Kudrjavzev, V.I. 1960: Botanicheskie Materialy Otdela Sporovykh Rastenii Botanicheskogo Instituta imeni V.L.Komarova, Akademii Nauk SSSR 13
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| Kudrjavzev, V.I. 1960: Botanicheskie Materialy Otdela Sporovykh Rastenii Botanicheskogo Instituta imeni V.L.Komarova, Akademii Nauk SSSR 13 |