Stony Brook, Harriman - Aug 22, 2026

Our second walk of the summer in at Stony Brook near Sloatsburg. The trails were brimming with fungi. It was almost overwhelming. ~30 people on a ~4.5 hr. walk.

*=new to park   **=new to city

 

Ascomycetes

*Anteaglonium sp.
*Balansia hypoxylon
on Danthonia sp.
Calycina citrina
may have been present, but I have a suspicion that more often we were seeing Hymenoscyphus epiphyllus, especially when on leaves
Chlorencoelia torta
Chlorociboria aeruginascens
Chromelosporiopsis coerulescens
Thursday found it
Diatrype decorticata
Elaphomyces sp.
*Erysiphe amphicarpaeicola
on Amphicarpaea bracteata
Eutypa spinosa
Galiella rufa
Geoglossum difforme
Geoglossum sp.
*Gibellula sp.
Golovinomyces artemisiae
on Artemisia vulgaris
*Humaria hemisphaerica
Hymenoscyphus epiphyllus
Hypomyces armeniacus
Hypomyces chrysospermus
Hypomyces leotiicola
Hypoxylon fragiforme
on beech
Jackrogersella cohaerens
*Lachnum sp.
Leotia lubrica
Leotia viscosa
*Microglossum rufum
*Microglossum sp.
*Myrothecium inundatum
Otidea sp.
*Otidea unicisa
Peziza sp.
*Rhytisma prini
on Ilex verticillata
Rhytisma acerinum
on Acer platanoides
Rugosporella atrovinosa
Scutellinia sp.
Tolypocladium ophioglossoides
*Trichoderma alutaceum
Trichoderma gelatinosum-complex
Trichoglossum farlowii
Trichoglossum hirsutum
or T.
 

Boletes

Aureoboletus innixus
Austroboletus gracilis
Baorangia bicolor
Boletus sensibilis
Gyroporus borealis
Harrya chromipes
*Hemileccinum sp.
Imleria pallida
*Lanmaoa sp.
Leccinellum albellum
Leccinum longicurvipes
Leccinum snellii
Leccinum sp.
Neoboletus subvelutipes
Phylloporus rhodoxanthus
Pulveroboletus ravenelii
Retiboletus griseus
Retiboletus ornatipes
Strobilomyces sp.
Suillus americanus
*Suillus sp.
Sutorius eximius
Tylopilus alboater
Neoporphyrellus alboater?
Tylopilus rubrobrunneus
Tylopilus sp.
Xanthoconium affine
 

Chanterelles & Allies

Cantharellus cinnabarinus
Cantharellus lateritius
Cantharellus minor
*Craterellus calyculus
Craterellus fallax
Craterellus ignicolor
Craterellus tubaeformis
 

Chytridiomycota

Synchytrium decipiens
on Amphicarpaea bracteata
 

Coral & Club Fungi

*Clavaria amethystina
C. zollingeri is no longer a thing in North America
Clavaria fragilis
Clavulinopsis aurantiocinnabarina
Clavulinopsis fusiformis
Ramaria sp.
 

Crusts & Parchment

Hydnoporia olivacea
Steccherinum bourdotii
Stereum complicatum
Tomentella sp.
 

Fiber Fans & Vases

Thelephora palmata
Thelephora sp.
Tomentella s.l. -the one we usually find that is mustard yellow and guttates
 

Gasteromycetes

Calostoma cinnabarinum
Crucibulum parvulum
Lycoperdon perlatum
Mutinus sp.
Scleroderma citrinum
 

