Psathyrella abieticola1 – Psathyrella agrariella1 – Psathyrella albescens1 – Psathyrella albofloccosa1 – Psathyrella almerensis2 – 【Psathyrella ammophila25（スナジクズタケ）】 – Psathyrella arenosa2 – Psathyrella artemisiae9 – Psathyrella asperospora2 – Psathyrella atomata4 – Psathyrella atomatoides3 – Psathyrella atrolaminata5 – Psathyrella atroumbonata1 – Psathyrella badiophylla2 – Psathyrella badiophylla var. neglecta1 – Psathyrella badiovestita3 – Psathyrella barlae2 – Psathyrella basii1 – Psathyrella battarrae1 – Psathyrella berolinensis3 – Psathyrella bifrons8 – 【Psathyrella bipellis57（ウスベニイタチタケ）】 – Psathyrella bivelata1 – Psathyrella calcarea2 – Psathyrella canadensis1 – 【Psathyrella candolleana166（イタチタケ）】 – Psathyrella capitatocystis1 – Psathyrella caput-medusae7 – Psathyrella carbonicola1 – Psathyrella casca4 – Psathyrella cascoides1 – 【Psathyrella caudata1（ナヨタケモドキ）】 – Psathyrella chondroderma6 – Psathyrella citerinii1 – Psathyrella clivensis8 – Psathyrella columbiana1 – Psathyrella complutensis1 – Psathyrella conferta4 – Psathyrella conica1 – Psathyrella conissans2 – 【Psathyrella conopilus23（オオナヨタケ）】 – Psathyrella coprophila2 – Psathyrella coronata1 – 【Psathyrella corrugis27（ナヨタケ）】 – Psathyrella corrugis f. substerilis2 – Psathyrella cortinarioides5 – Psathyrella cotonea16 – Psathyrella cystidiosa2 – 【Psathyrella delineata15（ハゴロモイタチタケ）】 – Psathyrella dicrani5 – Psathyrella duchesnayensis1 – Psathyrella dunensis2 – Psathyrella echinata2 – Psathyrella effibulata4 – Psathyrella elegans2 – Psathyrella ellenae1 – Psathyrella ellenae var. yubaensis1 – Psathyrella epimyces4 – Psathyrella fagetophila7 – Psathyrella fatua12 – Psathyrella fimiseda1 – Psathyrella flexispora4 – Psathyrella friesii11 – Psathyrella frustulenta4 – Psathyrella fulvescens7 – Psathyrella fusca9 – Psathyrella globosivelata2 – Psathyrella gordonii8 – 【Psathyrella gracilis15（ニガクリタケモドキ）】 – Psathyrella hellebosensis2 – Psathyrella hirta10 – Psathyrella hispida1 – Psathyrella hololanigera1 – Psathyrella hydrophila7 – Psathyrella hydrophiloides3 – Psathyrella ichnusae1 – Psathyrella impexa6 – Psathyrella incerta1 – Psathyrella infida2 – Psathyrella jacobssonii1 – Psathyrella kauffmanii6 – Psathyrella kitsiana2 – Psathyrella lacuum1 – 【Psathyrella laevissima11（トビウメムササビタケ）】 – Psathyrella leucotephra13 – Psathyrella longicauda6 – Psathyrella longipes5 – Psathyrella longistriata2 – Psathyrella lutensis10 – Psathyrella maculata12 – Psathyrella madeodisca1 – Psathyrella mammifera1 – Psathyrella marquana1 – Psathyrella merdicola2 – 【Psathyrella microrhiza16（ナガネクズタケ）】 – Psathyrella microrhiza f. pumila1 – Psathyrella mucrocystis4 – Psathyrella multipedata26 – 【Psathyrella multissima15（センボンクズタケ）】 – Psathyrella murcida6 – Psathyrella narcotica1 – Psathyrella niveobadia4 – Psathyrella noli-tangere7 – Psathyrella obscurotristis1 – 【Psathyrella obtusata25（コナヨタケ）】 – Psathyrella obtusata var. aberrans1 – Psathyrella ocellata2 – Psathyrella ochracea7 – 【Psathyrella olympiana11（ブシイタチタケ）】 – Psathyrella olympiana f. amstelodamensis1 – Psathyrella olympiana f. caespitosa1 – Psathyrella opaca1 – Psathyrella orbicularis5 – Psathyrella owyheensis1 – Psathyrella palustris2 – Psathyrella panaeoloides11 – Psathyrella pannucioides4 – Psathyrella parva2 – Psathyrella parvifibrillosa1 – Psathyrella pellucidipes3 – 【Psathyrella pennata20（ヤケノヒメイタチタケ）】 – Psathyrella perpusilla1 – Psathyrella pertinax6 – 【Psathyrella piluliformis60（ムササビタケ）】 – Psathyrella polycystis2 – Psathyrella populina5 – Psathyrella potteri12 – 【Psathyrella prona16（アケボノクズタケ）】 – 【Psathyrella prona f. cana3（キラライヌセンボンタケ）】 – Psathyrella prona f. picta2 – Psathyrella prona var. utriformis1 – Psathyrella proxima2 – Psathyrella pseudocasca4 – Psathyrella pseudocorrugis8 – Psathyrella pseudogordonii3 – Psathyrella pseudogracilis11 – Psathyrella pseudovernalis2 – Psathyrella purpureobadia3 – Psathyrella pygmaea17 – Psathyrella pyrotricha12 – Psathyrella reticulata1 – Psathyrella rhodospora1 – Psathyrella rigidipes2 – Psathyrella romagnesii4 – Psathyrella romellii1 – Psathyrella rostellata3 – Psathyrella rubiginosa4 – Psathyrella rugocephala1 – Psathyrella sabuletorum1 – Psathyrella saccharinophila1 – Psathyrella sacchariolens3 – Psathyrella saponacea4 – Psathyrella sarcocephala4 – Psathyrella scatophila3 – Psathyrella seminuda1 – Psathyrella septentrionalis2 – Psathyrella seymourensis2 – Psathyrella solitaria1 – 【Psathyrella spadiceogrisea56（アシナガイタチタケ）】 – Psathyrella spadiceogrisea f. exalbicans1 – Psathyrella spadiceogrisea f. phaeophylla1 – Psathyrella sphaerocystis2 – Psathyrella sphagnicola11 – 【Psathyrella spintrigera8（ミヤマイタチタケ）】 – Psathyrella spintrigeroides6 – Psathyrella squamosa4 – Psathyrella stellata2 – Psathyrella stercoraria2 – Psathyrella storea4 – Psathyrella suavissima6 – Psathyrella subcernua2 – Psathyrella sublateritia1 – Psathyrella subnuda4 – Psathyrella subpapillata1 – Psathyrella sulcatotuberculosa2 – Psathyrella supernula4 – Psathyrella tenera3 – Psathyrella tenuicula5 – 【Psathyrella tephrophylla11（アセカキアシナガイタチタケ）】 – Psathyrella thujina2 – Psathyrella torpens1 – Psathyrella trepida1 – Psathyrella trivialis1 – Psathyrella tuberculata1 – Psathyrella typhae13 – Psathyrella uliginicola2 – Psathyrella umbonata1 – Psathyrella umbrina2 – Psathyrella variata1 – Psathyrella vernalis1 – Psathyrella vestita1 – Psathyrella vialis1 – Psathyrella vinosofulva4