| ROD Name | Preferred Name | Sporocarp type | Photo | ROD Status | Seasonality |
|---|
| Albatrellus avellaneus | Albatrellus avellaneus | polypore | Images | 1,3 | OCT to JAN |
| Albatrellus caeruleoporus | Albatrellus caeruleoporus | polypore | | 1,3 | SEP to OCT |
| Albatrellus ellisii | Albatrellus ellisii | polypore | Image | 3 | OCT to JAN |
| Albatrellus flettii | Albatrellus flettii | polypore | | 3 | AUG to NOV |
| Aleuria rhenana | Sowerbyella rhenana | cup | Images | 1,3 | OCT to DEC |
| Aleurodiscus farlowii | Acanthophysium farlowii | resupinate polypore | Images | 1,3 | MAY to MAY |
| Alpova alexsmithii | Alpova alexsmithii | sequestrate | Image | 1,3 | AUG to DEC |
| Alpova olivaceotinctus | Alpova olivaceotinctus | sequestrate | Image | 1,3 | JUN to FEB |
| Alpova sp. nov. #Trappe 1966 | Alpova aurantiacus | sequestrate | | 1,3 | AUG |
| Alpova sp. nov. #Trappe 9730 | Rhizopogon ellipsosporus | sequestrate | | 1,3 | OCT |
| Arcangeliella crassa | Arcangeliella crassa | sequestrate | Image | 1,3 | SEP to OCT |
| Arcangeliella lactarioides | Arcangeliella lactarioides | sequestrate | Image | 1,3 | AUG to NOV |
| Arcangeliella sp. nov. #Trappe 12359 | Arcangeliella camphorata | sequestrate | Images | 1,3 | SEP to JUN |
| Arcangeliella sp. nov. #Trappe 12382 | Arcangeliella camphorata | sequestrate | Images | 1,3 | SEP to JUN |
| Asterophora lycoperdoides | Asterophora lycoperdoides | club-like | Images | 3 | JUN to NOV |
| Asterophora parasitica | Asterophora parasitica | club-like | | 3 | SEP to NOV |
| Baeospora myriadophylla | Baeospora myriadophylla | gilled | | 3 | SEP to DEC, APR to JUN |
| Balsamia nigrens | Balsamia nigrens | sequestrate | Images | 1,3 | OCT to JUN |
| Boletus haematinus | Boletus haematinus | boletoid | | 1,3 | AUG to OCT |
| Boletus piperatus | Boletus piperatus | boletoid | Image | 3 | APR to DEC |
| Boletus pulcherrimus | Boletus pulcherrimus | boletoid | Images | 1,3 | JUL to DEC |
| Bondarzewia montana | Bondarzewia mesenterica | polypore | Images | 1,2,3 | AUG to DEC |
| Bryoglossum gracile | Bryoglossum gracile | earth tongue | Image | 1,3 | AUG to OCT |
| Cantharellus cibarius | Cantharellus formosus gp. | chantarelle | Images | 3,4 | JUN to DEC |
| Cantharellus formosus | Cantharellus formosus gp. | chantarelle | Images | 1,3 | JUN to DEC |
| Cantharellus tubaeformis | Cantharellus tubaeformis | chantarelle | Images | 3,4 | FALL/WINTER |
| Catathelasma ventricosa | Catathelasma ventricosa | gilled | Images | 3 | SEP to DEC |
| Chamonixia pacifica sp. nov. #Trappe 12768 | Chamonixia caespitosa | sequestrate | Image | 1,3 | JUN to NOV |
| Chrysomphalina grossula | Chrysomphalina grossula | gilled | | 3 | JAN to DEC |
| Clavariadelphus borealis | Clavariadelphus truncatus | club | Images | 3,4 | FALL |
| Clavariadelphus ligula | Clavariadelphus ligula | club | Images | 3,4 | FALL |
