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Mushrooms in Whatcom County, Washington
Updated October 2026 · from open GBIF records
2,075mushroom records
638species recorded
Octbusiest month
2,075 records since 1910 (1,232 in the last 10 years)
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.
Usually recorded in January here:
Northern Red Belt Fomitopsis mounceae4 January records since 2011
Turkeytail Trametes versicolor4 January records since 2011
Fragrant Clitocybe Clitocybe fragrans3 January records since 2011
Panellus longinquus3 January records since 2011- Mycena robusta3 January records since 2011
Late Fall Oyster Mushroom Sarcomyxa serotina3 January records since 2011- Flammulina rossica2 January records since 2011
Scurfy Twiglet Tubaria furfuracea2 January records since 2011
Marasmiellus candidus2 January records since 2011
Golden Waxy Cap Hygrocybe flavescens2 January records since 2011
Pacific Golden Chanterelle Cantharellus formosus2 January records since 2011
Sulphur Tuft Hypholoma fasciculare2 January records since 2011
Usually recorded in February here:
Hair Ice Crust Exidiopsis effusa4 February records since 2011- Mycena robusta3 February records since 2011
Spreading Phlebia Phlebia radiata2 February records since 2011- Turkeytail Trametes versicolor2 February records since 2011
- Northern Red Belt Fomitopsis mounceae2 February records since 2011
Usually recorded in March here:
- Turkeytail Trametes versicolor3 March records since 2011
- Pholiota lurida2 March records since 2011
- Hemimycena tortuosa2 March records since 2011
Spotted Collybia Rhodocollybia maculata2 March records since 2011- Xeromphalina fulvipes2 March records since 2011
Usually recorded in April here:
- Northern Red Belt Fomitopsis mounceae7 April records since 2011
Lichenomphalia ericetorum5 April records since 2011
Glistening Ink-Cap Coprinellus micaceus4 April records since 2011
Winter Polypore Lentinus brumalis2 April records since 2011
Spring Fieldcap Agrocybe praecox2 April records since 2011- Pluteus primus2 April records since 2011
Woolly Bird's Nest Fungus Nidula niveotomentosa2 April records since 2011
Little Cone Bell Entoloma holoconiotum2 April records since 2011- Sulphur Tuft Hypholoma fasciculare2 April records since 2011
Cryptic Globe Fungus Cryptoporus volvatus2 April records since 2011- Turkeytail Trametes versicolor2 April records since 2011
Pale Oyster Pleurotus pulmonarius2 April records since 2011
Usually recorded in May here:
- Northern Red Belt Fomitopsis mounceae12 May records since 2011
- Pale Oyster Pleurotus pulmonarius8 May records since 2011
- Glistening Ink-Cap Coprinellus micaceus6 May records since 2011
Bleeding Fairy Helmet Mycena haematopus6 May records since 2011- Turkeytail Trametes versicolor4 May records since 2011
Sunshine Amanita Amanita aprica3 May records since 2011
Deep Purple Bolete Xerocomellus atropurpureus3 May records since 2011
Western American False Panther Amanita pantherinoides3 May records since 2011
Jellied Bird's Nest Fungus Nidula candida3 May records since 2011
Questionable Stropharia Stropharia ambigua2 May records since 2011- Sulphur Tuft Hypholoma fasciculare2 May records since 2011
Bay Polypore Picipes badius2 May records since 2011
Usually recorded in June here:
Wood Woolly-Foot Collybiopsis peronata5 June records since 2011
Prince Agaricus augustus3 June records since 2011
Alcohol Inky Cap Coprinopsis atramentaria3 June records since 2011
Pale Brittlestem Candolleomyces candolleanus2 June records since 2011
Velvet Shank Flammulina velutipes2 June records since 2011- Phlegmacium subolivascens2 June records since 2011
- Pholiota vernalis2 June records since 2011
