- Coprinus subsect. Glabri — likely to require only a small donation
- Coprinus subsect. Hiascentes — likely to require only a small donation
- Coprinus subsect. Impatientes — likely to require only a small donation
- Coprinus subsect. Lanatuli — likely to require only a small donation
- Coprinus subsect. Narcotici — likely to require only a small donation
- Coprinus subsect. Nivei — likely to require only a small donation
- Coprinus subsect. Setulosi — likely to require only a small donation
- Coprinus subterraneus — likely to require only a small donation
- Coprinus suburticicola — likely to require only a small donation
- Coprinus sulcatocrenatus — likely to require only a small donation
- Coprinus sulcatus — likely to require only a small donation
- Coprinus sulphureus — likely to require only a small donation
- Coprinus superbus — likely to require only a small donation
- Coprinus superiusculus — likely to require only a small donation
- Coprinus sylvicola — likely to require only a small donation
- Coprinus tectisporus — likely to require only a small donation
- Coprinus tergiversans — likely to require only a small donation
- Coprinus tergiversans var. mundtii — likely to require only a small donation
- Coprinus tergiversans var. tergiversans — likely to require only a small donation
- Coprinus tomentosus var. cellaris — likely to require only a small donation
- Coprinus torquatus — likely to require only a small donation
- Coprinus trappenii — likely to require only a small donation
- Coprinus trigonosporus — likely to require only a small donation
- Coprinus umbrinus — likely to require only a small donation
- Coprinus undulatus — likely to require only a small donation
- Coprinus uspallatae — likely to require only a small donation
- Coprinus varicus — likely to require only a small donation
- Coprinus velaris — likely to require only a small donation
- Coprinus velatus — likely to require only a small donation
- Coprinus velatus f. substerilis — likely to require only a small donation
- Coprinus velatus f. velatus — likely to require only a small donation
- Coprinus vellereus — likely to require only a small donation
- Coprinus velox — likely to require only a small donation
- Coprinus verrucispermus — likely to require only a small donation
- Coprinus viarum — likely to require only a small donation
- Coprinus virgineus — likely to require only a small donation
- Coprinus volutus — likely to require only a small donation
- Coprinus vosoustii — likely to require only a small donation
- Coprinus westii — likely to require only a small donation
- Coprinus willapaensis — likely to require only a small donation
- Coprinus wrightii — likely to require only a small donation
- Coprinus xerophilus — likely to require only a small donation
- Coprinus xylophilus — likely to require only a small donation
- Coprinus xylophilus var. aemulus — likely to require only a small donation
- Coprinus xylophilus var. brunneicystidiatus — likely to require only a small donation
- Coprinus xylophilus var. criniticaulis — likely to require only a small donation
- Coprinus xylophilus var. fibuliger — likely to require only a small donation
- Coprinus xylophilus var. obesicystidiatus — likely to require only a small donation
- Coprinus xylophilus var. phaseolisporus — likely to require only a small donation
- Coprinus xylophilus var. xylophilus — likely to require only a small donation
- Cora accipiter — likely to require a low level of donation
- Cora applanata — likely to require a low level of donation
- Cora arachnodavidea — likely to require a low level of donation
- Cora arachnoidea — likely to require a low level of donation
- Cora arborescens — likely to require a low level of donation
- Cora arcabucana — likely to require a low level of donation
- Cora aspera — likely to require a low level of donation
- Cora aturucoa — likely to require a low level of donation
- Cora auriculeslia — likely to require a low level of donation
- Cora barbifera — likely to require a low level of donation
- Cora barbulata — likely to require a low level of donation
- Cora boleslia — likely to require a low level of donation
- Cora byssoidea — likely to require a low level of donation
- Cora caliginosa — likely to require a low level of donation
- Cora campestris — likely to require a low level of donation
- Cora canari — likely to require a low level of donation
- Cora caraana — likely to require a low level of donation
- Cora casanarensis — likely to require a low level of donation
- Cora casasolana — likely to require a low level of donation
- Cora caucensis — likely to require a low level of donation
- Cora celestinoa — likely to require a low level of donation
- Cora comaltepeca — likely to require a low level of donation
