor3 January records since 2011
Big Sheath Mushroom Volvopluteus gloiocephalus3 January records since 2011
Glistening Ink-Cap Coprinellus micaceus2 January records since 2011
Lawyer's Wig Coprinus comatus2 January records since 2011
Yellow Stainer Agaricus xanthodermus2 January records since 2011
Usually recorded in February here:
Mulch Maids Leratiomyces percevalii4 February records across all years- Turkeytail Trametes versicolor4 February records across all years
Crystal Brain Fungus Myxarium nucleatum2 February records across all years- Big Sheath Mushroom Volvopluteus gloiocephalus2 February records across all years
Golden Milk Cap Lactarius alnicola2 February records across all years
Usually recorded in March here:
- Mulch Maids Leratiomyces percevalii5 March records across all years
- Common Porecrust, Split Gill Fungus Schizophyllum commune3 March records across all years
- Yellow Fieldcap Bolbitius titubans2 March records across all years
Plantpot Dapperling Leucocoprinus birnbaumii2 March records across all years
Hairy Curtain Crust Stereum hirsutum2 March records across all years
Usually recorded in April here:
Fungi Agroathelia rolfsii2 April records across all years- Calyptella capula2 April records across all years
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:
False Parasol Chlorophyllum molybdites3 August records since 2011
Too few past records in September here to list species.
Usually recorded in October here:
Leucocoprinus leucothites7 October records across all years
Alcohol Inky Cap Coprinopsis atramentaria3 October records across all years
Gasteroid Agaricus Agaricus deserticola2 October records across all years
Red Cage Clathrus ruber2 October records across all years
Usually recorded in November here:
- Crystal Brain Fungus Myxarium nucleatum16 November records across all years
- Leucocoprinus leucothites9 November records across all years
- Peniophora malenconii4 November records across all years
Lopharia cinerascens4 November records across all years- Lawyer's Wig Coprinus comatus3 November records across all years
Western Chicken-Of-The-Woods Laetiporus gilbertsonii3 November records across all years
Liver Bolete Suillellus amygdalinus2 November records across all years- Pratella edulis2 November records across all years
- Alcohol Inky Cap Coprinopsis atramentaria2 November records across all years
Usually recorded in December here:
- Big Sheath Mushroom Volvopluteus gloiocephalus8 December records across all years
- Mulch Maids Leratiomyces percevalii2 December records across all years
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 30 | |
| 2 | 17 | |
| 3 | 16 | |
| 4 | 12 | |
| 5 | 9 | |
| 6 | 9 | |
| 7 | 8 | |
| 8 | 8 | |
| 9 | 8 | |
| 10 | 8 | |
| 11 | 6 | |
| 12 | 6 | |
| 13 | 6 | |
| 14 | 6 | |
| 15 | Peniophora malenconii | 5 |
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: Nov, Jan, Mar.
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.
- 1Mar 26, 2026Common Porecrust, Split Gill Fungus Schizophyllum communenear Davis, CA · iNaturalist photo, research grade · original record
- 2Feb 25, 2026Turkeytail Trametes versicolorin Putah Creek Riparian Reserve, CA · iNaturalist photo, research grade · original record
- 3Feb 20, 2026Turkeytail Trametes versicolornear University of California-Davis, CA · iNaturalist photo, research grade · original record
- 4Jan 28, 2026Mulch Maids Leratiomyces percevaliinear Davis, CA · iNaturalist photo, research grade · original record
- 5Jan 20, 2026Lawyer's Wig Coprinus comatusnear West Sacramento, CA · iNaturalist photo, research grade · original record
- 6Jan 16, 2026Common Porecrust, Split Gill Fungus Schizophyllum communein Aspen Greenbelt, CA · iNaturalist photo, research grade · original record
- 7Jan 16, 2026Wood Blewit Lepista nudain Aspen Greenbelt, CA · iNaturalist photo, research grade · original record
- 8Jan 16, 2026Wood Blewit Lepista nudain Aspen Greenbelt, CA · iNaturalist photo, research grade · original record
- 9Jan 15, 2026Yellow Fieldcap Bolbitius titubansnear Davis, CA · iNaturalist photo, research grade · original record
- 10Jan 7, 2026Turkeytail Trametes versicolornear Davis, CA · iNaturalist photo, research grade · original record
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How we built this page
280 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 159 CC0 and 121 CC BY 4.0. See about the data for the full citation.