- Northern Red Belt Fomitopsis mounceae2 June records since 2011
Usually recorded in July here:
- Northern Red Belt Fomitopsis mounceae6 July records since 2011
- Prince Agaricus augustus4 July records since 2011
Cracked-Cap Bolete Xerocomellus diffractus4 July records since 2011- Pale Brittlestem Candolleomyces candolleanus3 July records since 2011
Blushing Bolete Leccinum scabrum3 July records since 2011
Velvet Rollrim Tapinella atrotomentosa3 July records since 2011
Majestic Amanita Amanita augusta3 July records since 2011- Cryptic Globe Fungus Cryptoporus volvatus2 July records since 2011
Ochre-Banded Conk Fomitopsis ochracea2 July records since 2011
Common Puffball Lycoperdon perlatum2 July records since 2011
Usually recorded in August here:
Brown Cubical Rot Laetiporus conifericola6 August records since 2011- Velvet Rollrim Tapinella atrotomentosa5 August records since 2011
Cep Boletus edulis4 August records since 2011- Northern Red Belt Fomitopsis mounceae4 August records since 2011
Common Collybia Gymnopus dryophilus3 August records since 2011
Deer Mushroom Pluteus cervinus3 August records since 2011- Wood Woolly-Foot Collybiopsis peronata3 August records since 2011
Pear-Shaped Puffball Apioperdon pyriforme2 August records since 2011- Cortinarius rufosanguineus2 August records since 2011
- Prince Agaricus augustus2 August records since 2011
Woolly Pine Spike Chroogomphus tomentosus2 August records since 2011
Dark Bitter Bolete Caloboletus conifericola2 August records since 2011
Usually recorded in September here:
Fly Agaric Amanita muscaria13 September records since 2011
Sessile Earthstar Geastrum saccatum5 September records since 2011
Jelly Rot Phlebia tremellosa5 September records since 2011
Cortinarius lucorum4 September records since 2011
Fir-Cone Mushroom Strobilurus trullisatus4 September records since 2011
Short-Stemmed Russula Russula brevipes4 September records since 2011- Velvet Rollrim Tapinella atrotomentosa4 September records since 2011
Golden Pholiota Pholiota aurivella4 September records since 2011- Pacific Golden Chanterelle Cantharellus formosus4 September records since 2011
- Chromosera citrinopallida3 September records since 2011
Blackening Slime Spike Gomphidius oregonensis3 September records since 2011- Northern Red Belt Fomitopsis mounceae3 September records since 2011
Usually recorded in October here:
Lawyer's Wig Coprinus comatus8 October records since 2011- Fly Agaric Amanita muscaria8 October records since 2011
- Cep Boletus edulis8 October records since 2011
- Questionable Stropharia Stropharia ambigua8 October records since 2011
- Sulphur Tuft Hypholoma fasciculare7 October records since 2011
- Fir-Cone Mushroom Strobilurus trullisatus6 October records since 2011
- Bleeding Fairy Helmet Mycena haematopus6 October records since 2011
Gerronema atrialbum6 October records since 2011- Spreading Phlebia Phlebia radiata5 October records since 2011
Cat's Tongue Pseudohydnum gelatinosum5 October records since 2011
Leucocoprinus leucothites5 October records since 2011
California Flat-Top Agaricus Agaricus deardorffensis5 October records since 2011
Usually recorded in November here:
- Late Fall Oyster Mushroom Sarcomyxa serotina15 November records since 2011
- Jelly Rot Phlebia tremellosa6 November records since 2011
Western Deer Mushroom Pluteus exilis6 November records since 2011- Spreading Phlebia Phlebia radiata5 November records since 2011
- Turkeytail Trametes versicolor5 November records since 2011
- Northern Red Belt Fomitopsis mounceae5 November records since 2011
Mycena metata4 November records since 2011
Western Witch's Hat Hygrocybe singeri4 November records since 2011
