Aguirre, N. (fl. 1996) (co-collector)
Alcoforado, F.G. (fl. 1985) (co-collector)
Aldaz, I. (fl. 1996) (co-collector)
Andrade, M.M. de (fl. 1991) (co-collector)
Andrade, S.M.M. de (fl. 1991) (co-collector)
Argolo, J. (fl. 1993) (co-collector)
Arraes, M.G. (fl. 1984) (co-collector)
Bruneau, Anne (fl. 1997-2003) (co-author, co-collector)
Carvalho, André Mauricio Vieira de (1951-2002) (co-collector)
Cervi, Armando Carlos (1944-) (co-collector)
Daza Yomona, Aniceto (fl. 1998-2004) (co-author)
Delgado Salinas, Alfonso Octavio (1950-) (co-author)
Delgado, Tania (fl. 1996-2000) (co-collector)
Dombrowski, Luiza Thereza Deconto (fl. 1966-1991) (co-collector)
Du Puy, Blaise P. (fl. 1989-1995) (co-collector)
Du Puy, David J. (1958-) (co-collector)
Elizalde, F.M. (fl. 1996) (co-collector)
Estevens, S. (fl. 1993) (co-collector)
Freire, Francisco Mauricio Teles (1952-) (co-author, co-collector)
Giulietti, Ana Maria (1945-) (co-collector)
Hage, José L. (fl. 1983) (co-collector)
Harley, Raymond Mervyn (1936-) (co-collector)
Hatschbach, Gert Guenther (1923-) (co-collector)
Klitgaard, Bente Bang (1959-) (co-collector)
Longhiwagner, H.M. (co-collector)
Lopes, Airan S. (1950-) (co-collector)
Lopes, E.C. (fl. 1985-1989) (co-collector)
Lozano, Pablo (fl. 1994-2004) (co-collector)
Mackinder, Barbara Ann (1958-) (co-author)
Malcomber, Simon Thomas (1967-) (co-collector)
Martinelli, Gustavo (1954-) (co-collector)
Merino, Bolívar (fl. 1996) (co-collector)
Reynel, Carlos (fl. 1995) (co-author)
Schrire, Brian David (1953-) (co-collector)
Simpson, Beryl Brintnall (1942-) (co-author)
Stannard, Brian Leslie (1944-) (co-collector)
Teixeira, G.A. (fl. 1985) (co-collector)
Tinitania, F. (fl. 1996) (co-collector)