| Waitea circinata |
MycoBank | / Index Fungorum | / Genbank | |
| Waldemaria pernambucensis |
MycoBank | / Index Fungorum | - | |
| Wallemia ichthyophaga |
MycoBank | / Index Fungorum | / Genbank | |
| Wallemia sebi |
MycoBank | / Index Fungorum | / Genbank | |
| Wallemia sp. |
MycoBank | / Index Fungorum | - | |
| Wallemiopsis bicolorata |
- | - | - | |
| Wallrothiella subiculosa |
MycoBank | / Index Fungorum | / Genbank | |
| Waltomyces lipofer |
MycoBank | / Index Fungorum | - | |
| Wangiella dermatitidis |
MycoBank | / Index Fungorum | - | |
| Wangiella sp. |
MycoBank | / Index Fungorum | - | |
| Warcupia terrestris |
MycoBank | / Index Fungorum | / Genbank | |
| Warcupia terrestris var. minuta |
MycoBank | / Index Fungorum | - | |
| Warcupia terrestris var. terrestris |
MycoBank | / Index Fungorum | - | |
| Warcupiella spinulosa |
MycoBank | / Index Fungorum | / Genbank | |
| Wardomyces anomalus |
MycoBank | / Index Fungorum | / Genbank | |
| Wardomyces columbinus |
MycoBank | / Index Fungorum | - | |
| Wardomyces dimerus |
MycoBank | / Index Fungorum | - | |
| Wardomyces hughesii |
MycoBank | / Index Fungorum | - | |
| Wardomyces humicola |
MycoBank | / Index Fungorum | / Genbank | |
| Wardomyces inflatus |
MycoBank | / Index Fungorum | / Genbank | |
| Wardomyces moseri |
MycoBank | / Index Fungorum | - | |
| Wardomyces ovalis |
MycoBank | / Index Fungorum | - | |
| Wardomyces papillatus |
MycoBank | / Index Fungorum | - | |
| Wardomyces pulvinatus |
MycoBank | / Index Fungorum | / Genbank | |
| Wardomyces simplex |
MycoBank | / Index Fungorum | / Genbank | |
| Wardomyces variabilis |
- | - | - | |
| Wardomycopsis humicola |
MycoBank | / Index Fungorum | / Genbank | |
| Wardomycopsis inopinata |
MycoBank | / Index Fungorum | - | |
| Wawelia argentea |
MycoBank | / Index Fungorum | - | |
| Wawelia microspora |
MycoBank | / Index Fungorum | - | |
| Wawelia regia |
MycoBank | / Index Fungorum | - | |
| Waydora typica |
MycoBank | / Index Fungorum | - | |
| Wegelina discreta |
MycoBank | / Index Fungorum | - | |
| Wegelina sp. |
MycoBank | / Index Fungorum | - | |
| Wentiomyces fimbriatus |
MycoBank | / Index Fungorum | - | |
| Westerdykella cylindrica |
MycoBank | / Index Fungorum | / Genbank | |
| Westerdykella dispersa |
MycoBank | / Index Fungorum | / Genbank | |
| Westerdykella globosa |
MycoBank | / Index Fungorum | / Genbank | |
| Westerdykella multispora |
MycoBank | / Index Fungorum | / Genbank | |
| Westerdykella nigra |
MycoBank | / Index Fungorum | / Genbank | |
| Westerdykella ornata |
MycoBank | / Index Fungorum | / Genbank | |
| Westerdykella purpurea |
MycoBank | / Index Fungorum | / Genbank | |
| Westerdykella semeonovi |
- | - | - | |
| Westerdykella sexualis |
MycoBank | / Index Fungorum | - | |
| Wettsteinina carinthiaca |
MycoBank | / Index Fungorum | - | |
| Wettsteinina corni |
MycoBank | / Index Fungorum | - | |
| Wettsteinina dryadis |
MycoBank | / Index Fungorum | / Genbank | |
| Wettsteinina engadinensis |
MycoBank | / Index Fungorum | - | |
| Wettsteinina eucarpa |
MycoBank | / Index Fungorum | - | |