Beige Fibrecap Inocybe sindonia3 November records since 2011- Golden Waxy Cap Hygrocybe flavescens3 November records since 2011
- Short-Stemmed Russula Russula brevipes3 November records since 2011
- Cat's Tongue Pseudohydnum gelatinosum3 November records since 2011
Usually recorded in December here:
- Late Fall Oyster Mushroom Sarcomyxa serotina12 December records since 2011
Parrot Mushroom Gliophorus psittacinus6 December records since 2011- Pacific Golden Chanterelle Cantharellus formosus5 December records since 2011
- Marasmiellus candidus4 December records since 2011
Snow-White Crust Plicatura nivea3 December records since 2011- Northern Red Belt Fomitopsis mounceae3 December records since 2011
- Turkeytail Trametes versicolor3 December records since 2011
- Questionable Stropharia Stropharia ambigua3 December records since 2011
- Jelly Rot Phlebia tremellosa3 December records since 2011
- Panellus longinquus3 December records since 2011
- Cat's Tongue Pseudohydnum gelatinosum3 December records since 2011
Western Matsutake Tricholoma murrillianum2 December records since 2011
⚠ Never eat a wild mushroom based on this site. We show where fungi have been recorded, nothing more. We never say any mushroom is edible or safe, and you shouldn't decide that from any website, app or photo. Many deadly mushrooms look like harmless ones. If someone may have eaten a wild mushroom, call Poison Control at 1-800-222-1222 right away.
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 52 | |
| 2 | 35 | |
| 3 | 27 | |
| 4 | 27 | |
| 5 | 22 | |
| 6 | 20 | |
| 7 | 19 | |
| 8 | 18 | |
| 9 | 18 | |
| 10 | 18 | |
| 11 | 17 | |
| 12 | 17 | |
| 13 | 16 | |
| 14 | 15 | |
| 15 | 15 |
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, Sep, Nov.
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.
- 1Oct 4, 2026Bleeding Fairy Helmet Mycena haematopusnear Sudden Valley, WA · iNaturalist photo, research grade · original record
- 2
Oct 4, 2026Fluted Bird's Nest Cyathus striatusnear Sudden Valley, WA · iNaturalist photo, research grade · original record - 3Oct 4, 2026Cat's Tongue Pseudohydnum gelatinosumin Lake Louise Natural Resources Conservation Area, WA · iNaturalist photo, research grade · original record
- 4Oct 4, 2026Jelly Rot Phlebia tremellosanear Sudden Valley, WA · iNaturalist photo, research grade · original record
- 5
Sep 26, 2026Bear's Head Hericium abietisin Mt. Baker National Forest, WA · iNaturalist photo, research grade · original record - 6Sep 26, 2026Sulphur Tuft Hypholoma fascicularein Mt. Baker National Forest, WA · iNaturalist photo, research grade · original record
- 7
Sep 26, 2026Scaly Chanterelle Turbinellus floccosusin Mt. Baker National Forest, WA · iNaturalist photo, research grade · original record - 8Sep 26, 2026Short-Stemmed Russula Russula brevipesnear Sudden Valley, WA · iNaturalist photo, research grade · original record
- 9
Sep 26, 2026False Chanterelle Hygrophoropsis aurantiacanear Sudden Valley, WA · iNaturalist photo, research grade · original record - 10Sep 26, 2026False Chanterelle Hygrophoropsis aurantiacain Mt. Baker National Forest, WA · iNaturalist photo, research grade · original record
Many sightings are on private land. Always get the landowner's permission, and follow the rules of parks and forests, which often limit or ban collecting.
Bring along
🍄
Regional mushroom field guideSee on Amazon🍄
Folding mushroom knife with brushSee on Amazon🍄
Wicker foraging basketSee on Amazon🍄
10x hand lens / loupeSee on Amazon🍄
Spore print paperSee on AmazonAs an Amazon Associate we earn from qualifying purchases.
How we built this page
2,075 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 977 CC0 and 1,098 CC BY 4.0. See about the data for the full citation.