Volume 1 Fasc. 1

Aa - Dendrobium exiguum

1753 - 1885

6 Sep 1893

First publication of Index Kewensis as a nomenclator, indicating correct application of names (i.e. placing of names in synonymy).

Application of the 'Kew Rule', whereby priority of epithets within a genus was taken from the date when a specific epithet was first associated with that generic name - new combinations not given when epithets were transferred from one genus to the other, and basionym author not given in parenthesis before publishing author.

Geographical names and explanatory notes given in Latin.

Volume numbers for cited references given in Roman numerals.

Ed. Benjamin Daydon Jackson (1846-1927)

Volume 1 Fasc. 2

Dendrobium exsculptum - Justicia

1753 - 1885

14 Dec 1893

Volume 2 Fasc. 1

Kablikia - Psidium galapagaeum

1753 - 1885

27 Oct 1894

Volume 2 Fasc. 2

Psidium gardnerianum - Zyzygium

1753 - 1885

19 Oct 1895

Supplement 1

1886 - 1895

Fasc. 1

Jan - Feb 1902

Ed. B. Daydon Jackson & Théophile Durand (1855-1912)

Fasc. 2

1 Dec 1902

Fasc. 3

20 Nov 1903

Fasc. 4

Jul 1906

Supplement 2

1896 - 1900

Fasc. 1

26 Oct 1904

Compiler Stephen Troyte Dunn (1868-1938)

Fasc. 2

20 Jul 1905

Supplement 3

1901 - 1905

20 May 1908

Compiler probably S.T. Dunn

Last supplement as a nomenclator.

Supplement 4

1906 - 1910

13 Nov 1913

Continuation of the Index without passing taxonomic judgements.

End of the application of the 'Kew Rule'.

Family concepts still according to Bentham & Hooker.

First appearance of the date of publication for each record.

Compiler Thomas Archibald Sprague (1877-1958)

Supplement 5

1911 - 1915

8 Sep 1921

New genera first listed under their families at the end of the volume.

Compiler T.A. Sprague

Supplement 6

1916 - 1920

20 May 1926

Compiler T.A. Sprague

Supplement 7

1921 - 1925

26 Sep 1929

Genera assigned to families according to Dalla Torre & Harms.

Compilers T.A. Sprague & Mary Letitia Green (1886-1978)

Supplement 8

1926 - 1930

2 Nov 1933

Compilers T.A. Sprague & M.L. Green

Supplement 9

1931 - 1935

22 Dec 1938

Basionym author first given in parentheses for new combinations.

Hybrid sign included before hybrid genera and species, but still no parentage given.

Compilers T.A. Sprague, M.L. Green, Mabel Irene 'Veronica' Skan (1902 - 1982) & Sabine Wilson (? - 1959)

Supplement 10

1935 - 1940

21 Aug 1947

Asterisks first used to indicate illustrations accompanying the description.

Compilers M.L. Sprague (née Green), M.I. Skan & S. Wilson

Supplement 11

1941 - 1950

24 Sep 1953

Compilers M.I. Skan & S. Wilson

Supplement 12

1951 - 1955

30 Apr 1958

Copyright transferred to trustees of Bentham Moxon Fund.

Compiler M.I. Skan

Supplement 13

1956 - 1960

28 Apr 1966

Compilers M.I. Skan and Janet Eileen Hawkins (1931- )

Supplement 14

1961 - 1965

19 Feb 1970

Genera assigned to families according to the system in use at Kew at the time, based on Bentham & Hooker.

End of the use of Latin abbreviations for geographical names and explanatory notes.

Compilers M.I. Skan, Jean Lesley Mary Pinner (1932-1982) & Thalia Adele Bence (1938-1983)

Supplement 15

1966 - 1970

2 May 1974

End of the use of asterisks to indicate accompanying illustrations.

Volume numbers for periodicals no longer cited in Roman numerals.

Compilers M.I. Skan, J.L.M. Pinner & T.A. Bence

Supplement 16

1971 - 1975

8 Oct 1981

All ranks from family downwards added for the first time, previously only genera and species were included

Parentage given for hybrid genus and species names.

Dagger (†) first used to indicate the corrected re-entry of a record. Previously a semicolon separating the original and amending author was used for either a corrected re-entry or an expanded description.

l.c. (locus citatus) no longer used; all records now have a full reference attached.

Compilers J.L.M. Pinner & T.A. Bence

1983

Volumes up to and including Supplement 16, except for the Addenda to the original volumes and to Supplements I and II, converted into electronic form with an OCR scanner; recognition errors for very similar characters may remain from volumes previous to this. Records from the omitted addenda (that had been prefixed with an "a") were subsequently added manually (without the "a").

Supplement 17

1976 - 1980

25 Jun 1987

Authorship no longer included for previously published generic names, only when a genus is new.

Compilers J.L.M. Pinner, T.A. Bence. Ed. Rosemary Anne Davies (1952- )

Supplement 18

1981 - 1985

25 Jun 1987

Compilers J.L.M. Pinner, T.A. Bence, R.A. Davies & Katherine May Lloyd (1961- )

Supplement 19

1986 - 1990

10 Oct 1991

Copyright transferred to Trustees of Royal Botanic Gardens, Kew (previously copyright of the Bentham-Moxon Trust).

Compilers R.A. Davies & K.M. Lloyd

1993

First publication of Index Kewensis on CD-ROM (which included data up to the end of October 1992), no longer available.

Supplement 20

1991 - 1996

24 Jan 1997

The following standards were introduced: Families are assigned according to R.K.Brummitt, Vascular Plant Families and Genera (1992); publishing authors according to R.K.Brummitt & C.E.Powell, Authors of Plant Names (1992); country names according to S.Hollis & R.K.Brummitt, World Geographical Scheme for Recording Plant Distribution (1992).

Compilers R.A. Davies & K.M. Challis (née Lloyd)

1997

Publication of second version of Index Kewensis on CD-ROM (which included data up to July 1996), no longer available.

2000

Launch of the International Plant Names Index (IPNI), an on-line collaboration between Index Kewensis (The Royal Botanic Gardens, Kew), the Gray Herbarium Card Index (Harvard) and the Australian Plant Name Index (Centre for Plant Biodiversity Research, Canberra).

Supplement 21

1996 - 2000

20 Aug 2002

Compilers R.A. Davies & K.M. Challis