Mushrooms in Rock Island County, Illinois
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:
Brown Patch Disease Rhizoctonia solani2 May records across all years
False Turkey-Tail Stereum ostrea2 May records across all years
Usually recorded in June here:
- Vitreoporus dichrous3 June records across all years
Common Collybia Gymnopus dryophilus3 June records across all years
Fungi Boletus miniato-olivaceus3 June records across all years
Common Porecrust, Split Gill Fungus Schizophyllum commune3 June records across all years
Grisette Amanita vaginata3 June records across all years
Deceiver Laccaria laccata3 June records across all years
Mutatoderma heterocystidium2 June records across all years
Oyster Mushroom Pleurotus ostreatus2 June records across all years
Hated Caesar Amanita spreta2 June records across all years
Golden Brittlegill Russula risigallina2 June records across all years
Collared Parachute Marasmius rotula2 June records across all years- Phanerochaete chrysorhizon2 June records across all years
Usually recorded in July here:
Old Man Of The Woods Strobilomyces strobilaceus4 July records across all years
Northern Cinnabar Polypore Trametes cinnabarina2 July records across all years
Stereum versicolor2 July records across all years- Funalia hispida2 July records across all years
Usually recorded in August here:
Late Fall Polypore Ischnoderma resinosum2 August records across all years
Turkeytail Trametes versicolor2 August records across all years
Usually recorded in September here:
Crowded Cuplet Merismodes fasciculata2 September records across all years
Usually recorded in October here:
Lawyer's Wig Coprinus comatus2 October records since 2011
Too few past records in November here to list species.
Usually recorded in December here:
- Turkeytail Trametes versicolor2 December records since 2011
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 4 | |
| 2 | 4 | |
| 3 | 4 | |
| 4 | 3 | |
| 5 | 3 | |
| 6 | 3 | |
| 7 | 3 | |
| 8 | 3 | |
| 9 | 3 | |
| 10 | 3 | |
| 11 | 3 | |
| 12 | 3 | |
| 13 | 3 | |
| 14 | 3 | |
| 15 | 3 |
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: Jun, Jul, Aug.
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 7, 2025Golden Oyster Mushroom Pleurotus citrinopileatusnear Milan, IL · iNaturalist photo, research grade · original record - 2
Mar 9, 2025Velvet Shank Flammulina velutipesnear Moline, IL · iNaturalist photo, research grade · original record - 3Dec 29, 2024Turkeytail Trametes versicolorin Mouson Park, IL · iNaturalist photo, research grade · original record
- 4May 12, 2024False Turkey-Tail Stereum ostreanear Rock Island, IL · iNaturalist photo, research grade · original record
- 5Dec 7, 2023Turkeytail Trametes versicolornear Rock Island, IL · iNaturalist photo, research grade · original record
- 6
Sep 14, 2023Dryad's Saddle Cerioporus squamosusnear Rapids City, IL · iNaturalist photo, research grade · original record - 7Oct 16, 2021Lawyer's Wig Coprinus comatusnear Rock Island, IL (location blurred by the observer) · iNaturalist photo, research grade · original record
- 8Oct 16, 2021Lawyer's Wig Coprinus comatusnear Rock Island, IL (location blurred by the observer) · iNaturalist photo, research grade · original record
- 9Jul 10, 2021Golden Oyster Mushroom Pleurotus citrinopileatusnear Hampton, IL · iNaturalist photo, research grade · original record
- 10
Oct 27, 2019Ganoderma resinaceumnear Moline, IL · iNaturalist photo, research grade · original record
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How we built this page
178 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 160 CC0 and 18 CC BY 4.0. See about the data for the full citation.