Mushrooms in Union County, New Jersey
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:
Phlebiopsis crassa3 January records since 2011- Pleurotus eryngii3 January records since 2011
Blue Cheese Polypore Cyanosporus caesius3 January records since 2011
Turkeytail Trametes versicolor3 January records since 2011
Jack O Lantern Omphalotus illudens3 January records since 2011
Bitter Oysterling Panellus stipticus3 January records since 2011
Grey Inkcap Coprinopsis cinerea3 January records since 2011
Xylodon flaviporus3 January records since 2011
Shiitake Lentinula edodes3 January records since 2011- Birch Mazegill, Gilled Polypore Lenzites betulinus3 January records since 2011
Usually recorded in February here:
- Turkeytail Trametes versicolor3 February records since 2011
- Grey Inkcap Coprinopsis cinerea3 February records since 2011
- Birch Mazegill, Gilled Polypore Lenzites betulinus3 February records since 2011
- Shiitake Lentinula edodes3 February records since 2011
- Xylodon flaviporus3 February records since 2011
- Phlebiopsis crassa3 February records since 2011
- Bitter Oysterling Panellus stipticus3 February records since 2011
- Jack O Lantern Omphalotus illudens3 February records since 2011
- Blue Cheese Polypore Cyanosporus caesius3 February records since 2011
- Pleurotus eryngii3 February records since 2011
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:
- Birch Mazegill, Gilled Polypore Lenzites betulinus3 May records since 2011
- Shiitake Lentinula edodes3 May records since 2011
- Xylodon flaviporus3 May records since 2011
- Blue Cheese Polypore Cyanosporus caesius3 May records since 2011
- Pleurotus eryngii3 May records since 2011
- Phlebiopsis crassa3 May records since 2011
- Bitter Oysterling Panellus stipticus3 May records since 2011
- Jack O Lantern Omphalotus illudens3 May records since 2011
- Turkeytail Trametes versicolor3 May records since 2011
- Grey Inkcap Coprinopsis cinerea3 May records since 2011
Too few past records in June here to list species.
Too few past records in July here to list species.
Too few past records in August here to list species.
Usually recorded in September here:
Chicken Of The Woods Laetiporus sulphureus2 September records across all years
Too few past records in October here to list species.
Usually recorded in November here:
Velvet Shank Flammulina velutipes2 November records across all years
Usually recorded in December here:
- Grey Inkcap Coprinopsis cinerea6 December records since 2011
- Xylodon flaviporus6 December records since 2011
- Shiitake Lentinula edodes6 December records since 2011
- Birch Mazegill, Gilled Polypore Lenzites betulinus6 December records since 2011
- Jack O Lantern Omphalotus illudens6 December records since 2011
- Bitter Oysterling Panellus stipticus6 December records since 2011
- Phlebiopsis crassa6 December records since 2011
- Pleurotus eryngii6 December records since 2011
- Blue Cheese Polypore Cyanosporus caesius6 December records since 2011
- Turkeytail Trametes versicolor6 December records since 2011
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 16 | |
| 2 | 16 | |
| 3 | 16 | |
| 4 | 15 | |
| 5 | 15 | |
| 6 | Pleurotus eryngii | 15 |
| 7 | 15 | |
| 8 | 15 | |
| 9 | 15 | |
| 10 | 15 | |
| 11 | 3 | |
| 12 | 2 | |
| 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: Dec, May, Jan.
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
Aug 19, 2026Protohydnum albumin Shepard Kollock Park, NJ · iNaturalist photo, research grade · original record - 2
Aug 19, 2026Golden Oyster Mushroom Pleurotus citrinopileatusin Shepard Kollock Park, NJ · iNaturalist photo, research grade · original record - 3Sep 1, 2025Jack O Lantern Omphalotus illudensin Watchung Reservation, NJ · iNaturalist photo, research grade · original record
- 4
Nov 12, 2022Ceramic Parchment Xylobolus frustulatusin Watchung Reservation, NJ · iNaturalist photo, research grade · original record - 5May 2, 2021Grey Inkcap Coprinopsis cinereanear Union, NJ · museum/herbarium specimen · original record
- 6May 2, 2021Turkeytail Trametes versicolornear Union, NJ · museum/herbarium specimen · original record
- 7May 2, 2021Jack O Lantern Omphalotus illudensnear Union, NJ · museum/herbarium specimen · original record
- 8May 2, 2021Bitter Oysterling Panellus stipticusnear Union, NJ · museum/herbarium specimen · original record
- 9
- 10May 2, 2021Pleurotus eryngiinear Union, NJ · museum/herbarium specimen · original record
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How we built this page
214 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 57 CC0 and 157 CC BY 4.0. See about the data for the full citation.