- Cora corani — likely to require a low level of donation
- Cora corelleslia — likely to require a low level of donation
- Cora crispoleslia — likely to require a low level of donation
- Cora cuzcoensis — likely to require a low level of donation
- Cora cyphellifera — likely to require a low level of donation
- Cora dalehana — likely to require a low level of donation
- Cora davibogotana — likely to require a low level of donation
- Cora davicrinita — likely to require a low level of donation
- Cora davidia — likely to require a low level of donation
- Cora dewisanti — likely to require a low level of donation
- Cora dulcis — likely to require a low level of donation
- Cora elephas — likely to require a low level of donation
- Cora fimbriata — likely to require a low level of donation
- Cora fuscodavidiana — likely to require a low level of donation
- Cora galapagoensis — likely to require a low level of donation
- Cora garagoa — likely to require a low level of donation
- Cora gigantea — likely to require a low level of donation
- Cora gomeziana — likely to require a low level of donation
- Cora guajalitensis — likely to require a low level of donation
- Cora gyrolophia — likely to require a low level of donation
- Cora hafecesweorthensis — likely to require a low level of donation
- Cora haledana — likely to require a low level of donation
- Cora hawksworthiana — likely to require a low level of donation
- Cora hochesuordensis — likely to require a low level of donation
- Cora hymenocarpa — likely to require a low level of donation
- Cora imi — likely to require a low level of donation
- Cora inversa — likely to require a low level of donation
- Cora itabaiana — likely to require a low level of donation
- Cora leslactuca — likely to require a low level of donation
- Cora maxima — likely to require a low level of donation
- Cora minutula — likely to require a low level of donation
- Cora nitida — likely to require a low level of donation
- Cora palaeotropica — likely to require a low level of donation
- Cora palustris — likely to require a low level of donation
- Cora parabovei — likely to require a low level of donation
- Cora paraciferrii — likely to require a low level of donation
- Cora paraminor — likely to require a low level of donation
- Cora pastorum — likely to require a low level of donation
- Cora pavonia — likely to require a low level of donation
- Cora pavonia f. pavonia — likely to require a low level of donation
- Cora pavonia f. umbilicalis — likely to require a low level of donation
- Cora pavonia var. pavonia — likely to require a low level of donation
- Cora pavonia var. umbilicalis — likely to require a low level of donation
- Cora pichinchensis — likely to require a low level of donation
- Cora pikynasa — likely to require a low level of donation
- Cora pseudobovei — likely to require a low level of donation
- Cora pseudocorani — likely to require a low level of donation
- Cora putumayensis — likely to require a low level of donation
- Cora quillacinga — likely to require a low level of donation
- Cora rothesiorum — likely to require a low level of donation
- Cora rubrosanguinea — likely to require a low level of donation
- Cora sanctae-helenae — likely to require a low level of donation
- Cora santacruzensis — likely to require a low level of donation
- Cora schizophylloides — likely to require a low level of donation
- Cora setosa — likely to require a low level of donation
- Cora smaragdina — likely to require a low level of donation
- Cora soredavidia — likely to require a low level of donation
- Cora squamiformis — likely to require a low level of donation
- Cora strigosa — likely to require a low level of donation
- Cora subdavicrinita — likely to require a low level of donation
- Cora suturifera — likely to require a low level of donation
- Cora terrestris — likely to require a low level of donation
- Cora terricoleslia — likely to require a low level of donation
- Cora textilis — likely to require a low level of donation
- Cora tomentosa — likely to require a low level of donation
- Cora trindadensis — likely to require a low level of donation
- Cora udebeceana — likely to require a low level of donation
- Cora undulata — likely to require a low level of donation
- Cora urceolata — likely to require a low level of donation
- Cora verjonensis — likely to require a low level of donation
- Cora viliewoa — likely to require a low level of donation
- Cora yukiboa — likely to require a low level of donation
- Coraemyces pavoniae — likely to require a low level of donation
- Coralloderma acroleucum — likely to require a low level of donation
- Coralloderma guzmanii — likely to require a low level of donation
