Mushrooms in Columbia 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.
Usually recorded in March here:
Turkeytail Trametes versicolor2 March records since 2011
Too few past records in April here to list species.
Too few past records in May here to list species.
Too few past records in June here to list species.
Too few past records in July here to list species.
Too few past records in August here to list species.
Usually recorded in September here:
Brown Cubical Rot Laetiporus conifericola2 September records since 2011
Usually recorded in October here:
- Hortiboletus coccyginus7 October records since 2011
White Fibrecap Inocybe geophylla5 October records since 2011
Bicoloured Deceiver Laccaria bicolor5 October records since 2011
Poplar Knight Tricholoma populinum4 October records since 2011
Blushing Milkcap Lactarius controversus4 October records since 2011
Russula pectinatoides3 October records since 2011- Russula violacea3 October records since 2011
West Coast Reishi Ganoderma oregonense2 October records since 2011- Russula persicina2 October records since 2011
Scurfy Twiglet Tubaria furfuracea2 October records since 2011- Cortinarius saniosus2 October records since 2011
- Amanita regalis2 October records since 2011
Usually recorded in November here:
Common Bird's Nest Crucibulum laeve3 November records since 2011
Cat's Tongue Pseudohydnum gelatinosum2 November records since 2011
Too few past records in December here to list species.
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | Hortiboletus coccyginus | 7 |
| 2 | 5 | |
| 3 | 5 | |
| 4 | 4 | |
| 5 | 4 | |
| 6 | 3 | |
| 7 | Russula violacea | 3 |
| 8 | 3 | |
| 9 | 3 | |
| 10 | 3 | |
| 11 | 2 | |
| 12 | 2 | |
| 13 | 2 | |
| 14 | Russula persicina | 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: Oct, Nov, Apr.
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 6 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
Jan 21, 2026Woolly Bird's Nest Fungus Nidula niveotomentosanear Deer Island, OR (location blurred by the observer) · iNaturalist photo, research grade · original record - 2
Dec 31, 2025Hair Ice Crust Exidiopsis effusanear Vernonia, OR · iNaturalist photo, research grade · original record - 3Nov 11, 2025Common Bird's Nest Crucibulum laevenear Rainier, OR (location blurred by the observer) · iNaturalist photo, research grade · original record
- 4Nov 11, 2025Common Bird's Nest Crucibulum laevenear Deer Island, OR (location blurred by the observer) · iNaturalist photo, research grade · original record
- 5Nov 11, 2025Common Bird's Nest Crucibulum laevenear Warren, OR (location blurred by the observer) · iNaturalist photo, research grade · original record
- 6
Aug 11, 2025Jellied Bird's Nest Fungus Nidula candidain Columbia County, OR · iNaturalist photo, research grade · original record
Bring along
As an Amazon Associate we earn from qualifying purchases.
How we built this page
158 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 129 CC0 and 29 CC BY 4.0. See about the data for the full citation.