Alstonia beatricis Papua, Waigeo Island, path from Poean to Tofak Bay., Van Royen 5535 (WAG) Holotype: Papua, Waigeo Island, path from Poean to Tofak Bay., Van Royen 5535 (L) Papua, Waigeo Island, path from Poean to Tofak Bay., Van Royen 5535 (K) Isotype: Papua, Waigeo Island, path from Poean to Tofak Bay., Van Royen 5535 (A) Papua, Waigeo Island, path from Poean to Tofak Bay., Van Royen 5535 (BO)