Mushrooms in St. Clair County, Michigan
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.
Usually recorded in March here:
Common Porecrust, Split Gill Fungus Schizophyllum commune2 March records since 2011
Usually recorded in April here:
Dryad's Saddle Cerioporus squamosus3 April records since 2011
Usually recorded in May here:
- Dryad's Saddle Cerioporus squamosus3 May records since 2011
Usually recorded in June here:
Hemlock Varnish Shelf Ganoderma tsugae2 June records since 2011
Too few past records in July here to list species.
Usually recorded in August here:
Turkeytail Trametes versicolor3 August records since 2011
Common Earthball Scleroderma citrinum2 August records since 2011
Lumpy Bracket Trametes gibbosa2 August records since 2011
Usually recorded in September here:
- Dryad's Saddle Cerioporus squamosus3 September records across all years
Trametes trogii2 September records across all years
Mossy Maze Polypore Cerrena unicolor2 September records across all years
Usually recorded in October here:
- Turkeytail Trametes versicolor5 October records since 2011
Lawyer's Wig Coprinus comatus4 October records since 2011
Jelly Rot Phlebia tremellosa2 October records since 2011
Deadly Galerina Galerina marginata2 October records since 2011
Usually recorded in November here:
Hoof Fungus Fomes fomentarius3 November records since 2011
Too few past records in December here to list species.
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 13 | |
| 2 | 13 | |
| 3 | 6 | |
| 4 | 5 | |
| 5 | 4 | |
| 6 | 4 | |
| 7 | 4 | |
| 8 | 3 | |
| 9 | 3 | |
| 10 | 3 | |
| 11 | 3 | |
| 12 | 2 | |
| 13 | 2 | |
| 14 | 2 | |
| 15 | 2 |
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, Sep, Nov.
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.
- 1
Oct 4, 2026Cortinarius lucorumnear Marysville, MI · iNaturalist photo, research grade · original record - 2Sep 22, 2026Dryad's Saddle Cerioporus squamosusnear Marine City, MI · iNaturalist photo, research grade · original record
- 3Aug 20, 2026Lumpy Bracket Trametes gibbosanear Ruby, MI · iNaturalist photo, research grade · original record
- 4
Aug 20, 2026Bitter Oysterling Panellus stipticusnear Ruby, MI · iNaturalist photo, research grade · original record - 5
Aug 20, 2026Crown-Tipped Coral Artomyces pyxidatusnear Ruby, MI · iNaturalist photo, research grade · original record - 6
Aug 20, 2026Brown Cubical Rot Of Birch Fomitopsis betulinanear Ruby, MI · iNaturalist photo, research grade · original record - 7Aug 20, 2026Fungi Pallidohirschioporus biformisnear Ruby, MI · iNaturalist photo, research grade · original record
- 8Jul 25, 2026Crown-Tipped Coral Artomyces pyxidatusnear St. Clair, MI · iNaturalist photo, research grade · original record
- 9Jul 9, 2026Turkeytail Trametes versicolorin Sixteenth Street Park, MI · iNaturalist photo, research grade · original record
- 10Jul 1, 2026Dryad's Saddle Cerioporus squamosusin Port Huron State Game Area, MI · iNaturalist photo, research grade · original record
Bring along
As an Amazon Associate we earn from qualifying purchases.
How we built this page
115 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 25 CC0 and 90 CC BY 4.0. See about the data for the full citation.