For example, in lowland Borneo Agathis occurs on peat,on podzolized sand, on ultrabasics and on sedimentary-derived ultisols. Nor does he resolve the problem of variation with increasing altitude. High mountain Agathis is very distinct with small leavesand cones and the trees are small. The name A.flavesc~ns has been given to this form from Gunung
Tahan 1n Malaya (an account is given by Keng 1972),