Mushrooms in Flathead County, Montana
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.
Too few past records in April here to list species.
Too few past records in May here to list species.
Usually recorded in June here:
Snowmelt Clitocybe Clitocybe glacialis9 June records across all years
Purplepore Bracket Trichaptum abietinum7 June records across all years
Orange Sponge Polypore Pycnoporellus alboluteus4 June records across all years
Asterodon ferruginosus4 June records across all years
Timber Mazegill Gloeophyllum trabeum4 June records across all years
Phellopilus nigrolimitatus3 June records across all years
Antrodia heteromorpha3 June records across all years
Lentinellus montanus3 June records across all years- Blue Wood-Clay Acanthophysellum lividocoeruleum3 June records across all years
Pine Bracket Porodaedalea pini3 June records across all years
Jelly Ear Auricularia auricula-judae2 June records across all years
Mossy Maze Polypore Cerrena unicolor2 June records across all years
Usually recorded in July here:
Common Collybia Gymnopus dryophilus5 July records across all years
Common Puffball Lycoperdon perlatum4 July records across all years
Northern Red Belt Fomitopsis mounceae4 July records across all years
Clustered Toughshank Collybiopsis confluens3 July records across all years
Phellinus viticola3 July records across all years- Acanthobasidium weirii3 July records across all years
Elastic Oysterling Panellus mitis3 July records across all years
Western Painted Suillus Suillus lakei3 July records across all years
Red Belted Conk Fomitopsis pinicola3 July records across all years- Blue Wood-Clay Acanthophysellum lividocoeruleum3 July records across all years
Common Yellow Russula Russula ochroleuca3 July records across all years- Mycena austinii3 July records across all years
Usually recorded in August here:
Blue-Staining Slippery Jack Suillus tomentosus3 August records across all years- Russula vinososordida3 August records across all years
- Purplepore Bracket Trichaptum abietinum2 August records across all years
Brown Stringy Trunk Rot Echinodontium tinctorium2 August records across all years
Junghuhnia collabens2 August records across all years
Green Porecrust Gloeoporus pannocinctus2 August records across all years- Resinoporia sitchensis2 August records across all years
Artist's Bracket Ganoderma applanatum2 August records across all years- Blue Wood-Clay Acanthophysellum lividocoeruleum2 August records across all years
- Phellopilus nigrolimitatus2 August records across all years
Phellinidium ferrugineofuscum2 August records across all years
Peniophora aurantiaca2 August records across all years
Usually recorded in September here:
White-Rot Fungus Trametes pubescens4 September records across all years- Orange Sponge Polypore Pycnoporellus alboluteus4 September records across all years
Hardwood Trunk Rot Phellinus igniarius4 September records across all years
Rosy Conk Rhodofomes cajanderi3 September records across all years- Skeletocutis subincarnata3 September records across all years
Pycnoporellus fulgens2 September records across all years
Rhodonia placenta2 September records across all years- Rhodofomes roseus2 September records across all years
Chicken Of The Woods Laetiporus sulphureus2 September records across all years
Milk-White Toothed Polypore Irpex lacteus2 September records across all years- Mycoacia livida2 September records across all years
- Corm Dry Rot Rigidoporus vinctus2 September records across all years
Usually recorded in October here:
Tangerine Bonnet Atheniella aurantiidisca3 October records since 2011
Yellowleg Bonnet Mycena epipterygia3 October records since 2011
Leucocybe candicans2 October records since 2011
Winter Polypore Lentinus brumalis2 October records since 2011
Ash Cap Myxomphalia maura2 October records since 2011
Orange Chrysomphalina Chrysomphalina aurantiaca2 October records since 2011
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 | 10 | |
| 2 | 10 | |
| 3 | 9 | |
| 4 | 8 | |
| 5 | 7 | |
| 6 | 7 | |
| 7 | 6 | |
| 8 | 6 | |
| 9 | 6 | |
| 10 | 6 | |
| 11 | 6 | |
| 12 | 5 | |
| 13 | 5 | |
| 14 | 5 | |
| 15 | Acanthobasidium weirii | 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: Jul, 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 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 7, 2026Northern Red Belt Fomitopsis mounceaein Glacier National Park, MT · iNaturalist photo, research grade · original record
- 2
Jun 18, 2026Spring King Boletus rex-verisin Glacier National Park, MT · iNaturalist photo, research grade · original record - 3May 30, 2026Brown Stringy Trunk Rot Echinodontium tinctoriumin Glacier National Park, MT · iNaturalist photo, research grade · original record
- 4Oct 22, 2025Orange Chrysomphalina Chrysomphalina aurantiacain Glacier National Park, MT · iNaturalist photo, research grade · original record
- 5Aug 11, 2025Northern Red Belt Fomitopsis mounceaein Glacier National Park, MT · iNaturalist photo, research grade · original record
- 6Jul 8, 2025Northern Red Belt Fomitopsis mounceaein Glacier National Park, MT · iNaturalist photo, research grade · original record
- 7
Oct 26, 2024Sculptured Puffball Calbovista subsculptanear Happys Inn, MT · iNaturalist photo, research grade · original record - 8Jul 25, 2024Northern Red Belt Fomitopsis mounceaein Glacier National Park, MT · iNaturalist photo, research grade · original record
- 9Jul 1, 2024Serried Porecrust Neoantrodia serialisin Glacier National Park, MT · iNaturalist photo, research grade · original record
- 10
Jul 1, 2024American Ear Fungus Auricularia americanain Glacier National Park, MT · iNaturalist photo, research grade · original record
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How we built this page
550 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 472 CC0 and 78 CC BY 4.0. See about the data for the full citation.