| Clavariadelphus lovejoyae | Clavariadelphus lovejoyae | club | | 3,4 | FALL |
| Clavariadelphus pistillaris | Clavariadelphus pistilaris | club | Images | 3,4 | FALL |
| Cantharellus subalbidus | Cantharellus subalbidus | chantarelle | Images | 3,4 | FALL |
| Choiromyces alveolatus | Choiromyces alveolatus | sequestrate | Images | 1,3 | MAY to NOV |
| Choiromyces venosus | Choiromyces venosus | sequestrate | Images | 1,3 | OCT |
| Chroogomphus loculatus | Chroogomphus loculatus | sequestrate | Images | 1,3 | SEP to OCT |
| Clavariadelphus sachalinensis | Clavariadelphus sachalinensis | club | | 3,4 | FALL |
| Clavariadelphus subfastigatus | Clavariadelphus subfastigatus | club | Image | 3,4 | FALL |
| Clavariadelphus truncatus | Clavariadelphus truncatus | club | Images | 3,4 | FALL |
| Clavicorona avellanea | Clavicorona piperata | coral | | 3 | FALL |
| Clavulina cinerea | Clavulina cristata | coral | Images | 3,4 | FALL |
| Clavulina cristata | Clavulina cristata | coral | Images | 3,4 | FALL |
| Clavulina ornatipes | Clavulina ornatipes | coral | Images | 3,4 | FALL |
| Clitocybe senilis | Clitocybe senilis | gilled | Image | 1,3 | JUL to OCT |
| Clitocybe subditopoda | Clitocybe subditopoda | gilled | Image | 1,3 | OCT to DEC |
| Collybia bakerensis | Collybia bakerensis | gilled | | 1,3 | MAY to OCT |
| Collybia racemosa | Collybia racemosa | gilled | Image | 3 | SEP to DEC |
| Cordyceps capitata | Cordyceps capitata | club-like | Images | 3 | JAN to DEC |
| Cordyceps ophioglossoides | Cordyceps ophioglossoides | club-like | | 3 | SEP to NOV |
| Cortinarius azureus | Cortinarius azureus | gilled | | 3 | FALL |
| Cortinarius boulderensis | Cortinarius boulderensis | gilled | Images | 1,3 | SEP to NOV |
| Cortinarius canabarba | Cortinarius umidicola | gilled | Image | 1,3 | SEP to OCT |
| Cortinarius cyanites | Cortinarius cyanites | gilled | | 3 | FALL |
| Cortinarius magnivelatus | Cortinarius magnivelatus | sequestrate | Images | 1,3 | JUN to AUG |
| Cortinarius olympianus | Cortinarius olympianus | gilled | Images | 1,3 | SEP to DEC |
| Cortinarius rainierensis | Cortinarius speciosissimus | gilled | | 1,3 | JUL to OCT |
| Cortinarius spilomius | Cortinarius spilomius | gilled | | 3 | ? |
| Cortinarius tabularis | Cortinarius tabularis | gilled | | 3 | ? |
| Cortinarius valgus | Cortinarius valgus | gilled | Image | 3 | FALL |
| Cortinarius variipes | Cortinarius variipes | gilled | Image | 1,3 | AUG to OCT |
| Cortinarius verrucisporus | Cortinarius verrucisporus | sequestrate | Images | 1,3 | AUG to SEP |
| Cortinarius wiebeae | Cortinarius wiebeae | sequestrate | | 1,3 | JUN to JUN |
| Cudonia monticola | Cudonia monticola | earth tongue | Image | 3 | FALL |
| Cyphellostereum laeve | Cyphellostereum laeve | club-like | | 3 | OCT |