- Coralloderma nigripes — likely to require a low level of donation
- Corallofungus argenteus — likely to require a low level of donation
- Corallofungus hatakeyamanus — likely to require a low level of donation
- Coralloides amethystina — likely to require a low level of donation
- Coralloides hystricis — likely to require a low level of donation
- Coralloides hystricis f. hystricis — likely to require a low level of donation
- Coralloides luteola — likely to require a low level of donation
- Coralloides paschale — likely to require a low level of donation
- Corditubera bovonei — likely to require a low level of donation
- Corditubera gallica — likely to require a low level of donation
- Corditubera kivuensis — likely to require a low level of donation
- Corditubera microspora — likely to require a low level of donation
- Corditubera romagnesii — likely to require a low level of donation
- Corditubera spinispora — likely to require a low level of donation
- Corditubera staudtii — likely to require a low level of donation
- Cordochaete cystidiata — likely to require a low level of donation
- Coriolellus colliculosus — likely to require a low level of donation
- Coriolellus colliculosus var. colliculosus — likely to require a low level of donation
- Coriolellus colliculosus var. salicisedus — likely to require a low level of donation
- Coriolellus delbustoi — likely to require a low level of donation
- Coriolellus kusanoi — likely to require a low level of donation
- Coriolellus sinuascens — likely to require a low level of donation
- Coriolopsis albobadia — likely to require a low level of donation
- Coriolopsis antleroides — likely to require a low level of donation
- Coriolopsis aspera — likely to require a low level of donation
- Coriolopsis badia — likely to require a low level of donation
- Coriolopsis bataanensis — likely to require a low level of donation
- Coriolopsis brunneoleuca — likely to require a low level of donation
- Coriolopsis burchellii — likely to require a low level of donation
- Coriolopsis byrsina — likely to require a low level of donation
- Coriolopsis caperata — likely to require a low level of donation
- Coriolopsis daedaleoides — likely to require a low level of donation
- Coriolopsis floccosa — likely to require a low level of donation
- Coriolopsis fumosa — likely to require a low level of donation
- Coriolopsis gallica — likely to require a low level of donation
- Coriolopsis glabrorigens — likely to require a low level of donation
- Coriolopsis helvola — likely to require a low level of donation
- Coriolopsis hostmannii — likely to require a low level of donation
- Coriolopsis luteo-olivacea — likely to require a low level of donation
- Coriolopsis luteola — likely to require a low level of donation
- Coriolopsis neaniscus — likely to require a low level of donation
- Coriolopsis occidentalis — likely to require a low level of donation
- Coriolopsis phaea — likely to require a low level of donation
- Coriolopsis phocina — likely to require a low level of donation
- Coriolopsis pruinata — likely to require a low level of donation
- Coriolopsis psila — likely to require a low level of donation
- Coriolopsis strumosa — likely to require a low level of donation
- Coriolopsis suberosifusca — likely to require a low level of donation
- Coriolopsis taylorii — likely to require a low level of donation
- Coriolopsis telfairii — likely to require a low level of donation
- Coriolopsis telfarii — likely to require a low level of donation
- Coriolopsis tuberculata — likely to require a low level of donation
- Coriolopsis turgida — likely to require a low level of donation
- Coriolus albovestidus — likely to require a low level of donation
- Coriolus antarcticus — likely to require a low level of donation
- Coriolus arenicolor — likely to require a low level of donation
- Coriolus armenicolor — likely to require a low level of donation
- Coriolus armoraceus — likely to require a low level of donation
- Coriolus authochton — likely to require a low level of donation
- Coriolus brevis — likely to require a low level of donation
- Coriolus brunneolus — likely to require a low level of donation
- Coriolus caesioflavus — likely to require a low level of donation
- Coriolus cingulatus — likely to require a low level of donation
- Coriolus concavus — likely to require a low level of donation
- Coriolus cubensis — likely to require a low level of donation
- Coriolus cyphelloides — likely to require a low level of donation
- Coriolus depauperatus — likely to require a low level of donation
- Coriolus drummondii — likely to require a low level of donation
- Coriolus dusenii — likely to require a low level of donation
- Coriolus epileucus — likely to require a low level of donation
