Mushrooms in Grant County, Washington
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:
Melanoleuca graminicola10 March records across all years
Field Mushroom Agaricus campestris6 March records across all years- Conocybe brunneola6 March records across all years
Petticoat Mottlegill Panaeolus papilionaceus2 March records across all years
Common Fieldcap Agrocybe pediades2 March records across all years
Oyster Mushroom Pleurotus ostreatus2 March records across all years
Usually recorded in April here:
Veiled Poisonpie Hebeloma mesophaeum17 April records across all years- Common Fieldcap Agrocybe pediades8 April records across all years
- Conocybe brunneola6 April records across all years
Bald Cavalier Melanoleuca melaleuca4 April records across all years
Goldleaf Shield Pluteus romellii3 April records across all years- Field Mushroom Agaricus campestris3 April records across all years
- Petticoat Mottlegill Panaeolus papilionaceus3 April records across all years
- Melanoleuca graminicola2 April records across all years
- Mallocybe agardhii2 April records across all years
Common Conecap Conocybe tenera2 April records across all years
Usually recorded in May here:
- Bald Cavalier Melanoleuca melaleuca6 May records across all years
- Common Fieldcap Agrocybe pediades5 May records across all years
- Conocybe brunneola4 May records across all years
- Petticoat Mottlegill Panaeolus papilionaceus2 May records across all years
Big Sheath Mushroom Volvopluteus gloiocephalus2 May records across all years- Goldleaf Shield Pluteus romellii2 May records across all years
Desert Inkcap Montagnea arenaria2 May records across all years- Mallocybe agardhii2 May records across all years
Usually recorded in June here:
- Veiled Poisonpie Hebeloma mesophaeum2 June records across all years
- Mallocybe agardhii2 June records across all years
- Conocybe brunneola2 June records across all years
- Common Fieldcap Agrocybe pediades2 June records across all years
Too few past records in July here to list species.
Usually recorded in August here:
- Itajahya rosea2 August records across all years
- Desert Inkcap Montagnea arenaria2 August records across all years
Too few past records in September here to list species.
Usually recorded in October here:
- Veiled Poisonpie Hebeloma mesophaeum14 October records across all years
- Field Mushroom Agaricus campestris8 October records across all years
Scurfy Twiglet Tubaria furfuracea7 October records across all years- Common Fieldcap Agrocybe pediades4 October records across all years
- Oyster Mushroom Pleurotus ostreatus3 October records across all years
- Mallocybe agardhii3 October records across all years
- Petticoat Mottlegill Panaeolus papilionaceus2 October records across all years
Lepista tarda2 October records across all years- Melanoleuca graminicola2 October records across all years
- Clitocybe praemagna2 October records across all years
Star Dapperling Lepiota helveola2 October records across all years- Bald Cavalier Melanoleuca melaleuca2 October records across all years
Usually recorded in November here:
- Scurfy Twiglet Tubaria furfuracea12 November records across all years
Nitrous Bonnet Mycena leptocephala7 November records across all years
Deadly Galerina Galerina marginata5 November records across all years- Melanoleuca graminicola4 November records across all years
Yellow-Edged Bonnet Mycena citrinomarginata3 November records across all years- Veiled Poisonpie Hebeloma mesophaeum3 November records across all years
- Lepista tarda3 November records across all years
Ivory Bonnet Atheniella flavoalba2 November records across all years
Velvet Shank Flammulina velutipes2 November records across all years- Mycena pullata2 November records across all years
Pholiota limonella2 November records across all years- Conocybe aberrans2 November records across all years
Too few past records in December here to list species.
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 43 | |
| 2 | Conocybe brunneola | 24 |
| 3 | 24 | |
| 4 | 24 | |
| 5 | 22 | |
| 6 | 20 | |
| 7 | 14 | |
| 8 | 12 | |
| 9 | Mallocybe agardhii | 11 |
| 10 | 10 | |
| 11 | 8 | |
| 12 | Mycena speirea | 8 |
| 13 | 6 | |
| 14 | 5 | |
| 15 | 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: Nov, Oct, 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 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 23, 2013Chlamydopus meyenianusnear Vantage, WA · museum/herbarium specimen (WTU) · original record - 2May 26, 2000Desert Inkcap Montagnea arenarianear Vantage, WA (location blurred by the observer) · museum/herbarium specimen (WTU) · original record
- 3
Aug 26, 1994Sandy Stilt Puffball Battarrea phalloidesnear Vantage, WA (location blurred by the observer) · museum/herbarium specimen (WTU) · original record - 4Aug 23, 1993Chlamydopus meyenianusin or near Potholes State Park, WA · museum/herbarium specimen (WTU) · original record
- 5Aug 23, 1993Itajahya roseain or near Pot Holes State Park, WA (location blurred by the observer) · museum/herbarium specimen (WTU) · original record
- 6Aug 23, 1993Desert Inkcap Montagnea arenarianear Vantage, WA (location blurred by the observer) · museum/herbarium specimen (WTU) · original record
- 7Aug 23, 1993Desert Inkcap Montagnea arenariain or near Pothole Conservation Area, WA (location blurred by the observer) · museum/herbarium specimen (WTU) · original record
- 8Aug 23, 1993Itajahya roseain or near Potholes State Park, WA (location blurred by the observer) · museum/herbarium specimen (WTU) · original record
- 9Aug 23, 1993Gyrophragmium delileinear Marine View, WA (location blurred by the observer) · museum/herbarium specimen (WTU) · original record
- 10Jul 12, 1993Itajahya roseain or near Pot Holes State Park, WA (location blurred by the observer) · museum/herbarium specimen (WTU) · original record
Bring along
As an Amazon Associate we earn from qualifying purchases.
How we built this page
526 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 526 CC0 and 0 CC BY 4.0. See about the data for the full citation.