| Dermocybe humboldtensis | Dermocybe humboldtensis | gilled | Image | 1,3 | OCT to DEC |
| Destuntzia fusca | Destuntzia fusca | sequestrate | | 1,3 | OCT to DEC |
| Destuntzia rubra | Destuntzia rubra | sequestrate | Images | 1,3 | APR to DEC |
| Dichostereum granulosum | Dichostereum boreale | resupinate | | 1,3 | MAY to OCT |
| Elaphomyces anthracinus | Elaphomyces anthracinus | sequestrate | Images | 1,3 | MAY to MAY |
| Elaphomyces sp. nov. #Trappe 1038 | Martellia maculata | sequestrate | | 1,3 | OCT to NOV |
| Elaphomyces subviscidus | Elaphomyces subviscidus | sequestrate | Image | 1,3 | JUN to JUN |
| Endogone acrogena | Endogone acrogena | sequestrate | | 1,3 | SEP to OCT |
| Endogone oregonensis | Endogone oregonensis | sequestrate | Image | 1,3 | JUL to FEB |
| Fayodia gracilipes | Fayodia gracilipes (rainierensis) | gilled | | 3 | SEP to DEC |
| Galerina atkinsoniana | Galerina atkinsoniana | gilled | Image | 3 | FALL |
| Galerina cerina | Galerina cerina | gilled | Image | 3 | FALL |
| Galerina heterocystis | Galerina heterocystis | gilled | | 3 | FALL |
| Galerina sphagnicola | Galerina sphagnicola | gilled | | 3 | FALL |
| Galerina vittaeformis | Galerina vittaeformis | gilled | Images | 3 | FALL |
| Gastroboletus imbellus | Gastroboletus imbellus | sequestrate | | 1,3 | OCT |
| Gastroboletus ruber | Gastroboletus ruber | sequestrate | Images | 1,3 | AUG to SEP |
| Gastroboletus sp. nov. #Trappe 2897 | Gastroboletus vividus | sequestrate | Image | 1,3 | SEP |
| Gastroboletus sp. nov. #Trappe 7515 | Gastroboletus vividus | sequestrate | Image | 1,3 | SEP |
| Gastroboletus turbinatus | Gastroboletus turbinatus | sequestrate | Image | 3 | FALL |
| Gastrosuillus sp. nov. #Trappe 7516 | Gastrosuillus umbrinus | sequestrate | Image | 1,3 | SEP |
| Gastrosuillus sp. nov. #Trappe 9608 | Gastrosuillus amaranthii | sequestrate | | 1,3 | JUN |
| Gautieria magnicellaris | Gautieria magnicellaris | sequestrate | Image | 1,3 | JUL to SEP |
| Gautieria otthii | Gautieria otthii | sequestrate | | 1,3 | AUG to OCT |
| Gelatinodiscus flavidus | Gelatinodiscus flavidus | cup | Image | 1,3 | APR to JUL |
| Glomus radiatum | Glomus radiatum | sequestrate | | 1,3 | JUN to NOV |
| Gomphus bonarii | Gomphus bonarii | chantarelle | Images | 3 | OCT to DEC |
| Gomphus kauffmanii | Gomphus kaufmanii | chantarelle | Image | 3 | AUG to NOV |
| Gastroboletus subalpinus | Gastroboletus subalpinus | sequestrate | Images | 1,3 | SEP to OCT |
| Gomphus clavatus | Gomphus clavatus | chantarelle | Images | 3 | SEP to DEC |
| Gomphus floccosus | Gomphus floccosus | chantarelle | Images | 3 | SEP to DEC |
| Gymnomyces sp. nov. #Trappe 1690,1706,1710 | Gymnomyces abietis | sequestrate | Image | 1,3 | AUG to OCT |
| Gymnomyces sp. nov. #Trappe 4703,5576 | Gymnomyces abietis | sequestrate | Image | 1,3 | AUG to OCT |
