| | Russula brevipes acrior Shaffer, Mycologia 56:223 1964 |
| | Russula brevipes brevipes Peck, NY St. Mus. Ann. Rept., 43:20 1890 |
| | Russula brunneola Burlingham, North American Flora 9:233, 1915. |
| | Russula cascadensis Shaffer, Mycologia 56: 212, figs. 5, 8, 11. 1964. |
| | Russula cyanoxantha Schaeffer ex Fries, Hymen. Eur. Ed. 2:446. 1872. |
| | Russula decolorans (Fries) Fries, Systema Mycologicum, 1821. |
| | Russula densifolia forma cremeispora Schaffer, Brittonia 14:276. 1962 |
| | Russula dissimulans Shaffer, Brittonia 14: 267, pl. 10, figs. 7, 15. 1962. |
| | Russula emetica Fr., Syst. mycol. (Lundae) 1: 56 (1821) |
| | Russula emetica emetica (Schaeffer ex Fries) Persoon ex S.F.Gray, Nat. Arr. Brit. Pl.1:618. 1821. |
| | Russula emetica fragilis (Pers:Fr)Quèl. 1888 |
| | Russula foetens Fries, Systema Mycologicum, 1821. |
| | Russula fragilis (Persoon ex Fries) Fries, Fr. Epicr. ,359. 1838 |
| | Russula fragrantissima Romagnesi, Les Russules d'Europe et d'Afrique du Nord. P.348. 1967. |
| | Russula krombholtzii ! Schaffer |
| | Russula laurocerasi Meltzer, Arch. Prir. Vyzk. C. 17(4): 99. 1927. |
| | Russula maxima Burlingham, N. Am. Fl. 9: 229. 1915. |
| | Russula mustelina Fries, Epicr. Myc. 351. 1838. |
| | Russula nauseosa ! (Persoon ex Secrétan) Fries |
| | Russula nigricans (Bulliard) Fries, Epicrisis, 350. 1838. |
| | Russula occidentalis (Singer) Singer, Lilloa 22: 705. 1951. |
| | Russula olivacea (Schaeffer ex Secrétan) Fries, Epicrisis Mycologici, 356. 1838. |
| | Russula peckii ! Singer, 1943 |
| | Russula pectinata ! (Bulliard ex St-Amans) Fries |
| | Russula pelargonia Niolle, Ann. Mycol. 39-66. 1941. |
| | Russula placita Burlingham, Mycologia 28: 253, 1936. |
| | Russula rosea Quelet, Enchr. Fung., p134. 1886. |
| | Russula sanguinea (Bull) Fries, Epicr. Mycol., 351. 1838. |
| | Russula silvicola Shaffer, Nova Hedwigia 51:229-234. 1975 |
| | Russula species (Persoon ex Fries) S.F.Gray, A Natural Arraingment of British Plants, pl. 1: 618. 1821. |
| | Russula species Copper gill, fall (Persoon ex Fries) Gray |
| | Russula vinosa occidentalis Singer, Pap. Mich. Acad. Sci. 32:114. 1949 |
| | Russula virescens (Schaeffer ex Zantedechi) Fries, Epicrisis, 1836-38. |
| | Russula xerampelina (Schaeffer ex Secrétan) Fries, Epicr. Mycol. 356. 1838. |
| | Schizophyllales |
| | Schizophyllaceae |
| | Henningsomyces candidus (Persoon ex Fries) Kuntze, Rev. Genarum Plantarum 3(2): 483. 1898. |
| | Rectipilus idahoensis (W.B.Cooke) Agerer, Persoonia 7: 424. 1973 |
| | Schizophyllum commune Fries ex Fries, Obsv. Mycol. 1: 103. 1815. |
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