- Coriolus fernandesianus — likely to require a low level of donation
- Coriolus fernandezianus — likely to require a low level of donation
- Coriolus fibula — likely to require a low level of donation
- Coriolus gallopavonis — likely to require a low level of donation
- Coriolus haedinus — likely to require a low level of donation
- Coriolus hirsutulus — likely to require a low level of donation
- Coriolus hirtellus — likely to require a low level of donation
- Coriolus insularis — likely to require a low level of donation
- Coriolus irpiciformis — likely to require a low level of donation
- Coriolus kurzii — likely to require a low level of donation
- Coriolus leiodermus — likely to require a low level of donation
- Coriolus lutescens — likely to require a low level of donation
- Coriolus maublancii — likely to require a low level of donation
- Coriolus membranaceus — likely to require a low level of donation
- Coriolus molliusculus — likely to require a low level of donation
- Coriolus neaniscus — likely to require a low level of donation
- Coriolus nigrescens — likely to require a low level of donation
- Coriolus pavonius — likely to require a low level of donation
- Coriolus pectunculus — likely to require a low level of donation
- Coriolus peradeniae — likely to require a low level of donation
- Coriolus pictilis — likely to require a low level of donation
- Coriolus radiatorugosus — likely to require a low level of donation
- Coriolus rubritinctus — likely to require a low level of donation
- Coriolus scutatus — likely to require a low level of donation
- Coriolus sect. Coriolus — likely to require a low level of donation
- Coriolus simulans — likely to require a low level of donation
- Coriolus simulans var. borealis — likely to require a low level of donation
- Coriolus simulans var. simulans — likely to require a low level of donation
- Coriolus sinulosus — likely to require a low level of donation
- Coriolus sobrius — likely to require a low level of donation
- Coriolus sprucei — likely to require a low level of donation
- Coriolus subcaperatus — likely to require a low level of donation
- Coriolus subluteus — likely to require a low level of donation
- Coriolus tenuispinifer — likely to require a low level of donation
- Coriscium japonicum — likely to require a low level of donation
- Coriscium neozelandicum — likely to require a low level of donation
- Corneriella indica — likely to require a low level of donation
- Corneroporus subcitrinus — likely to require a low level of donation
- Coronicium alboglaucum — likely to require a low level of donation
- Coronicium gemmiferum — likely to require a low level of donation
- Coronicium molokaiense — likely to require a low level of donation
- Coronicium proximum — likely to require a low level of donation
- Coronicium thymicola — likely to require a low level of donation
- Corrugaria viridiflava — likely to require only a small donation
- Corticirama berchtesgadensis — likely to require a low level of donation
- Corticirama petrakii — likely to require a low level of donation
- Corticium abeuns — likely to require a low level of donation
- Corticium acerinum — likely to require a low level of donation
- Corticium adhaesum — likely to require a low level of donation
- Corticium adiposum — likely to require a low level of donation
- Corticium agglutinans — likely to require a low level of donation
- Corticium albidocarneum — likely to require a low level of donation
- Corticium albidocremeum — likely to require a low level of donation
- Corticium albidum — likely to require a low level of donation
- Corticium albovirescens — likely to require a low level of donation
- Corticium album — likely to require a low level of donation
- Corticium ambiens — likely to require a low level of donation
- Corticium amyloideum — likely to require a low level of donation
- Corticium anthochroum — likely to require a low level of donation
- Corticium apiculatum — likely to require a low level of donation
- Corticium appalachiense — likely to require a low level of donation
- Corticium archeri — likely to require a low level of donation
- Corticium areolatum — likely to require a low level of donation
- Corticium argentatum — likely to require a low level of donation
- Corticium aschistum — likely to require a low level of donation
- Corticium atkinsonii — likely to require a low level of donation
- Corticium atrocinereum — likely to require a low level of donation
- Corticium auberianum — likely to require a low level of donation
- Corticium aurantioroseum — likely to require a low level of donation
- Corticium aureolum — likely to require a low level of donation
- Corticium aureum — likely to require a low level of donation
