Index kewensis plantarum phanerogamarum nomina et synonyma omnium generum et specierum a Linnaeo usque ad annum 1885 complectens nomine recepto auctore patria unicuique plantae subjectis. Supplementum, nomina et synonyma omnium generum et specierum - Royal Botanic Gardens, Kew. (E prelo Clarendoniano, 1901)

Index of mosses : a catalog of the names and citations for new taxa, combinations, and names for mosses published during the years 1999 through 2001, inclusive, with citations of previously published basionyms and replaced names together with a bibliography of the publications in which these nova appeared - Magill, Robert E. (Missouri Botanical Garden, 2004)

Index of mosses : a catalog of the names and citations for new taxa, combinations, and names for mosses published during the years 1996 through 1998, inclusive, with citations of previously published basionyms and replaced names together with a bibliography of the publications in which these nova appeared - Crosby, Marshall R. (Missouri Botanical Garden, 2000)

Index of mosses : a catalog of the names and citations for new taxa, combinations, and names for mosses published during the years 1963 through 1989 with citations of previously published basionyms and replaced names, together with lists of the names of authors of the names and lists of names of publications used in the citations - Magill, Robert E. (Missouri Botanical Garden, 1992)

Index of plants. 1912 - Anderson, James Webster. (Printed at the Methodist Publishing House, 1912)

Index plantarum Japonicarum, sive, Enumeratio plantarum omnium ex insulis Kurile, Yezo, Nippon, Sikoku, Kiusiu, Liukiu, et Formosa hucusque cognitarum systematice et alphabetice disposita adjectis synonymis selectis, nominibus Japonicis, locis natalibus - Matsumura, Jinzo, 1856 -1928 (Apud Maruzen, 1904)

Index to grass species - Smithsonian Institution (G. K. Hall, 1962)

Index to plant chromosome numbers - Missouri Botanical Garden. (Missouri Botanical Garden, 1985)

Index to plant chromosome numbers - Missouri Botanical Garden. (Missouri Botanical Garden, 1996)

Index to the native and scientific names of Indian and other eastern economic plants and products - Watson, J. Forbes (John Forbes), 1827 -1892 (India museum, 1868)

An index to the scientific contents of the Journal and Proceedings of the Academy of Natural Sciences of Philadelphia [1817-1910] Published in commemoration of the centenary of the academy, March 21, 1912 - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences, 1912)

The Indian forest records - Forest Research Institute (Dehra Dun, India) (Manager of Publications, 1908)