| Gymnomyces sp. nov. #Trappe 5052 | Gymnomyces abietis | sequestrate | Image | 1,3 | AUG to OCT |
| Gymnomyces sp. nov. #Trappe 1690 | Gymnomyces abietis | sequestrate | Image | 1,3 | AUG to OCT |
| Gymnomyces sp. nov. #Trappe 7545 | Gymnomyces abietis | sequestrate | Image | 1,3 | AUG to OCT |
| Gymnopilus puntifolius | Gymnopilus punctifolius | gilled | Images | 1,3 | OCT to NOV |
| Gyromitra californica | Gyromitra californica | elfin saddle | Images | 3,4 | SPRING |
| Gyromitra esculenta | Gyromitra esculenta | elfin saddle | Images | 3,4 | SPRING |
| Gyromitra infula | Gyromitra infula | elfin saddle | Image | 3,4 | FALL |
| Gyromitra melaleucoides | Gyromitra melaleucoides | elfin saddle | Images | 3,4 | SPRING/SUMMER |
| Gyromitra montana (syn. G. gigas) | Gyromitra montana | elfin saddle | Images | 3,4 | SPRING/SUMMER |
| Hebeloma olympianum | Hebeloma olympianum | gilled | Images | 1,3 | DEC to JUL |
| Helvella compressa | Helvella compressa | elfin saddle | Image | ? | SPRING |
| Helvella crassitunicata | Helvella crassitunicata | elfin saddle | Image | 1,3 | AUG to OCT |
| Helvella elastica | Helvella elastica | elfin saddle | Images | 1,3 | MAY to DEC |
| Helvella maculata | Helvella maculata | elfin saddle | | 1,3 | OCT to APR |
| Hydnotrya sp. nov. #Trappe 787,792 | Hydnotrya inordinata | sequestrate | Image | 1,3 | JUL |
| Hydnotrya subnix sp. nov. #Trappe 1861 | Hydnotrya subnix | sequestrate | Image | 1,3 | JUN |
| Hydnum repandum | Hydnum repandum | toothed | Images | 3 | JAN to DEC |
| Hydnum umbilicatum | Hydnum umbilicatum | toothed | | 3 | AUG to FEB |
| Hygrophorus caeruleus | Hygrophorus caeruleus | gilled | Images | 1,3 | JUN |
| Hygrophorus karstenii | Hygrophorus karstenii | gilled | | 3 | MAY to AUG |
| Hygrophorus vernalis | Hygrophorus vernalis | gilled | | 1,3 | JUN to JUL |
| Hypomyces luteovirens | Hypomyces luteovirens | club-like | | 3 | SEP to OCT |
| Leucogaster citrinus | Leucogaster citrinus | sequestrate | Image | 1,3 | AUG to NOV |
| Leucogaster microsporus | Leucogaster microsporus | sequestrate | Images | 1,3 | AUG to NOV |
| Macowanites chlorinosmus | Macowanites chlorinosmus | sequestrate | Images | 1,3 | JUL to JAN |
| Macowanites lymanensis | Macowanites lymanensis | sequestrate | Images | 1,3 | SEP |
| Macowanites mollis | Macowanites mollis | sequestrate | | 1,3 | JUL to SEP |
| Marasmius applanatipes | Marasmius applanatipes | gilled | | 1,3 | OCT |
| Martellia fragrans | Martellia fragrans | sequestrate | | 1,3 | OCT to NOV |
| Martellia idahoensis | Martellia idahoensis | sequestrate | | 1,3 | SEP to OCT |
| Martellia monticola | Martellia monticola | sequestrate | | 1,3 | AUG to OCT |
| Martellia sp. nov. #Trappe 649 | Martellia nondistincta | sequestrate | | 1,3 | SEP |
| Martellia sp. nov. #Trappe 5903 | Gymnomyces abietis | sequestrate | Image | 1,3 | AUG to DEC |