| Wettsteinina gigantospora |
MycoBank | / Index Fungorum | - | |
| Wettsteinina gigaspora |
MycoBank | / Index Fungorum | - | |
| Wettsteinina lacustris |
MycoBank | / Index Fungorum | / Genbank | |
| Wettsteinina macrotheca |
MycoBank | / Index Fungorum | / Genbank | |
| Wettsteinina mirabilis |
MycoBank | / Index Fungorum | - | |
| Wettsteinina pachyasca |
MycoBank | / Index Fungorum | / Genbank | |
| Whetzelinia sclerotiorum |
MycoBank | / Index Fungorum | - | |
| Whetzelinia tuberosa |
MycoBank | / Index Fungorum | - | |
| Wickerhamia fluorescens |
MycoBank | / Index Fungorum | / Genbank | |
| Wickerhamiella australiensis |
MycoBank | / Index Fungorum | / Genbank | |
| Wickerhamiella cacticola |
MycoBank | / Index Fungorum | / Genbank | |
| Wickerhamiella domercqiae |
MycoBank | / Index Fungorum | / Genbank | |
| Wickerhamiella lipophila |
MycoBank | / Index Fungorum | / Genbank | |
| Wickerhamiella occidentalis |
MycoBank | / Index Fungorum | / Genbank | |
| Wiesneriomyces conjunctosporus |
MycoBank | / Index Fungorum | - | |
| Wiesneriomyces javanicus |
MycoBank | / Index Fungorum | - | |
| Wiesneriomyces laurinus |
MycoBank | / Index Fungorum | - | |
| Wilcoxina mikolae |
MycoBank | / Index Fungorum | / Genbank | |
| Wilcoxina mikolae var. mikolae |
MycoBank | / Index Fungorum | - | |
| Wilcoxina mikolae var. tetraspora |
MycoBank | / Index Fungorum | - | |
| Wilcoxina rehmii |
MycoBank | / Index Fungorum | / Genbank | |
| Wilcoxina sp. |
MycoBank | / Index Fungorum | - | |
| Williopsis beijerinckii |
MycoBank | / Index Fungorum | / Genbank | |
| Williopsis californica |
MycoBank | / Index Fungorum | - | |
| Williopsis mrakii |
MycoBank | / Index Fungorum | - | |
| Williopsis mucosa |
- | - | / Genbank | |
| Williopsis pratensis |
MycoBank | / Index Fungorum | / Genbank | |
| Williopsis salicorniae |
MycoBank | / Index Fungorum | / Genbank | |
| Williopsis saturnus |
MycoBank | / Index Fungorum | / Genbank | |
| Williopsis saturnus var. albidus |
- | - | - | |
| Williopsis saturnus var. mrakii |
MycoBank | / Index Fungorum | - | |
| Williopsis saturnus var. sargentensis |
MycoBank | / Index Fungorum | - | |
| Williopsis saturnus var. saturnus |
MycoBank | / Index Fungorum | - | |
| Williopsis saturnus var. suaveolens |
MycoBank | / Index Fungorum | - | |
| Williopsis saturnus var. subsufficiens |
MycoBank | / Index Fungorum | - | |
| Williopsis suaveolens |
MycoBank | / Index Fungorum | - | |
| Wingea robertsiae |
- | - | - | |
| Winterella cinctula |
MycoBank | / Index Fungorum | - | |
| Wojnowicia graminis |
MycoBank | / Index Fungorum | - | |
| Wojnowicia hirta |
MycoBank | / Index Fungorum | / Genbank | |
| Wolfiporia cocos |
MycoBank | / Index Fungorum | / Genbank | |
| Wolfiporia extensa |
MycoBank | / Index Fungorum | - | |
| Wrightoporia ochrocrocea |
MycoBank | / Index Fungorum | - | |
| Wrightoporia tropicalis |
MycoBank | / Index Fungorum | / Genbank | |
| Wuestneia epispora |
MycoBank | / Index Fungorum | - | |
| Wuestneia molokaiensis |
MycoBank | / Index Fungorum | / Genbank | |
| Wynnea gigantea |
MycoBank | / Index Fungorum | - | |