Flora et Systematica Plantae Vasculares. 1958. (Acta Instituti Botanici nomine V.L.Komarovii Academiae Scientiarum Unionis Rerum Publicarum Sovieticarum Socialisticarum, Series 1, Fasc. 12). 5 pls. 199 p. gr8vo. Hardcover.- In Russian with Latin nomenclature and Latin species index.