Mushrooms in Somerset 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:
Ganoderma resinaceum2 January records across all years
Common Porecrust, Split Gill Fungus Schizophyllum commune2 January records across all years
Too few past records in February here to list species.
Usually recorded in March here:
Milk-White Toothed Polypore Irpex lacteus2 March records since 2011
Ceramic Parchment Xylobolus frustulatus2 March records since 2011- Acanthophysium oakesii2 March records since 2011
Usually recorded in April here:
White-Rot Fungus Trametes pubescens2 April records across all years
Turkeytail Trametes versicolor2 April records across all years
Brown Cubical Rot Of Birch Fomitopsis betulina2 April records across all years
Usually recorded in May here:
- Common Porecrust, Split Gill Fungus Schizophyllum commune3 May records across all years
- Russula primaverna3 May records across all years
Usually recorded in June here:
Russula romellii2 June records across all years
Usually recorded in July here:
- Russula henningsii6 July records across all years
- Russula cystidiosa4 July records across all years
Lanmaoa pallidorosea2 July records across all years
Inocybe albodisca2 July records across all years- Russula rubellipes2 July records across all years
- Butyriboletus peckii2 July records across all years
- Russula operta2 July records across all years
Woolly Fibrecap Inocybe stellatospora2 July records across all years
Russula humidicola2 July records across all years
Inocybe calospora2 July records across all years
Usually recorded in August here:
- Russula henningsii3 August records across all years
Blushing Rosette Abortiporus biennis2 August records across all years
Usually recorded in September here:
- Russula henningsii6 September records across all years
- Russula humidicola3 September records across all years
- Russula subgraminicolor3 September records across all years
- Birch Mazegill, Gilled Polypore Lenzites betulinus3 September records across all years
Cobalt Crust Terana coerulea3 September records across all years- Russula rubellipes2 September records across all years
Purple-Spored Puffball Calvatia cyathiformis2 September records across all years
Blackish-Red Russula Russula vinacea2 September records across all years
Jack O Lantern Omphalotus illudens2 September records across all years- Turkeytail Trametes versicolor2 September records across all years
Usually recorded in October here:
Eastern Stinkhorn Phallus ravenelii3 October records across all years
Greyling Bracket Postia tephroleuca2 October records across all years
Usually recorded in November here:
- Eastern Stinkhorn Phallus ravenelii2 November records since 2011
Too few past records in December here to list species.
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 17 | |
| 2 | 9 | |
| 3 | 7 | |
| 4 | 7 | |
| 5 | 5 | |
| 6 | 5 | |
| 7 | 5 | |
| 8 | Russula rubellipes | 4 |
| 9 | 4 | |
| 10 | 4 | |
| 11 | 4 | |
| 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: Sep, 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.
- 1Sep 20, 2026Birch Mazegill, Gilled Polypore Lenzites betulinusin Lord Stirling Park, NJ · iNaturalist photo, research grade · original record
- 2Sep 20, 2026Birch Mazegill, Gilled Polypore Lenzites betulinusin Lord Stirling Park, NJ · iNaturalist photo, research grade · original record
- 3
Sep 8, 2026Stinky Squid Pseudocolus fusiformisin Willowwood Arboretum, NJ · iNaturalist photo, research grade · original record - 4
Sep 7, 2026Field Mushroom Agaricus campestrisin Washington Rock State Park, NJ · iNaturalist photo, research grade · original record - 5
Aug 7, 2026Protohydnum albumin Duke Island Park, NJ · iNaturalist photo, research grade · original record - 6Mar 28, 2026Acanthophysium oakesiiin Lord Stirling Park, NJ · iNaturalist photo, research grade · original record
- 7Mar 15, 2026Turkeytail Trametes versicolorin Washington Valley Park, NJ · iNaturalist photo, research grade · original record
- 8Nov 28, 2025Turkeytail Trametes versicolorin Six Mile Run Reservoir Site, NJ · iNaturalist photo, research grade · original record
- 9
Nov 13, 2025Pear-Shaped Puffball Apioperdon pyriformein Lord Stirling Park, NJ · iNaturalist photo, research grade · original record - 10
Sep 26, 2025Asian Beauty Radulomyces copelandiinear Weston, NJ · iNaturalist photo, research grade · original record
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How we built this page
242 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 168 CC0 and 74 CC BY 4.0. See about the data for the full citation.