- Corticium auriforme — likely to require a low level of donation
- Corticium bambusae — likely to require a low level of donation
- Corticium basale — likely to require a low level of donation
- Corticium baudysii — likely to require a low level of donation
- Corticium berkeleyanum — likely to require a low level of donation
- Corticium berkeleyi — likely to require a low level of donation
- Corticium boltonii — likely to require a low level of donation
- Corticium borbonicum — likely to require a low level of donation
- Corticium boreoroseum — likely to require a low level of donation
- Corticium botryohypochnoideum — likely to require a low level of donation
- Corticium bourdotii — likely to require a low level of donation
- Corticium brinkmannii — likely to require a low level of donation
- Corticium brownii — likely to require a low level of donation
- Corticium bullatum — likely to require a low level of donation
- Corticium bupleuri — likely to require a low level of donation
- Corticium byssinum — likely to require a low level of donation
- Corticium byssinum var. byssinum — likely to require a low level of donation
- Corticium cacaoicolor — likely to require a low level of donation
- Corticium caesalpiniae — likely to require a low level of donation
- Corticium caesium — likely to require a low level of donation
- Corticium calceum — likely to require a low level of donation
- Corticium camelinum — likely to require a low level of donation
- Corticium canfieldii — likely to require a low level of donation
- Corticium canum — likely to require a low level of donation
- Corticium carbonaceum — likely to require a low level of donation
- Corticium centrifugum — likely to require a low level of donation
- Corticium centrifugum var. centrifugum — likely to require a low level of donation
- Corticium centrifugum var. olivellum — likely to require a low level of donation
- Corticium centrifugum var. soredioides — likely to require a low level of donation
- Corticium ceraceum — likely to require a low level of donation
- Corticium cerebrinum — likely to require a low level of donation
- Corticium chalybaeum — likely to require a low level of donation
- Corticium chartaceum — likely to require a low level of donation
- Corticium chlamydosporium — likely to require a low level of donation
- Corticium chlorascens — likely to require a low level of donation
- Corticium chusqueae — likely to require a low level of donation
- Corticium ciliatum — likely to require a low level of donation
- Corticium cinerascens — likely to require a low level of donation
- Corticium cinereocarneum — likely to require a low level of donation
- Corticium cinnabarinum — likely to require a low level of donation
- Corticium cinnamomeum — likely to require a low level of donation
- Corticium colliculosum — likely to require a low level of donation
- Corticium comabense — likely to require a low level of donation
- Corticium compactum — likely to require a low level of donation
- Corticium confine — likely to require a low level of donation
- Corticium conigenum — likely to require a low level of donation
- Corticium consimile — likely to require a low level of donation
- Corticium contiguum — likely to require a low level of donation
- Corticium contractum — likely to require a low level of donation
- Corticium corneum — likely to require a low level of donation
- Corticium corni — likely to require a low level of donation
- Corticium cremeoalbidum — likely to require a low level of donation
- Corticium cremonicolor — likely to require a low level of donation
- Corticium cremor — likely to require a low level of donation
- Corticium cremorinum — likely to require a low level of donation
- Corticium cretaceum — likely to require a low level of donation
- Corticium crispatum — likely to require a low level of donation
- Corticium crustulinum — likely to require a low level of donation
- Corticium cultum — likely to require a low level of donation
- Corticium dealbans — likely to require a low level of donation
- Corticium decolorans — likely to require a low level of donation
- Corticium deflectens — likely to require a low level of donation
- Corticium deglubens — likely to require a low level of donation
- Corticium degreanum — likely to require a low level of donation
- Corticium dendriticum — likely to require a low level of donation
- Corticium diaphanum — likely to require a low level of donation
- Corticium dovrense — likely to require a low level of donation
- Corticium durangense — likely to require a low level of donation
- Corticium effusum — likely to require a low level of donation
- Corticium efibulatum — likely to require a low level of donation
- Corticium eichelbaumii — likely to require a low level of donation
