| Wickerhamia fluorescens Soneda 1960 |
| Y-1465 Type | < -- CBS 4565. Dung of a wild squirrel, Japan. |
| | (Medium 9, 25°C, F-3, S-4) |
| Wickerhamiella domercqiae van der Walt 1973 |
| Y-724 Type | <-- van der Walt J.P. Received as Torulopsis domercqii |
| | van der Walt et van Kerken 1960 Type strain. Wine vat, |
| | Western Cape, South Africa. (Medium 9, 25°C, F-3, S-4) |
| Williopsis beijrinckii (van der Walt 1957) Naumov et Vustin 1981 |
| Y-2551 Type | < -- Naumov G.I., VNIIgenetica. Synonym: Hansenula |
| | beijerinckii van der Walt 1957 Type strain. Soil, South |
| | Africa. (Medium 9, 25°C, F-3, S-4) |
| Williopsis mrakii (Wickerham 1951) Krassilnikov 1954 |
| Y-173 Type | <-- CBS 1707 (VKM Y-2138, 2142). Received as Hansenula |
| | mrakii Wickerham 1951 Type strain. Soil, New Guinea. |
| | (Medium 9, 25°C, F-3, S-4) |
| Williopsis mucosa (Wickerham et Kurtzman 1971) Kurtzman 1991 |
| Y-2086 Type | < -- CCY 39-38-1 (VKM Y-2139). Received as Pichia |
| | mucosa Wickerham et Kurtzman 1971 Type strain. Forest soil, |
| | Illinois, USA. (Medium 9, 25°C, F-3, S-4) |
| Williopsis sargentensis (Wickerham et Kurtzman 1971) Naumov 1987 |
| Y-2087 Type | < -- CCY 39-39-1 (VKM Y-2140). Received as Pichia |
| | sargentensis Wickerham et Kurtzman 1971 Type strain. Fresh |
| | water, New Hampshire, USA. (Medium 9, 25°C, F-3, S-4) |
| Williopsis saturnus (Klocker 1902) Zender 1925 |
| Y-1403 | < -- Bojdin J., Univ. Lyon. Received as Hansenula |
| | coprophila Soneda 1959 Type strain. Elephant dung, Zoo, |
| | Ueno, Japan. (Medium 9, 25°C, F-3, S-4)
|
| Y-2552 Neotype | <-- Naumov G.I., VNIIgenetica (VKM Y-2219) Soil. |
| | (Medium 9, 25°C, F-3, S-4) |
| Williopsis suaveolens (Klocker 1912) Naumov, Vustin et Babjeva 1985 |
| Y-1899 | < -- Received as Hansenula suaveolens (Kloecker 1912) |
| | Stelling-Dekker 1931. Fermenting grape juice, Њ®ldavia. |
| | (Medium 9, 25°C, F-3, S-4) |
| Williopsis subsufficiens (Wickerham 1969) Vustin, Naumov et Babjeva 1982 |
| Y-2220 Type | < -- Babjeva I.P., KBP MGU. Received as Hansenula |
| | saturnus (Klocker 1902) H. et P. Sydow 1919 var. |
| | subsufficiens Wickerham 1969 Type strain. Soil, Liberia. |
| | (Medium 9, 25°C, F-3, S-4) |
| Xanthophyllomyces dendrorhous Golubev 1995 |
| Y-2059 | < -- Golubev W.I., IBPhM. Received as Phaffia rhodozyma |
| | Miller, Yoneyama et Soneda 1976. Slime flux of birch, |
| | Pushchino, Moscow region, Russia. (Medium 9, 20°C, F-3, S- |
| | 4) |
| Y-2266 | < -- Golubev W.I., IBPhM. Received as Phaffia rhodozyma |
| | Miller, Yoneyama et Soneda 1976. Slime flux of birch, |
| | Pushchino, Moscow region, Russia. (Medium 9, 20°C, F-3, S- |
| | 4) |
| Y-2268 | < -- Golubev W.I., IBPhM. Received as Phaffia rhodozyma |
| | Miller, Yoneyama et Soned 1976. Slime flux of birch, |
| | Pushchino, Moscow region, Russia. (Medium 9, 20°C, F-3, S- |
| | 4) |
| Y-2269 | < -- Golubev W.I., IBPhM. Received as Phaffia rhodozyma |
| | Miller, Yoneyama et Soneda 1976. Slime flux of birch, |
| | Pushchino, Moscow region, Russia. (Medium 9, 20°C, F-3, S- |
| | 4) |
| Y-2271 | < -- Golubev W.I., IBPhM. Received as Phaffia rhodozyma |
| | Miller, Yoneyama et Soneda 1976. Slime flux of birch, |
| | Pushchino, Moscow region, Russia. (Medium 9, 20°C, F-3, S- |
| | 4) |
| Y-2273 | < -- Golubev W.I., IBPhM. Received as Phaffia rhodozyma |
| | Miller, Yoneyama et Soneda 1976. Slime flux of birch, |
| | Pushchino, Moscow region, Russia. (Medium 9, 20°C, F-3, S- |
| | 4) |
| Y-2274 | < -- Golubev W.I., IBPhM. <-- UCD 67-210, Phaff H.J. |
| | Received as Phaffia rhodozyma Miller, Yoneyama et Soneda |
| | 1976 Type strain. Slime flux of Fagus crenata, Japan. |
| | (Medium 9, 20°C, F-3, S-4) |
| Y-2786 Type | < -- Golubev W.I., IBPhM. Slime flux of Betula |
| | verrucosa, Pushchino, Moscow region, Russia. (Medium 9, |
| | 20°C, F-3, S-4) |
| Y-2789 | < -- UCD 67-203, Phaff H.J., Univ. California. Received |
| | as Phaffia rhodozyma Miller, Yoneyama et Soneda 1976. Slime |
| | flux of Cornus brachypoda, Hokkaido, Japan. (Medium 9, |
| | 20°C, F-3, S-4) |
| Y-2790 | < -- UCD 67-383, Phaff H.J., Univ. California. Received |
| | as Phaffia rhodozyma Miller, Yoneyama et Soneda 1976. Slime |
| | flux of Alnus japonica, Hokkaido, Japan. (Medium 9, 20°C, F- |
| | 3, S-4) |
| Y-2791 | < -- UCD 67-385, Phaff H.J., Univ. California. Received |
| | as Phaffia rhodozyma Miller, Yoneyama et Soneda 1976. Slime |
| | flux of Betula tauschii, Hokkaido, Japan. (Medium 9, 20°C, |
| | F-3, S-4) |
| Y-2792 | < -- UCD 67-484, Phaff H.J., Univ. California. Received |
| | as Phaffia rhodozyma Miller, Yoneyama et Soneda 1976. Slime |
| | flux of Betula maximowicziana, Hokkaido, Japan. (Medium 9, |
| | 20°C, F-3, S-4) |
| Y-2793 | < -- CBS 6938. Received as Phaffia rhodozyma Miller, |
| | Yoneyama et Soneda 1976. Slime flux of Betula sp., Finland. |
| | (Medium 9, 20°C, F-3, S-4) |
| Y-2814 | < -- UCD 68-655C, Phaff H.J., Univ. California. |
| | Received as Phaffia rhodozyma Miller, Yoneyama, et Soneda |
| | 1976. Betula sp., Alaska, USA. (Medium 9, 20°C, F-3, S-4) |