Gilled Fungi

Agaricus sp.
red staining - in grass at train station
Amanita amerirubescens-complex
Amanita bisporigera
Amanita brunnescens
Amanita crenulata
Amanita flavoconia
*Amanita flavoconia-complex
Amanita fulva
Amanita rhacopus
Amanita rooseveltensis
Armillaria mellea
*Armillaria sp.
*Camarophyllopsis sp.
*Collybiopsis subnuda
Conocybe apala
Cortinarius bolaris
Cortinarius iodes
*Cortinarius ominosus
red dyer
*Cortinarius perviolaceus
Cortinarius sp.
*Cortinarius subgen.-Telamonia
Cyptotrama chrysopepla
*Desarmillaria caespitosa
*Entoloma carolinianum
*Entoloma murrayi
Entoloma sp.
Galerina sp.
Gliophorus irrigatus
Gliophorus laetus
Gliophorus sp.
Humidicutis marginata
Hygrocybe sp.
Hygrophoropsis aurantiaca
*Hypholoma fasciculare
Infundibulicybe gibba
*Inocybe lanuginosa
Inocybe sp-NY27
Inocybe spp.
*Inocybe subochracea
Laccaria sp.
Lactarius atroviridis
Lactarius camphoratus-IN02
Lactarius camphoratus-complex
Lactarius chrysorrheus
Lactarius fuliginosus
*Lactarius gerardii
*Lactarius glyciosmus
Lactarius griseus
*Lactarius peckii
?
Lactarius quietus
Lactarius subvellereus
Lactifluus allardii
*Lactifluus deceptivus
Lactifluus hygrophoroides
Lactifluus piperatus
Lactifluus volemus
Lentinellus ursinus
*Lentinus sp.
*Mycena corticola
*Mycena crocata
Mycena haematopus
Panellus stipticus
Pseudosperma sp.
Rhodocollybia butyracea
Russula albonigra
Russula crustosa
Russula earlei
*Russula modesta
Russula mutabilis
Russula parvovirescens
Russula sp.
Russula variata
Schizophyllum commune
Stropharia hardii
Tapinella atrotomentosa
Tectella patellaris
Tetrapyrgos nigripes
Typhrasa gossypina
 

Jelly Fungi

Calocera cornea
Dacrymyces chrysospermus
 

Lichens

*Cladonia sp.
*Parmotrema sp.
*Peltigera sp.
Porpidia albocaerulescens
 

Myxomycetes

*Arcyria cinera-var.digitata
Arcyria cinerea
Arcyria spp.
Ceratiomyxa fruticulosa
Ceratiomyxa porioides
Brian Houstle found
*Ceratiomyxa sp.
Cribraria cancellata
Cribraria sp.
*Didymium clavus
Growing on Trichaptum biforme
*Didymium sp.
*Heterotrichia sp.
*Lamprodermataceae sp.
Thought this was a Collaria arcyrionema, but very short and stout stalk. Scoping this will confirm if this is a Lamproderma
Lycogala sp.
Metatrichia vesparia
*Physarum sp.
Stemonitis spp.
*Stemonitopsis typhina
 

Poroid Fungi

Cerioporus leptocephalus
Coltricia cinnamomea
*Cyanosporus livens
Daedaleopsis confragosa
Fistulina americana
Fomitopsis betulina
Ganoderma tsugae
Hapalopilus rutilans
Irpex lacteus
Laeticutis cristata
*Lentinus arcularius
Neofavolus sp.
Rigidoporus populinus
Trametes versicolor
Trichaptum abietinum
Trichaptum biforme
Tyromyces chioneus
 

Rusts

Coleosporium solidaginis
complex on Asteraceae
Kuehneola uredinis
on Rubus occidentalis
*Melampsora epitea-complex
on Salix atrocinerea
*Mixia osmundae
(rust rleative) on Osmundastrum cinnamomeum
Naohidemyces vacciniorum
on Vaccinium
Phragmidium potentillae
on Potentilla
*Puccinia hydnoidea
on Dirca palustris
Puccinia sp.
on Carex spp.
Uredinopsis americana
on Onoclea sensibilis
Uredinopsis longimucronata
on Athyrium angustum
 

Toothed Fungi

Hydnellum cristatum
fuzzy Hydnellum
Hydnellum scabrosum
Hydnellum spongiosipes
Hydnum albidum
Hydnum repandum-complex
*Hydnum subtilior
?
 

Zygomycetes

Syzygites megalocarpus