Brosimum rigidum Ducke in Arch. Jard. Bot. Rio de Janeiro 3: 27. 1922
Brosimum rigidum in Arch. Jard. Bot. Rio de Janeiro 3: 27. 1922
Holotype: Brazil, Para, between Rio Cumina-mirim and Rio Ariramba (Trombetas), Ducke HJBR 12534
Brosimum rigidum in Arch. Jard. Bot. Rio de Janeiro 3: 27. 1922