Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXXXI usque ad finem anni MDCCCCXXXV complectens Supplementum nonum - Hill, Arthur William, (Sir); Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1938)
Spine title: Index Kewensis - Supplementum 9 (1931-1935).
Keywords: Nomenclature; Synonyms