- Corticium elevatum — likely to require a low level of donation
- Corticium endovirgatum — likely to require a low level of donation
- Corticium endoxylon — likely to require a low level of donation
- Corticium endoxylum — likely to require a low level of donation
- Corticium erikssonii — likely to require a low level of donation
- Corticium evolvens var. laxum — likely to require a low level of donation
- Corticium fagineum — likely to require a low level of donation
- Corticium farctum — likely to require a low level of donation
- Corticium farinellum — likely to require a low level of donation
- Corticium fenestratum — likely to require a low level of donation
- Corticium ferax — likely to require a low level of donation
- Corticium ferraginesis — likely to require a low level of donation
- Corticium flammans — likely to require a low level of donation
- Corticium flaveolum — likely to require a low level of donation
- Corticium flavicans — likely to require a low level of donation
- Corticium flavidum — likely to require a low level of donation
- Corticium flavorubens — likely to require a low level of donation
- Corticium flavovirens — likely to require a low level of donation
- Corticium floridense — likely to require a low level of donation
- Corticium foetidum — likely to require a low level of donation
- Corticium friesii — likely to require a low level of donation
- Corticium fugax — likely to require a low level of donation
- Corticium galactites — likely to require a low level of donation
- Corticium geochroum — likely to require a low level of donation
- Corticium geophilum — likely to require a low level of donation
- Corticium gilvidum — likely to require a low level of donation
- Corticium globosum — likely to require a low level of donation
- Corticium gloeosporum — likely to require a low level of donation
- Corticium gramineum — likely to require a low level of donation
- Corticium graminicola — likely to require a low level of donation
- Corticium granulatum — likely to require a low level of donation
- Corticium griseoeffusum — likely to require a low level of donation
- Corticium guttuliferum — likely to require a low level of donation
- Corticium haloxyli — likely to require a low level of donation
- Corticium helianthi — likely to require a low level of donation
- Corticium helvolum — likely to require a low level of donation
- Corticium henningsii — likely to require a low level of donation
- Corticium hepaticum — likely to require a low level of donation
- Corticium heterosporum — likely to require a low level of donation
- Corticium hinnuleum — likely to require a low level of donation
- Corticium humphreyi — likely to require a low level of donation
- Corticium hydnatinum — likely to require a low level of donation
- Corticium hypochnoideum — likely to require a low level of donation
- Corticium hypochroum — likely to require a low level of donation
- Corticium hypophyllum — likely to require a low level of donation
- Corticium hypopyrrhinum — likely to require a low level of donation
- Corticium ianthinum — likely to require a low level of donation
- Corticium improvisum — likely to require a low level of donation
- Corticium incanum — likely to require a low level of donation
- Corticium incarnatum — likely to require a low level of donation
- Corticium inconspicuum — likely to require a low level of donation
- Corticium insidiosum — likely to require a low level of donation
- Corticium interruptum — likely to require a low level of donation
- Corticium invisum — likely to require a low level of donation
- Corticium involucrum — likely to require a low level of donation
- Corticium ionides var. dealbatum — likely to require a low level of donation
- Corticium ionides var. ionides — likely to require a low level of donation
- Corticium irrigatum — likely to require a low level of donation
- Corticium isabellinum — likely to require a low level of donation
- Corticium jacksonii — likely to require a low level of donation
- Corticium jaganicum — likely to require a low level of donation
- Corticium jamaicense — likely to require a low level of donation
- Corticium javanicum — likely to require a low level of donation
- Corticium juniperinum — likely to require a low level of donation
- Corticium juniperophilum — likely to require a low level of donation
- Corticium kalchbrenneri — likely to require a low level of donation
- Corticium kauri — likely to require a low level of donation
- Corticium koleroga — likely to require a low level of donation
- Corticium lacteum — likely to require a low level of donation
- Corticium lacteum f. lacteum — likely to require a low level of donation
- Corticium lacteum var. lacteum — likely to require a low level of donation
