Mushrooms in Calvert County, Maryland
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:
- Birch Mazegill, Gilled Polypore Lenzites betulinus2 January records across all years
Too few past records in February here to list species.
Too few past records in March here to list species.
Usually recorded in April here:
- Phlyctibasidium polyporoideum2 April records across all years
Pear-Shaped Puffball Apioperdon pyriforme2 April records across all years
Too few past records in May here to list species.
Usually recorded in June here:
Golden Reishi Ganoderma curtisii2 June records across all years- Panus rudis2 June records across all years
Reddening Lepiota Leucoagaricus americanus2 June records across all years
Usually recorded in July here:
- Golden Reishi Ganoderma curtisii2 July records since 2011
White Chicken Mushroom Berkcurtia persicina2 July records since 2011
Caloboletus firmus2 July records since 2011
Usually recorded in August here:
Sulphur Tuft Hypholoma fasciculare5 August records across all years
Gloeostereum incarnatum3 August records across all years
Lentinellus vulpinus2 August records across all years
Usually recorded in September here:
Hydnellum fennicum2 September records across all years
Firm Russula Russula compacta2 September records across all years
Onion-Stalk Parasol Leucocoprinus cepistipes2 September records across all years
Devil's Dipstick Mutinus elegans2 September records across all years
Usually recorded in October here:
- Reddening Lepiota Leucoagaricus americanus2 October records across all years
Usually recorded in November here:
Hairy Curtain Crust Stereum hirsutum4 November records across all years
Russula vesicatoria3 November records across all years
Jewelled Amanita Amanita gemmata3 November records across all years
Turkeytail Trametes versicolor2 November records across all years
Brittlegills Russula albidula2 November records across all years
False Deathcap Amanita citrina2 November records across all years
Butter Cap Rhodocollybia butyracea2 November records across all years
Grey Coral Clavulina cinerea2 November records across all years
Lilac Bonnet Mycena pura2 November records across all years
Common Stump Brittlestem Psathyrella piluliformis2 November records across all years
Destroying Angel Amanita virosa2 November records across all years
Phlebiopsis gigantea2 November records across all years
Usually recorded in December here:
- Hymenochaete curtisii5 December records across all years
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 7 | |
| 2 | 6 | |
| 3 | 5 | |
| 4 | 5 | |
| 5 | 5 | |
| 6 | 5 | |
| 7 | 4 | |
| 8 | 4 | |
| 9 | 4 | |
| 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: Nov, 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 8 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.
- 1Aug 21, 2026Devil's Dipstick Mutinus elegansnear Lusby, MD · iNaturalist photo, research grade · original record
- 2
- 3Jul 19, 2026Golden Reishi Ganoderma curtisiinear Lusby, MD · iNaturalist photo, research grade · original record
- 4
Jul 19, 2026Ornate-Stalked Bolete Retiboletus ornatipesnear Lusby, MD · iNaturalist photo, research grade · original record - 5
Jul 19, 2026Chicken Of The Woods Laetiporus sulphureusnear Lusby, MD · iNaturalist photo, research grade · original record - 6Mar 28, 2026Turkeytail Trametes versicolornear Owings, MD (location blurred by the observer) · iNaturalist photo, research grade · original record
- 7Mar 28, 2026Birch Mazegill, Gilled Polypore Lenzites betulinusnear Croom, MD (location blurred by the observer) · iNaturalist photo, research grade · original record
- 8Sep 20, 2025Devil's Dipstick Mutinus elegansnear Lusby, MD · iNaturalist photo, research grade · original record
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How we built this page
272 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 226 CC0 and 46 CC BY 4.0. See about the data for the full citation.