Mushrooms in Gallatin 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.
Usually recorded in April here:
- Typhula ishikariensis2 April records across all years
Usually recorded in May here:
- Typhula ishikariensis2 May records across all years
Usually recorded in June here:
Cryptic Globe Fungus Cryptoporus volvatus2 June records since 2011
Usually recorded in July here:
- Tubulicrinis subulatus3 July records since 2011
- Leptosporomyces galzinii3 July records since 2011
- Athelia bombacina3 July records since 2011
Earth-Fan Thelephora terrestris2 July records since 2011
Usually recorded in August here:
Anise Mazegill Gloeophyllum odoratum2 August records across all years
Usually recorded in September here:
- Phellinopsis overholtsii4 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 | 8 | |
| 2 | 4 | |
| 3 | Typhula ishikariensis | 4 |
| 4 | 3 | |
| 5 | Leptosporomyces galzinii | 3 |
| 6 | Athelia bombacina | 3 |
| 7 | 3 | |
| 8 | 3 | |
| 9 | 2 | |
| 10 | Polyozellus atrofuscus | 1 |
| 11 | 1 | |
| 12 | Hyphoderma roseocremeum | 1 |
| 13 | 1 | |
| 14 | 1 | |
| 15 | 1 |
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, Aug, Sep.
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
May 30, 2025Orange Sponge Polypore Pycnoporellus alboluteusin Gallatin National Forest, MT · iNaturalist photo, research grade · original record - 2
Jun 6, 2023Fairy Ring Champignon Marasmius oreadesnear Bozeman, MT · iNaturalist photo, research grade · original record - 3
Oct 7, 2022Leucocoprinus leucothitesin Jarrett Park, MT · iNaturalist photo, research grade · original record - 4
- 5
- 6
- 72022Tomentosus Root Rot Onnia tomentosain Gallatin County, MT · museum/herbarium specimen · original record
- 8
- 92022Tomentosus Root Rot Onnia tomentosain Gallatin County, MT · museum/herbarium specimen · original record
- 10
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How we built this page
124 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 57 CC0 and 67 CC BY 4.0. See about the data for the full citation.