R. J. Johns

• The Flowering Plants of Papuasia
• A guide to the collecting and field identification of Calamus (palmae) for Papuasia
• A preliminary check list of the collections of the rattans Calamus, Daemonorops, and Karthalsia from the Papuasian region Irian Jaya, Papua New Guinea, and the Solomon Islands
• A students' guide to the Monocotyledons of Papua New Guinea
• Check list of the species of Calamus and Korthalsia in Papuasia
• Common forest trees of Papua New Guinea
• Equipping the Ministry Leader
• Holttum Memorial Volume
• Index Filicum Supplementum Septimum Pro Anis, 1991-1995
• Mount Wilhelm flora
• Pteridophytes of Tropical East Africa
• The ferns and fern allies of Papua New Guinea