Mushrooms in Ulster County, New York
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:
Fly Agaric Amanita muscaria3 March records across all years
Turkeytail Trametes versicolor2 March records across all years
Usually recorded in April here:
- Fly Agaric Amanita muscaria3 April records across all years
Dendrothele nivosa2 April records across all years
Usually recorded in May here:
Dryad's Saddle Cerioporus squamosus6 May records since 2011
Golden Oyster Mushroom Pleurotus citrinopileatus5 May records since 2011
Usually recorded in June here:
Hemlock Varnish Shelf Ganoderma tsugae9 June records across all years- Dryad's Saddle Cerioporus squamosus4 June records across all years
Elegant Polypore Cerioporus varius2 June records across all years- Golden Oyster Mushroom Pleurotus citrinopileatus2 June records across all years
Eastern American Platterful Mushroom Megacollybia rodmanii2 June records across all years
Usually recorded in July here:
- Hemlock Varnish Shelf Ganoderma tsugae4 July records across all years
- Golden Oyster Mushroom Pleurotus citrinopileatus4 July records across all years
Devil's Dipstick Mutinus elegans3 July records across all years
Caesar Amanita caesarea3 July records across all years
Chicken Of The Woods Laetiporus sulphureus3 July records across all years
Death Cap Amanita phalloides2 July records across all years
Sickener Russula emetica2 July records across all years
Greasy Green Brittlegill Russula heterophylla2 July records across all years
The Granulated Bolete Suillus granulatus2 July records across all years
Painted Suillus Suillus spraguei2 July records across all years
Jack O Lantern Omphalotus illudens2 July records across all years
Pycnoporellus fulgens2 July records across all years
Usually recorded in August here:
Asian Beauty Radulomyces copelandii3 August records since 2011
Russula rubescens2 August records since 2011- Sickener Russula emetica2 August records since 2011
Purple-And-White Deceiver Laccaria ochropurpurea2 August records since 2011- Turkeytail Trametes versicolor2 August records since 2011
- Jack O Lantern Omphalotus illudens2 August records since 2011
Usually recorded in September here:
Conifercone Cap Baeospora myosura5 September records since 2011
Aborted Entoloma, Shrimp Of The Woods Entoloma abortivum4 September records since 2011- Turkeytail Trametes versicolor3 September records since 2011
- Golden Oyster Mushroom Pleurotus citrinopileatus3 September records since 2011
- Painted Suillus Suillus spraguei3 September records since 2011
Acrid Knight Tricholoma aestuans2 September records since 2011
Cortinarius harrisonii2 September records since 2011
Cortinarius quercophilus2 September records since 2011
Orange Moss Navel Rickenella fibula2 September records since 2011
Chocolate Milky Lactarius lignyotus2 September records since 2011
Orange Mycena Mycena leaiana2 September records since 2011- Meiorganum curtisii2 September records since 2011
Usually recorded in October here:
Lawyer's Wig Coprinus comatus3 October records since 2011
Late Fall Oyster Mushroom Sarcomyxa serotina3 October records since 2011
Hen Of The Woods Grifola frondosa2 October records since 2011- Fungi Pallidohirschioporus biformis2 October records since 2011
- Turkeytail Trametes versicolor2 October records since 2011
Usually recorded in November here:
Brown Cubical Rot Of Birch Fomitopsis betulina3 November records across all years- Fly Agaric Amanita muscaria3 November records across all years
- Fungi Pallidohirschioporus biformis2 November records across all years
Usually recorded in December here:
Pear-Shaped Puffball Apioperdon pyriforme2 December records since 2011
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 17 | |
| 2 | 17 | |
| 3 | 16 | |
| 4 | 14 | |
| 5 | 14 | |
| 6 | 13 | |
| 7 | 11 | |
| 8 | 10 | |
| 9 | 8 | |
| 10 | 8 | |
| 11 | 7 | |
| 12 | 7 | |
| 13 | 6 | |
| 14 | 6 | |
| 15 | 6 |
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: Sep, Aug, Jul.
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.
- 1Jul 17, 2026Golden Oyster Mushroom Pleurotus citrinopileatusnear Highland, NY · iNaturalist photo, research grade · original record
- 2
Jul 8, 2026Bark Mycena Mycena corticolanear Rifton, NY · iNaturalist photo, research grade · original record - 3Apr 16, 2026Birch Mazegill, Gilled Polypore Lenzites betulinusnear Port Ewen, NY · iNaturalist photo, research grade · original record
- 4
Mar 18, 2026Hoof Fungus Fomes fomentariusin Slide Mountain Wilderness, NY · iNaturalist photo, research grade · original record - 5Mar 18, 2026Turkeytail Trametes versicolorin Slide Mountain Wilderness, NY · iNaturalist photo, research grade · original record
- 6
Oct 17, 2025Late Fall Polypore Ischnoderma resinosumin Slide Mountain Wilderness, NY · iNaturalist photo, research grade · original record - 7
Oct 16, 2025American Slippery Jack Suillus americanusin Kenneth L. Wilson Campground, NY · iNaturalist photo, research grade · original record - 8Oct 16, 2025Lawyer's Wig Coprinus comatusin Kenneth L. Wilson Campground, NY · iNaturalist photo, research grade · original record
- 9Oct 16, 2025Jack O Lantern Omphalotus illudensnear Shokan, NY · iNaturalist photo, research grade · original record
- 10Oct 12, 2025Turkeytail Trametes versicolornear Port Ewen, NY · iNaturalist photo, research grade · original record
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How we built this page
862 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 662 CC0 and 200 CC BY 4.0. See about the data for the full citation.