Mushrooms in Penobscot County, Maine
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.
Usually recorded in April here:
Stereum ochraceoflavum3 April records across all years
Oak Curtain Crust Hymenochaete rubiginosa2 April records across all years
Northern Red Belt Fomitopsis mounceae2 April records across all years
Usually recorded in May here:
Blushing Bracket Daedaleopsis confragosa3 May records across all years
Common Porecrust, Split Gill Fungus Schizophyllum commune2 May records across all years
Northern Cinnabar Polypore Trametes cinnabarina2 May records across all years- Phaeosolenia ravenelii2 May records across all years
Black Witch's Butter Exidia glandulosa2 May records across all years
Red Tree Brain Fungus Peniophora rufa2 May records across all years
Usually recorded in June here:
Earpick Fungus Auriscalpium vulgare11 June records across all years- Poronidulus conchifer2 June records across all years
Junghuhnia nitida2 June records across all years
Usually recorded in July here:
Brown Goblet Arrhenia epichysium3 July records across all years- Aleurodiscus farlowii3 July records across all years
Meadow Waxcap Cuphophyllus pratensis2 July records across all years
Ringed Twiglet Tubaria confragosa2 July records across all years
Deer Mushroom Pluteus cervinus2 July records across all years
Aniseed Cockleshell Lentinellus cochleatus2 July records across all years
Common Bird's Nest Crucibulum laeve2 July records across all years
Peeling Oysterling Crepidotus mollis2 July records across all years
Flat Crep Crepidotus applanatus2 July records across all years
Orange Disco Aleurodiscus amorphus2 July records across all years
Usually recorded in August here:
Funnel Chanterelle Craterellus tubaeformis6 August records across all years
Asterodon ferruginosus5 August records across all years
Streaked Clitocybe Pseudoarmillariella ectypoides5 August records across all years
Turkeytail Trametes versicolor5 August records across all years
Hardwood Trunk Rot Phellinus igniarius5 August records across all years
Willow Glue Hydnoporia tabacina4 August records across all years- Brown Goblet Arrhenia epichysium4 August records across all years
Goblet Pseudoclitocybe cyathiformis4 August records across all years- Birch Mazegill, Gilled Polypore Lenzites betulinus4 August records across all years
Clitocybe eccentrica4 August records across all years
Hoof Fungus Fomes fomentarius4 August records across all years
Painted Suillus Suillus spraguei4 August records across all years
Usually recorded in September here:
Scaly Chanterelle Turbinellus floccosus9 September records across all years- Turkeytail Trametes versicolor7 September records across all years
Cystostereum murrayi6 September records across all years
Hairy Bracket Trametes hirsuta5 September records across all years
Brown Cubical Rot Of Birch Fomitopsis betulina4 September records across all years
Veiled Panus Tectella patellaris4 September records across all years- Swamp Slippery Jack Boletus paluster4 September records across all years
- Hoof Fungus Fomes fomentarius4 September records across all years
Bleeding Conifer Crust Stereum sanguinolentum4 September records across all years
Discrete Webcrust Mutatoderma mutatum4 September records across all years
Spreading Phlebia Phlebia radiata4 September records across all years
Smoked Oysterling Resupinatus applicatus3 September records across all years
Usually recorded in October here:
Scarlet Splash Cytidia salicina4 October records across all years
Late Fall Oyster Mushroom Sarcomyxa serotina3 October records across all years
Alder Bracket Xanthoporia radiata3 October records across all years
Crimped Gill Plicaturopsis crispa3 October records across all years- Fungi Pallidohirschioporus biformis3 October records across all years
- Rhodofomes roseus2 October records across all years
- Hymenochaete luteobadia2 October records across all years
- Tomentella umbrinospora2 October records across all years
Diamond Polypore Neofavolus alveolaris2 October records across all years
Couscous Crust Bulbillomyces farinosus2 October records across all years
Rosy Crust Peniophora incarnata2 October records across all years
Scaly Sawgill Neolentinus lepideus2 October records across all years
Usually recorded in November here:
Snow-White Crust Plicatura nivea8 November records across all years- Common Porecrust, Split Gill Fungus Schizophyllum commune3 November records across all years
Usually recorded in December here:
Crystal Brain Fungus Myxarium nucleatum3 December records across all years- Licrostroma subgiganteum3 December records across all years
Silver Leaf Disease Chondrostereum purpureum3 December records across all years
Glue Crust Fungus Hydnoporia corrugata2 December records across all years
Most-recorded species
| # | Species | Records |
|---|---|---|
| 1 | 17 | |
| 2 | 16 | |
| 3 | 14 | |
| 4 | 13 | |
| 5 | 12 | |
| 6 | 10 | |
| 7 | 10 | |
| 8 | 10 | |
| 9 | 10 | |
| 10 | 10 | |
| 11 | 9 | |
| 12 | 8 | |
| 13 | 8 | |
| 14 | 8 | |
| 15 | 8 |
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, Sep, Oct.
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 17, 2026Painted Suillus Suillus spragueinear Orono, ME · iNaturalist photo, research grade · original record
- 2Aug 13, 2026Turkeytail Trametes versicolornear Howland, ME · iNaturalist photo, research grade · original record
- 3
Nov 11, 2025Chicken Of The Woods Laetiporus sulphureusnear Bangor, ME · iNaturalist photo, research grade · original record - 4Sep 28, 2025Turkeytail Trametes versicolornear Newport, ME · iNaturalist photo, research grade · original record
- 5Apr 29, 2025Hoof Fungus Fomes fomentariusnear Alton, ME · iNaturalist photo, research grade · original record
- 6Apr 29, 2025Northern Red Belt Fomitopsis mounceaenear Alton, ME · iNaturalist photo, research grade · original record
- 7Nov 30, 2024Northern Red Belt Fomitopsis mounceaenear Orono, ME · iNaturalist photo, research grade · original record
- 8
Nov 30, 2024Bitter Oysterling Panellus stipticusnear Bangor, ME · iNaturalist photo, research grade · original record - 9Oct 19, 2024Late Fall Oyster Mushroom Sarcomyxa serotinanear Bangor, ME · iNaturalist photo, research grade · original record
- 10Oct 19, 2024Late Fall Oyster Mushroom Sarcomyxa serotinanear Bangor, ME · iNaturalist photo, research grade · original record
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How we built this page
901 records of mushrooms, shelf fungi and polypores (class Agaricomycetes) that fall inside this county's Census boundary. Licenses: 859 CC0 and 42 CC BY 4.0. See about the data for the full citation.