Arraes, M.G. (fl. 1984) (co-collector)
Atkins, Sandy (1948-) (co-collector)
Atkinson, Ruth (fl. 1991-2004) (co-collector)
Bautista, Hortensia Pousada (1949-) (co-collector)
Brenan, John Patrick Micklethwait (1917-1985) (co-collector)
Chukr, Nadia Said (fl. 1988-1993) (co-collector)
Conceição, A.A. (fl. 1980-1994) (co-collector)
Cordeiro, Inês (1958-) (co-collector)
Funch, Lígia Silveira (fl. 1997-1999) (co-author)
Furlan, Antonio (1942-) (co-collector)
Gasson, Peter Eric (1957-) (co-collector)
Guedes, Maria Lenise (fl. 1981-1997) (co-collector)
Harley, Raymond Mervyn (1936-) (co-collector)
Hind, David John Nicholas (1957-) (co-collector)
Lewis, Gwilym Peter (1952-) (co-collector)
Longhiwagner, H.M. (co-collector)
Menezes, Nanusa Luiza de (1934-) (co-collector)
Nic Lughadha, Eimear M. (1965-) (co-collector)
Nobre, P. (fl. 1996) (co-collector)
Oliveira, Reyjane Patricia de (fl. 1999-2008) (co-collector)
Parra, L.R. (fl. 1994-1997) (co-author)
Pirani, José Rubens (1958-) (co-collector)
Rossi, Lúcia (1952-) (co-collector)
Sakuragui, Cássia Mônica (1965-) (co-collector)
Salimena-Pires, Fátima Regina (fl. 1988-2002) (co-author, co-collector)
Semir, João (1937-) (co-collector)
Silva, M.M. (fl. 1999-2001) (co-collector)
Souza, Vinícius Castro (1954-) (co-collector)
Stannard, Brian Leslie (1944-) (co-collector)
Varanda, E. (fl. 1984) (co-collector)
Wanderley, Maria das Graças Lapa (1947-) (co-collector)
Wood, John Richard Ironside (1944-) (co-collector)
Woodgyer, Elizabeth M. (fl. 1996-2000) (co-collector)