Mushrooms in Sauk County, Wisconsin
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:
Northern Cinnabar Polypore Trametes cinnabarina2 January records across all years
Cinnabar Polypore Trametes coccinea2 January records across all years
Too few past records in February here to list species.
Usually recorded in March here:
Common Porecrust, Split Gill Fungus Schizophyllum commune4 March records since 2011
Ceramic Parchment Xylobolus frustulatus3 March records since 2011
Bitter Oysterling Panellus stipticus2 March records since 2011
Turkeytail Trametes versicolor2 March records since 2011
Usually recorded in April here:
Dryad's Saddle Cerioporus squamosus2 April records since 2011
Hemlock Varnish Shelf Ganoderma tsugae2 April records since 2011
Turkeytail Trametes versicolor2 April records since 2011
Usually recorded in May here:
Dryad's Saddle Cerioporus squamosus7 May records since 2011
Orange Mycena Mycena leaiana4 May records since 2011
Golden Oyster Mushroom Pleurotus citrinopileatus3 May records since 2011
Crown-Tipped Coral Artomyces pyxidatus2 May records since 2011
Usually recorded in June here:
Crown-Tipped Coral Artomyces pyxidatus25 June records across all years- Rhizoctonia anceps9 June records across all years
Golden Oyster Mushroom Pleurotus citrinopileatus9 June records across all years
Marasmius capillaris4 June records across all years
Orange Mycena Mycena leaiana3 June records across all years
Marasmius sullivantii3 June records across all years
Rosy Parachute Marasmius pulcherripes3 June records across all years
Orange Moss Navel Rickenella fibula2 June records across all years
Artist's Bracket Ganoderma applanatum2 June records across all years
Orange-Yellow Marasmius Marasmius strictipes2 June records across all years
Usually recorded in July here:
Crown-Tipped Coral Artomyces pyxidatus6 July records since 2011
Small Funnel-Veil Amanita Amanita multisquamosa3 July records since 2011
Chicken Of The Woods Laetiporus sulphureus2 July records since 2011
Common Puffball Lycoperdon perlatum2 July records since 2011
Golden Oyster Mushroom Pleurotus citrinopileatus2 July records since 2011
Usually recorded in August here:
Orange Mycena Mycena leaiana6 August records since 2011
Chicken Of The Woods Laetiporus sulphureus6 August records since 2011
Crown-Tipped Coral Artomyces pyxidatus5 August records since 2011
Golden Oyster Mushroom Pleurotus citrinopileatus5 August records since 2011
Pholiota polychroa3 August records since 2011
Usually recorded in September here:
Aborted Entoloma, Shrimp Of The Woods Entoloma abortivum7 September records since 2011
Garlic-Odored Death Cap Amanita suballiacea4 September records since 2011
Coker's Lavender Staining Amanita Amanita lavendula3 September records since 2011
Orange Mycena Mycena leaiana3 September records since 2011
Turkeytail Trametes versicolor3 September records since 2011
Apple Bolete Exsudoporus frostii3 September records since 2011
Wood Blewit Lepista nuda3 September records since 2011
Pear-Shaped Puffball Apioperdon pyriforme3 September records since 2011
Late Fall Polypore Ischnoderma resinosum3 September records since 2011
Bleeding Fairy Helmet Mycena haematopus2 September records since 2011
Hen Of The Woods Grifola frondosa2 September records since 2011
Jelly Rot Phlebia tremellosa2 September records since 2011
Usually recorded in October here:
Scurfy Deceiver Laccaria proxima4 October records since 2011
Giant Puffball Calvatia gigantea3 October records since 2011
Laccaria nobilis2 October records since 2011- Sandy Laccaria Laccaria trullissata2 October records since 2011
Late Fall Oyster Mushroom Sarcomyxa serotina2 October records since 2011
Usually recorded in November here:
Turkeytail Trametes versicolor3 November records since 2011
Too few past records in December here to list species.
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 38 | |
| 2 | 20 | |
| 3 | 17 | |
| 4 | 14 | |
| 5 | 13 | |
| 6 | 12 | |
| 7 | 10 | |
| 8 | 10 | |
| 9 | 9 | |
| 10 | 8 | |
| 11 | 8 | |
| 12 | 6 | |
| 13 | 6 | |
| 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: Sep, Jun, Aug.
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 9 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
Sep 27, 2026Byssomerulius incarnatusnear Baraboo, WI · iNaturalist photo, research grade · original record - 2
Sep 27, 2026Aborted Entoloma, Shrimp Of The Woods Entoloma abortivumnear North Freedom, WI · iNaturalist photo, research grade · original record - 3
Aug 18, 2026Orange Mycena Mycena leaiananear Bluffview, WI · iNaturalist photo, research grade · original record - 4
Jun 26, 2026Chicken Of The Woods Laetiporus sulphureusnear Bluffview, WI · iNaturalist photo, research grade · original record - 5
Jun 22, 2026Golden Oyster Mushroom Pleurotus citrinopileatusnear Baraboo, WI · iNaturalist photo, research grade · original record - 6
Jun 22, 2026Golden Oyster Mushroom Pleurotus citrinopileatusnear Baraboo, WI · iNaturalist photo, research grade · original record - 7
Jun 22, 2026Common Porecrust, Split Gill Fungus Schizophyllum communenear Baraboo, WI · iNaturalist photo, research grade · original record - 8
Jun 22, 2026Lumpy Bracket Trametes gibbosanear Baraboo, WI · iNaturalist photo, research grade · original record - 9
Jun 22, 2026Golden Oyster Mushroom Pleurotus citrinopileatusnear Baraboo, WI · iNaturalist photo, research grade · original record
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How we built this page
761 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 496 CC0 and 265 CC BY 4.0. See about the data for the full citation.