Caccobolus, Cainiella, Callitosporium, Callorina, Calocera, Calocybe, Calomyxa, Calonectria, Calonema, Caloscypha, Calosphaeria, Calosporella, Calothyrium, Calvatia, Calyciopsis, Calyptella, Camarophyllopsis, Camarops, Campanella, Candelabrochaete, Cantharellula, Cantharellus, Capnodium, Capronia, Caryospora, Catathelasma, Catinella, Caudospora, Cejpomyces, Celidium, Cellypha, Cenangium, Cephalotheca, Ceraceomyces, Ceratellopsis, Ceratiomyxa, Ceratocystis, Ceratosphaeria, Ceratostomella, Cerinomyces, Ceriophora, Ceriporia, Ceriporiopsis, Cerocorticium, Cerotobasidium, Cerrena, Chaetapiospora, Chaetocalathus, Chaetomidium, Chaetomium, Chaetoporellus, Chaetosphaerella, Chaetosphaeria, Chaetothyrium, Chalciporus, Chamaemyces, Chamonixia, Chatoderma, Cheilymenia, Chlorociboria, Chlorosplenium, Choiromyces, Cholorscypha, Chondrostereum, Christiansenia, Chroogomphus, Chrysomphalia, Chrysosporium, Ciboria, Ciboriopsis, Ciliolarina, Cinereomyces, Cistella, Cladosporium, Clastoderma, Clathrospora, Clathrus, Claussenomyces, Clavaria, Clavariadelphus, Claviceps, Clavicorona, Clavulicium, Clavulina, Clavulinopsis, Climacocystis, Climacodon, Clitocybe, Clitocybula, Clitopilus, Clorociboria, Cloroscypha, Clypeolum, Clypeosphaeria, Coccomyces, Coleophoma, Coleosperma, Coleroa, Collaria, Colletotrichum, Colloderma, Collybia, Colpoma, Coltricia, Columnocystis, Colus, Comatricha, Confertobasidium, Coniochaeta, Coniophora, Conocybe, Conohypha, Coprinus, Coprobia, Coprobolus, Coprotinia, Coprotus, Cordyceps, Cornuvia, Coronicium, Coronophora, Corticirama, Corticium, Cortinarius, Cotylidia, Craterellus, Craterium, Craterocolla, Creolophus, Creopus, Crepidotus, Cribaria, Crinipellis, Cristinia, Crocicreas, Crucibulum, Crumenulopsis, Crustoderma, Crustomyces, Cryptodiaporthe, Cryptodiscus, Cryptomyces, Cryptomycina, Cryptosphaeria, Cryptosphaerina, Cryptospora, Cryptosporella, Cucurbidothis, Cucurbitaria, Cudonia, Cudoniella, Cuphophyllus, Cyathicula, Cyathipodia, Cyathus, Cylindrobasidium, Cyphellostereum, Cystobasidium, Cystoderma, Cystolepiota, Cystostereum, Cytidia, Cytidiella