The following species of Gasteranthus were newly described from Ecuador by Martin Freiberg (All pictures were taken by the author):

Gasteranthus giganteus (1996, Phyton Vol. 36 (2): 303-309)

Gasteranthus imbaburensis (1996, Phyton Vol. 36 (2): 303-309)

Gasteranthus leopardus (1996, Phyton Vol. 36 (2): 303-309)

Gasteranthus magentatus (1998, Phyton Vol. 38 (1): 167-173)

Gasteranthus otongensis (1998, Phyton Vol. 38 (1): 167-173)

Gasteranthus trifoliatus (1996, Phyton Vol. 36 (2): 303-309)