| Martellia sp. nov. #Trappe 1700 | Gymnomyces abietis | sequestrate | Image | 1,3 | AUG to OCT |
| Martellia sp. nov. #Trappe 311 | Gymnomyces abietis | sequestrate | Image | 1,3 | AUG to OCT |
| Mycena lilacifolia | Chromosera cyanophylla | gilled | Images | 3 | JAN to NOV |
| Mycena hudsoniana | Mycena hudsoniana | gilled | | 3 | APR to JUL |
| Mycena overholtsii | Mycena overholtsii | gilled | Images | 1,3 | MAR to JUL |
| Mycena marginella | Hydropus marginellus | gilled | | 3 | MAY to DEC |
| Mycena monticola | Mycena monticola | gilled | Images | 1,3 | MAR to NOV |
| Mycena quinaultensis | Mycena quinaultensis | gilled | | 1,3 | MAY to DEC |
| Mycena tenax | Mycena tenax | gilled | | 3 | JUN to DEC |
| Mythicomyces corneipes | Mythicomyces corneipes | gilled | | 3 | AUG to OCT |
| Neolentinus adherens | Neolentinus adherens | gilled | | 1,3 | OCT to NOV |
| Neolentinus kauffmanii | Neolentinus kauffmanii | gilled | | 1,3 | JUN to MAR |
| Neournula pouchetii | Neournula pouchetii | cup | Images | 1,3 | MAR to JUN |
| Nivatogastrium nubigenum | Nivatogastrium nubigenum | sequestrate | Images | 1,3 | MAY to OCT |
| Octavianina papyracea | Octavianina papyracea | sequestrate | | 1,3 | DEC to JUL |
| Octavianina macrospora | Octavianina macrospora | sequestrate | | 1,3 | DEC? |
| Octavianina sp. nov. #Trappe 7502 | Octavianina cyanescens | sequestrate | | 1,3 | SEP to SEP |
| Otidea leporina | Otidea leporina | cup | Images | 3 | AUG to DEC |
| Otidea onotica | Otidea onotica | cup | Images | 3 | AUG to DEC |
| Otidea smithii | Otidea smithii | cup | Images | 1,3 | AUG to DEC |
| Oxyporus nobilissimus | Bridgeoporus nobilissimus | polypore | Images | 1,2,3 | AUG to NOV |
| Phaeocollybia attenuata | Phaeocollybia attenuata | gilled | Images | 3 | SEP to DEC |
| Phaeocollybia californica | Phaeocollybia californica | gilled | Images | 1,3 | MAR to DEC |
| Phaeocollybia carmanahensis | Phaeocollybia oregonensis | gilled | | 1,3 | OCT to NOV |
| Phaeocollybia dissiliens | Phaeocollybia dissiliens | gilled | | 1,3 | OCT to NOV |
| Phaeocollybia fallax | Phaeocollybia fallax | gilled | Image | 3 | SEP to JAN |
| Phaeocollybia gregaria | Phaeocollybia gregaria | gilled | | 1,3 | OCT to NOV |
| Phaeocollybia kauffmanii | Phaeocollybia kauffmanii | gilled | Image | 1,3 | SEP to JAN |
| Phaeocollybia olivacea | Phaeocollybia olivacea | gilled | | 3 | OCT to DEC |
| Phaeocollybia oregonensis | Phaeocollybia oregonensis | gilled | | 1,3 | OCT to NOV |
| Phaeocollybia piceae | Phaeocollybia piceae | gilled | | 1,3 | OCT to NOV |
| Phaeocollybia pseudofestiva | Phaeocollybia pseudofestiva | gilled | | 3 | MAY to JAN |
| Phaeocollybia scatesiae | Phaeocollybia scatesiae | gilled | | 1,3 | |
| Phaeocollybia sipei | Phaeocollybia sipei | gilled | | 1,3 | OCT to NOV |
| Phaeocollybia spadicea | Phaeocollybia spadicea | gilled | | 3 | OCT to JAN |
