Mushrooms in Dickinson County, Iowa
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.
Too few past records in May here to list species.
Usually recorded in June here:
- Hymenochaete curtisii3 June records across all years
- Bourdotiella crustula2 June records across all years
Laddered Webcrust Hyphoderma setigerum2 June records across all years
Puffball Parasol Chlorophyllum agaricoides2 June records across all years
Black Witch's Butter Exidia glandulosa2 June records across all years
Usually recorded in July here:
- Hymenochaete curtisii8 July records across all years
- Hyphoderma tenue7 July records across all years
Tulostoma fimbriatum5 July records across all years- Puffball Parasol Chlorophyllum agaricoides4 July records across all years
Ochre Spreading Tooth Steccherinum ochraceum3 July records across all years- Hyphodontia spathulata2 July records across all years
- Acanthophysium oakesii2 July records across all years
Phanerochaete sordida2 July records across all years
Lopharia cinerascens2 July records across all years- Thelephora intybacea2 July records across all years
- Laddered Webcrust Hyphoderma setigerum2 July records across all years
Usually recorded in August here:
- Hyphoderma tenue12 August records across all years
- Puffball Parasol Chlorophyllum agaricoides5 August records across all years
- Dendrothele griseocana5 August records across all years
Fluted Bird's Nest Cyathus striatus4 August records across all years
Common Bird's Nest Crucibulum laeve4 August records across all years- Lopharia cinerascens3 August records across all years
Dung Bird's Nest Cyathus stercoreus3 August records across all years
Peniophora cinerea2 August records across all years
Nidularia pulvinata2 August records across all years- Dendrothele americana2 August records across all years
- Sebacina atra2 August records across all years
- Myxarium fugacissimum2 August records across all years
Too few past records in September here to list species.
Too few past records in October here to list species.
Too few past records in November here to list species.
Too few past records in December here to list species.
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 19 | |
| 2 | 11 | |
| 3 | 11 | |
| 4 | 6 | |
| 5 | 6 | |
| 6 | 5 | |
| 7 | Dendrothele griseocana | 5 |
| 8 | 5 | |
| 9 | 4 | |
| 10 | 4 | |
| 11 | 3 | |
| 12 | 3 | |
| 13 | 2 | |
| 14 | 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: Aug, Jul, Jun.
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 9 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
Jul 4, 2026Leathery-Veiled Bolete Paragyrodon sphaerosporusnear Arnolds Park, IA · iNaturalist photo, research grade · original record - 2Oct 8, 2023Pholiota populneain Gull Point State Park, IA · iNaturalist photo, research grade · original record
- 3
Oct 8, 2023Chicken Of The Woods Laetiporus sulphureusnear Arnolds Park, IA · iNaturalist photo, research grade · original record - 4
Oct 3, 2023Elm Leech Hypsizygus ulmariusin Silver Lake Fen State Preserve, IA · iNaturalist photo, research grade · original record - 5
Oct 3, 2023Giant Puffball Calvatia giganteain Kettleson-Hogsback Complex, IA · iNaturalist photo, research grade · original record - 6
Oct 3, 2023Dryad's Saddle Cerioporus squamosusin Silver Lake Fen State Preserve, IA · iNaturalist photo, research grade · original record - 7
Oct 10, 2021Turkeytail Trametes versicolorin Iowa Lakeside Lab, IA · iNaturalist photo, research grade · original record - 8
Jun 22, 2018Conifer Mazegill Gloeophyllum sepiariumin Iowa Lakeside Lab, IA · iNaturalist photo, research grade · original record - 9
Jun 20, 2018Pleated Inkcap Parasola plicatilisin Iowa Lakeside Lab, IA · iNaturalist photo, research grade · original record
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How we built this page
353 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 337 CC0 and 16 CC BY 4.0. See about the data for the full citation.