Mushrooms in Cook 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.
Too few past records in February here to list species.
Too few past records in March here to list species.
Usually recorded in April here:
Red Tree Brain Fungus Peniophora rufa3 April records since 2011
Usually recorded in May here:
Hardwood Trunk Rot Phellinus igniarius3 May records across all years
Northern Red Belt Fomitopsis mounceae3 May records across all years
Brown Cubical Rot Of Birch Fomitopsis betulina2 May records across all years
Usually recorded in June here:
Hoof Fungus Fomes fomentarius2 June records across all years
Usually recorded in July here:
- Hoof Fungus Fomes fomentarius3 July records since 2011
Fly Agaric Amanita muscaria3 July records since 2011
Usually recorded in August here:
- Fly Agaric Amanita muscaria4 August records across all years
- Postia balsamea3 August records across all years
Long-Stemmed Laccaria Laccaria longipes2 August records across all years
American Slippery Jack Suillus americanus2 August records across all years
Pine Bracket Porodaedalea pini2 August records across all years
Pear-Shaped Puffball Apioperdon pyriforme2 August records across all years- Northern Red Belt Fomitopsis mounceae2 August records across all years
Rosy Conk Rhodofomes cajanderi2 August records across all years
Usually recorded in September here:
- Fly Agaric Amanita muscaria6 September records since 2011
- Pear-Shaped Puffball Apioperdon pyriforme3 September records since 2011
Cinnamon Bracket Hapalopilus rutilans2 September records since 2011
Late Fall Polypore Ischnoderma resinosum2 September records since 2011
Usually recorded in October here:
Willow Glue Hydnoporia tabacina3 October records across all years
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 | 14 | |
| 2 | 9 | |
| 3 | 8 | |
| 4 | 7 | |
| 5 | 5 | |
| 6 | 5 | |
| 7 | 4 | |
| 8 | 4 | |
| 9 | 3 | |
| 10 | 3 | |
| 11 | 3 | |
| 12 | 3 | |
| 13 | 3 | |
| 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: Aug, Sep, Jul.
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
Jul 3, 2026Smoky Bracket Bjerkandera adustain Cook County, MN · iNaturalist photo, research grade · original record - 2
Oct 11, 2025Arched Woodwax Hygrophorus camarophyllusin Cascade River State Park, MN · iNaturalist photo, research grade · original record - 3Sep 25, 2025Fly Agaric Amanita muscariain Cook County, MN · iNaturalist photo, research grade · original record
- 4Sep 24, 2025Fly Agaric Amanita muscariain Cook County, MN · iNaturalist photo, research grade · original record
- 5Sep 24, 2025Fly Agaric Amanita muscariain Cook County, MN · iNaturalist photo, research grade · original record
- 6
Sep 21, 2025Purple Spindles Alloclavaria purpureain Cook County, MN · iNaturalist photo, research grade · original record - 7Sep 3, 2025Pear-Shaped Puffball Apioperdon pyriformein Cook County, MN (location blurred by the observer) · iNaturalist photo, research grade · original record
- 8
Aug 17, 2025Pick-A-Back Toadstool Asterophora lycoperdoidesin Cook County, MN (location blurred by the observer) · iNaturalist photo, research grade · original record - 9
Aug 8, 2025Funnel Chanterelle Craterellus tubaeformisin Cook County, MN · iNaturalist photo, research grade · original record
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How we built this page
161 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 90 CC0 and 71 CC BY 4.0. See about the data for the full citation.