Jacob Wasscher

Podocarpus salomoniensis is a species of conifer in the family Podocarpaceae. It is found only in Solomon Islands.

Dacrycarpus compactus is a species of conifer in the family Podocarpaceae. It is a tree endemic to New Guinea. Dacrycarpus compactus is native to New Guinea's Central Range in both Papua New Guinea and Indonesia, where it grows in upper montane rain forest and subalpine grassland and shrubland from 2800 to 4300 metres elevation. There is an apparent gap in its distribution in the Western Highlands of Papua New Guinea from 141º E to 144º E, where Dacrycarpus expansus is present. In upper montane forests above 2800 metres elevation it grows with Papuacedrus papuana, Podocarpus spp., and some

Podocarpus atjehensis is a species of conifer in the family Podocarpaceae. It is found in Sumatra and Sulawesi (Indonesia) and New Guinea (Indonesia and Papua New Guinea).

Dacrycarpus kinabaluensis is a species of shrubby conifer in the family Podocarpaceae. It is a shrubby tree found only on Mount Kinabalu in Sabah, Malaysian Borneo. It grows in upper montane forest and subalpine dwarf forest, from c. 2,600 metres elevation to the tree line at about 3,500 metres. It grows on ultramafic rock, and on granite above 3000 metres elevation. It can form dense, nearly pure stands or grows in association with other conifers including Dacrydium gracile, D. gibbsiae, Phyllocladus hypophyllus, and Podocarpus brevifolius. Other associated species include the shrubs

Podocarpus ridleyi is a species of conifer in the family Podocarpaceae. It is found only in Peninsular Malaysia.

Dacrydium leptophyllum is a species of conifer in the family Podocarpaceae. It is found only in Indonesia.

Dacrycarpus steupii is a species of conifer in the family Podocarpaceae. It is a tree native to Borneo, the Philippines, Sulawesi, and New Guinea. The species was first described as Podocarpus steupii by Jacob Wasscher in 1941. In 1969 David John de Laubenfels placed the species in genus Dacrycarpus as D. steupii.