| Phellodon atratum | Phellodon atratum | toothed | Image | 3 | JUL to JAN |
| Phlogiotis helvelloides | Phlogiotis helvelloides | jelly | Images | 3,4 | JUL to MAR |
| Pholiota albivelata | Pholiota albivelata | gilled | | 1,3 | APR to JAN |
| Phytoconis ericetorum | Omphalina ericetorum | gilled | | 3,4 | JAN to DEC |
| Pithya vulgaris | Pithya vulgaris | cup | Images | 1,3 | JAN to NOV |
| Plectania latahensis | Sarcosoma latahense | cup | Image | 1,3 | MAR to MAY |
| Plectania milleri | Plectania milleri | cup | Image | 1,3 | MAY |
| Plectania melastoma | Plectania melastoma | cup | Image | 3 | MAY to JUN |
| Podostroma alutaceum | Podostroma alutaceum | club-like | | 3 | JAN to DEC |
| Polyozellus multiplex | Polyozellus multiplex | chantarelle | Images | 1,3 | JUN to NOV |
| Pseudaleuria quinaultiana | Pseudaleuria quinaultiana | cup | | 1,3 | MAR to MAY |
| Ramaria abietina | Ramaria abietina | coral | | 3 | |
| Ramaria amyloidea | Ramaria amyloidea | coral | Images | 1,3 | SEP to OCT |
| Ramaria araiospora | Ramaria araiospora | coral | Image | 1,3 | OCT to DEC |
| Ramaria aurantiisiccescens | Ramaria aurantiisiccescens | coral | | 1,3 | SEP to NOV |
| Ramaria botryis var. aurantiiramosa | Ramaria botryis var. aurantiiramosa | coral | | 1,3 | OCT |
| Ramaria celerivirescens | Ramaria celerivirescens | coral | Image | 1,3 | OCT to NOV |
| Ramaria claviramulata | Ramaria claviramulata | coral | | 1,3 | OCT to NOV |
| Ramaria coulterae | Ramaria coulterae | coral | | 3 | NOT IN REGION |
| Ramaria cyaneigranosa | Ramaria cyaneigranosa | coral | Image | 1,3 | OCT to NOV |
| Ramaria concolor f. marrii | Ramaria concolor f. marrii | coral | Image | 1,3 | OCT |
| Ramaria concolor f. tsugina | Ramaria concolor f. tsugina | coral | | 3 | OCT |
| Rhizopogon exiguus | Rhizopogon exiguus | sequestrate | Image | 1,3 | SEP to MAR |
| Ramaria fasciculata var. sparsiramosa | Ramaria fasciculata var. sparsiramosa | coral | Image | 1,3 | NOV |
| Ramaria gelatiniaurantia | Ramaria gelatiniaurantia | coral | Image | 1,3 | OCT to DEC |
| Ramaria gracilis | Ramaria gracilis | coral | | 1,3 | OCT to DEC |
| Ramaria hilaris var. olympiana | Ramaria hilaris var. olympiana | coral | | 1,3 | OCT |
| Ramaria largentii | Ramaria largentii | coral | Image | 1,3 | OCT |
| Ramaria lorithamnus | Ramaria lorithamnus | coral | | 1,3 | SEP |
| Ramaria maculatipes | Ramaria maculatipes | coral | Image | 1,3 | SEP to NOV |
| Ramaria rainierensis | Ramaria rainierensis | coral | | 1,3 | MAR, OCT to DEC |
| Ramaria rubella var. blanda | Ramaria rubella var. blanda | coral | Image | 1,3 | SEP to OCT |
| Ramaria rubrievanescens | Ramaria rubrievanescens | coral | | 1,3 | JUN, NOV |
| Ramaria rubribrunnescens | Ramaria rubribrunnescens | coral | Image | 1,3 | OCT to NOV |
| Ramaria rubripermanens | Ramaria rubripermanens | coral | | 1,3 | JUN, SEP to NOV |
