Mushrooms in Jefferson County, Oregon
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.
Usually recorded in May here:
- Tricholoma vernaticum3 May records across all years
- Hygrophorus caeruleus2 May records across all years
Ramaria rasilispora2 May records across all years
Infundibulicybe squamulosa2 May records across all years
Cryptic Globe Fungus Cryptoporus volvatus2 May records across all years
Too few past records in June here to list species.
Too few past records in July here to list species.
Usually recorded in August here:
Cortinarius pinguis3 August records across all years
Yellow Beard Truffle Rhizopogon ochraceorubens3 August records across all years
Usually recorded in September here:
- Cortinarius pinguis6 September records across all years
- Rhizopogon subpurpurascens4 September records across all years
- Yellow Beard Truffle Rhizopogon ochraceorubens3 September records across all years
- Leucogaster magnatus2 September records across all years
- Rhizopogon smithii2 September records across all years
Scaly Chanterelle Turbinellus floccosus2 September records across all years
Cep Boletus edulis2 September records across all years
Usually recorded in October here:
Shield Dapperling Lepiota clypeolaria2 October records across all years
Usually recorded in November here:
Pocket-Stalked Russula Russula cerolens2 November records across all years
Too few past records in December here to list species.
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 9 | |
| 2 | 6 | |
| 3 | Rhizopogon subpurpurascens | 4 |
| 4 | Tricholoma vernaticum | 3 |
| 5 | 3 | |
| 6 | 3 | |
| 7 | Leucogaster magnatus | 2 |
| 8 | 2 | |
| 9 | Thaxterogaster magellanicus | 2 |
| 10 | 2 | |
| 11 | 2 | |
| 12 | Rhizopogon smithii | 2 |
| 13 | Rhizopogon subsalmonius | 2 |
| 14 | Hygrophorus caeruleus | 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: Sep, Oct, May.
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.
- 1Sep 7, 2025Cep Boletus edulisnear Camp Sherman, OR (location blurred by the observer) · iNaturalist photo, research grade · original record
- 2
Sep 7, 2025Rainbow Chanterelle Cantharellus roseocanusnear Camp Sherman, OR (location blurred by the observer) · iNaturalist photo, research grade · original record - 3
Jun 13, 2025Giant Lentinus Neolentinus ponderosusin Jefferson County, OR (location blurred by the observer) · iNaturalist photo, research grade · original record - 4Jul 18, 2024Giant Lentinus Neolentinus ponderosusin Deschutes National Forest, OR · iNaturalist photo, research grade · original record
- 5
Jul 17, 2024Hygrophorus goetzeiin Deschutes National Forest, OR · iNaturalist photo, research grade · original record - 6May 6, 2023Tricholoma vernaticumin Deschutes National Forest, OR · iNaturalist photo, research grade · original record
- 7May 6, 2023Infundibulicybe squamulosain Deschutes National Forest, OR · iNaturalist photo, research grade · original record
- 8May 6, 2023Fomitopsis officinalisnear Camp Sherman, OR (location blurred by the observer) · iNaturalist photo, research grade · original record
- 9May 6, 2023Tricholoma vernaticumin Deschutes National Forest, OR · iNaturalist photo, research grade · original record
- 10
Apr 16, 2023Snowmelt Clitocybe Clitocybe glacialisin Deschutes National Forest, OR · iNaturalist photo, research grade · original record
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How we built this page
109 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 79 CC0 and 30 CC BY 4.0. See about the data for the full citation.