- A. Nograsek, S.D.
- Ahlner, Sten
- Albertshofer, E.
- Albuquerque, F.C.
- Alcorn, J.L.
- Alfenas, Acelino C.
- Anderson, A.P.
- Andersson, Leif
- Appelqvist, Thomas
- Aptroot, A.
- Arnell
- Arnell, H. Wilh
- Arthur, J.C.
- Arwidsson, Th
- Arx, J.A.
- Ausana_Mapook
- Baker, C.F.
- Baker, Fungi Malayana C.F.
- Balansa, B.
- Balansa, J.
- Balansa
- Barr, Margaret E.
- Barr, M.E.
- Barr-Bigelow, M.E.
- Barros, T.
- Bates, J.M.
- Batista, A.C.
- Baum, H.
- Baumler, J.
- Beauglehole, A.C.
- Beever, Ross Ewen
- Bejerred
- Bell, B.G.
- Benjamin, C.R.
- Benninghoff, W.S.
- Bessey, C.E.
- Bezerra, José Luiz
- Bezerra, J.L.
- Bigelow, M. E. Barr
- Bigelow, H.E.
- Blasquez, Carlos
- Blatrix, R.
- Blytt, M.
- Blytt, M.N.
- Bock, J.
- Bommer, E.
- Boonmee, Saranyaphat
- Borgesen, F.
- Bratli, Harald
- Braun-Blanquet, Josias
- Breili, Anders
- Briosi, G.
- Brittlebank, C.C.
- Broadhurst, P.G.
- Brusse, W.
- Bryhn
- Bucholtz, F.
- Buck, W.R.
- Bäumler, Johann Andreas
- Bøthun, Siri
- C. G. Hansford, S.D.
- C. Scheuer, S.D.
- Cadiñanos, J.A.
- Calatayud, V.
- Cannon, P.F.
- Cantarelli, Antônio
- Castrillon, A.
- Cavalcante, W.A.
- Cavalcante, W.
- Cavara, F.
- Cayzer, A.
- Cesati, V.
- Ciferri, R.
- Clemens, M.S.
- Coelho, M.