- Corticium laeve — likely to require a low level of donation
- Corticium latum — likely to require a low level of donation
- Corticium laxum — likely to require a low level of donation
- Corticium leprosum — likely to require a low level of donation
- Corticium lianacola — likely to require a low level of donation
- Corticium lignigenum — likely to require a low level of donation
- Corticium lilaceum — likely to require a low level of donation
- Corticium lilacinoroseum — likely to require a low level of donation
- Corticium lindavianum — likely to require a low level of donation
- Corticium liquidambaris — likely to require a low level of donation
- Corticium lloydii — likely to require a low level of donation
- Corticium lombardiae — likely to require a low level of donation
- Corticium maculatum — likely to require a low level of donation
- Corticium majusculum — likely to require a low level of donation
- Corticium malagasoroseum — likely to require a low level of donation
- Corticium malagosoroseum — likely to require a low level of donation
- Corticium marescalchianum — likely to require a low level of donation
- Corticium marianum — likely to require a low level of donation
- Corticium meridioroseum — likely to require a low level of donation
- Corticium mexicanum — likely to require a low level of donation
- Corticium microscopicum — likely to require a low level of donation
- Corticium miniatum — likely to require a low level of donation
- Corticium minnsiae — likely to require a low level of donation
- Corticium mississippiense — likely to require a low level of donation
- Corticium modestum — likely to require a low level of donation
- Corticium mollerianum — likely to require a low level of donation
- Corticium molluginis — likely to require a low level of donation
- Corticium mucidum — likely to require a low level of donation
- Corticium murrillii — likely to require a low level of donation
- Corticium muscigenum — likely to require a low level of donation
- Corticium mutabile — likely to require a low level of donation
- Corticium nespori — likely to require a low level of donation
- Corticium obsoletum — likely to require a low level of donation
- Corticium ochraceolividum — likely to require a low level of donation
- Corticium ochrofarctum — likely to require a low level of donation
- Corticium ochroleucum — likely to require a low level of donation
- Corticium ochroleucum var. erimosum — likely to require a low level of donation
- Corticium ochroleucum var. ochroleucum — likely to require a low level of donation
- Corticium ochroleucum var. spumeum — likely to require a low level of donation
- Corticium ochthodes — likely to require a low level of donation
- Corticium omnivorum — likely to require a low level of donation
- Corticium orbiculare — likely to require a low level of donation
- Corticium oryzicola — likely to require a low level of donation
- Corticium otagense — likely to require a low level of donation
- Corticium overholtsii — likely to require a low level of donation
- Corticium pactolinum — likely to require a low level of donation
- Corticium pallens — likely to require a low level of donation
- Corticium pampeanum — likely to require a low level of donation
- Corticium paniculatum — likely to require a low level of donation
- Corticium papyraceum — likely to require a low level of donation
- Corticium paradoxum — likely to require a low level of donation
- Corticium passerinii — likely to require a low level of donation
- Corticium pausiacum — likely to require a low level of donation
- Corticium pelliculare var. merulioides — likely to require a low level of donation
- Corticium pelliculare var. pelliculare — likely to require a low level of donation
- Corticium pellucidum — likely to require a low level of donation
- Corticium penicillatum — likely to require a low level of donation
- Corticium perenne — likely to require a low level of donation
- Corticium peroxydatum — likely to require a low level of donation
- Corticium peziziforme — likely to require a low level of donation
- Corticium pezizoideum — likely to require a low level of donation
- Corticium pilosum — likely to require a low level of donation
- Corticium pini — likely to require a low level of donation
- Corticium pinicola f. lignatilis — likely to require a low level of donation
- Corticium platani — likely to require a low level of donation
- Corticium praetervisum — likely to require a low level of donation
- Corticium pruni — likely to require a low level of donation
- Corticium pteridophilum — likely to require a low level of donation
- Corticium pubescens — likely to require a low level of donation
- Corticium quercicola — likely to require a low level of donation