1 printed page with a key to the identities of every person in the photograph 'Progress in Pteridology' (23-27 June 1990).
A complete list of names and a visual guide with number silhouettes of every person corresponding to a numbered list of names.

List as follows (last name, First name) [INCOMPLETE]

1. Sahashi, Norio
2. Bidin, Aziz
3. Montgomery, James D.
4. Wagner, Warren Herb
5. Wager, Florence S.
6. Haufler, Christopher
7. Raghaven, V.
8. Raghaven, Lakshmi
9. Hasbe, Mitsuyasu
10. Parris, Barbara
11. Hoshizaki, Barbara Joe
12. Kato, Masahiro
13. Lemieux, Thomas
14. Sugai, Michizo
15. Kornas, Jan
16. Kotenko, Jane
17. Beitel, Joseph
18. Palacios-Rios, Monica
19. Lellinger, David B.
20. Parris, Cathy
21. Seyfried, Max
22. Babbington, David S.
23. Dettmann, Mary
24. Sheffield, Elizabeth (number error on sheet, corrected to 24)
25. Hamilton, Betty

1 - 7"x10" black and white group photograph of the participants of the Holttum Memorial Pteridophyte Symposium, 'Pteridology in Perspective', 17-21 July 1995. Taken at the Princess of Wales Conservatory, Kew, Richmond upon Thames, England.

Copy of photograph and a list of participants can be found in Camus, J., Gibby, M. and Johns, R.J. (1996). Pteridology in Perspective. Royal Botanic Gardens Kew., p.ix-xii