Mushrooms in Cass County, Minnesota
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.
Usually recorded in February here:
Red Tree Brain Fungus Peniophora rufa2 February records since 2011
Hoof Fungus Fomes fomentarius2 February records since 2011
Too few past records in March here to list species.
Too few past records in April here to list species.
Usually recorded in May here:
Pine Bracket Porodaedalea pini3 May records across all years
Purplepore Bracket Trichaptum abietinum2 May records across all years- Gloeoporus ambiguus2 May records across all years
Usually recorded in June here:
- Fungi Pallidohirschioporus biformis3 June records across all years
Oyster Mushroom Pleurotus ostreatus2 June records across all years
Turkeytail Trametes versicolor2 June records across all years
Usually recorded in July here:
Jellied False Coral Sebacina schweinitzii4 July records across all years
American Slippery Jack Suillus americanus2 July records across all years
Crinipellis setipes2 July records across all years- Hoof Fungus Fomes fomentarius2 July records across all years
Black Trumpet Craterellus cornucopioides2 July records across all years
Usually recorded in August here:
Brown Cubical Rot Of Birch Fomitopsis betulina2 August records across all years- American Slippery Jack Suillus americanus2 August records across all years
Dryad's Saddle Cerioporus squamosus2 August records across all years
Usually recorded in September here:
Yellow-Staining Milkcap Lactarius vinaceorufescens4 September records across all years
Coconut Milkcap Lactarius glyciosmus3 September records across all years
Fly Agaric Amanita muscaria3 September records across all years
Lepiota cortinarius2 September records across all years- Lactarius theiogalus2 September records across all years
- Lactarius glutigriseus2 September records across all years
Mild Milkcap Lactarius subdulcis2 September records across all years
Woolly Milkcap Lactarius torminosus2 September records across all years
False Saffron Milkcap Lactarius deterrimus2 September records across all years
Burnt-Sugar Milky Lactarius helvus2 September records across all years
Clay-Gilled Milkcap Lactarius argillaceifolius2 September records across all years
Red Hot Milk Cap Lactarius rufus2 September records across all years
Too few past records in October here to list species.
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 | 7 | |
| 2 | 6 | |
| 3 | 6 | |
| 4 | 6 | |
| 5 | 5 | |
| 6 | 5 | |
| 7 | 4 | |
| 8 | 4 | |
| 9 | 4 | |
| 10 | 4 | |
| 11 | 4 | |
| 12 | 3 | |
| 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: Sep, Jul, 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 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.
- 1Jul 18, 2026Black Trumpet Craterellus cornucopioidesnear Walker, MN · iNaturalist photo, research grade · original record
- 2Jul 18, 2026Jellied False Coral Sebacina schweinitziinear Walker, MN · iNaturalist photo, research grade · original record
- 3
Jul 18, 2026Onion Earthball Scleroderma cepanear Walker, MN · iNaturalist photo, research grade · original record - 4
Jun 8, 2026Scaly Sawgill Neolentinus lepideusnear Chickamaw Beach, MN · iNaturalist photo, research grade · original record - 5
Feb 14, 2026Aspen Bracket Phellinus tremulaenear Hackensack, MN · iNaturalist photo, research grade · original record - 6Feb 14, 2026Red Tree Brain Fungus Peniophora rufanear Hackensack, MN · iNaturalist photo, research grade · original record
- 7Feb 14, 2026Hoof Fungus Fomes fomentariusnear Whipholt, MN (location blurred by the observer) · iNaturalist photo, research grade · original record
- 8Feb 14, 2026Fungi Pallidohirschioporus biformisnear Hackensack, MN · iNaturalist photo, research grade · original record
- 9Feb 14, 2026Red Tree Brain Fungus Peniophora rufanear Hackensack, MN · iNaturalist photo, research grade · original record
- 10
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How we built this page
254 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 210 CC0 and 44 CC BY 4.0. See about the data for the full citation.