Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXXXVI usque ad finem anni MDCCCCXL nonnulla etiam antea edita complectens Supplementum decimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1947)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1908)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1908)

Sendtnera : Mitteilungen der Botanischen Staatssammlung und des Instituts für Systematische Botanik der Universitat München - Botanische Staatssammlung München. (Botanische Staatssammlung München, 1996)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1880)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1884)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1905)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1905)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1905)