| Ramaria spinulosa | Ramaria spinulosa var. diminutiva | coral | | 1,3 | OCT to NOV |
| Ramaria stuntzii | Ramaria stuntzii | coral | Images | 1,3 | SEP to DEC |
| Ramaria suecia | Ramaria suecia | coral | Image | 3 | SEP to DEC |
| Ramaria thiersii | Ramaria thiersii | coral | | 1,3 | SEP to DEC |
| Ramaria verlotensis | Ramaria verlotensis | coral | Image | 1,3 | SEP to DEC |
| Rhizopogon abietis | Rhizopogon abietis | sequestrate | Image | 3 | |
| Rhizopogon atroviolaceus | Rhizopogon atroviolaceus | sequestrate | | 3 | |
| Rhizopogon brunneiniger | Rhizopogon brunneiniger | sequestrate | | 1,3 | SEP to NOV |
| Rhizopogon evadens var. subalpinus | Rhizopogon evadens var. subalpinus | sequestrate | Image | 1,3 | AUG to OCT |
| Rhizopogon flavofibrillosus | Rhizopogon flavofibrillosus | sequestrate | Images | 1,3 | JUL to NOV |
| Rhizopogon inquinatus | Rhizopogon inquinatus | sequestrate | | 1,3 | SEP to OCT |
| Rhizopogon sp. nov. #Trappe 9432 | Rhizopogon chamaleontinus | sequestrate | | 1,3 | JUN |
| Rhizopogon sp. nov. #Trappe 1692 | Rhizopogon parksii | sequestrate | Image | 1,3 | |
| Rhizopogon sp. nov. #Trappe 1698 | Rhizopogon parksii | sequestrate | Image | 1,3 | |
| Rhizopogon truncatus | Rhizopogon truncatus | sequestrate | Images | 3 | |
| Rickenella setipes | Rickenella swartzii | gilled | | 3 | MAY to NOV |
| Rhodocybe nitida | Entoloma nitidum | gilled | | 1,3 | JUL to NOV |
| Rhodocybe speciosa | Rhodocybe speciosa | gilled | | 1,3 | OCT to NOV |
| Russula mustelina | Russula mustelina | gilled | | 3 | |
| Sarcodon fuscoindicum | Sarcodon fuscoindicum | toothed | Image | 3 | SEP to FEB |
| Sarcodon imbricatum | Sarcodon imbricatum | toothed | Images | 3 | AUG to NOV |
| Sarcosoma mexicana | Sarcosoma mexicana | cup | Images | 3 | DEC to MAR |
| Sarcosphaera eximia | Sarcosphaera coronaria | cup | | 3 | MAY to JUL |
| Sedecula pulvinata | Sedecula pulvinata | sequestrate | Image | 1,3 | AUG |
| Sparassis crispa | Sparassis crispa | cauliflower | | 3 | MAY to DEC |
| Spathularia flavida | Spathularia flavida | earth tongue | Image | 3 | JUL to DEC |
| Stagnicola perplexa | Stagnicola perplexa | gilled | | 1,3 | AUG to NOV |
| Thaxterogaster pingue | Thaxterogaster pingue | sequestrate | Image | 3 | |
| Thaxterogaster sp. nov. #Trappe 4867,6242,7427,7962,8520 | Thaxtoerogaster pavelekii | sequestrate | Image | 1,3 | MAR to NOV |
| Tricholoma venenatum | Tricholoma venenatum | gilled | Image | 1,3 | NOV |
| Tricholomopsis fulvescens | Tricholomopsis fulvescens | gilled | | 1,3 | SEP to OCT |
| Tuber sp. nov. #Trappe 2302 | Tuber asa | sequestrate | | 1,3 | OCT |
| Tuber sp. nov. #Trappe 12493 | Tuber pacificum | sequestrate | Image | 1,3 | FEB to JUL |
| Tylopilus pseudoscaber | Tylopilus porphyrosporus | boletoid | Images | 1,3 | JUN to MAR |