Horsfieldia Polytomous(1) GENERAL KEY TO THE SPECIES(2) REGIONAL KEY TO THE SPECIES — PENINSULAR MALAYSIA, SINGAPORE(3) REGIONAL KEY TO THE SPECIES — SUMATRA, JAVA(4) REGIONAL KEY TO THE SPECIES — BORNEO(5) REGIONAL KEY TO THE SPECIES — PHILIPPINES, SULAWESI, MOLUCCAS(6) REGIONAL KEY TO THE SPECIES — NEW GUINEA