1. Breeding systems in Canary Island Echium species;Bramwell;Internat. Organisation of Plant Biosystematists Newsletter,1972
2. Studies in Pimelea I. The breeding system;Burrows;Trans. Roy. Soc. N. Z,1960
3. Studies in Pimelea II. Taxonomy of some mountain species;Burrows;Trans. Roy. Soc. N. Z. Bot,1962
4. The biota of long-distance dispersal IV. Genetic systems in the floras of oceanic islands;Carlquist;Evolution,1966
5. Breeding systems in New Zealand grasses. IV. Gynodioecism in Cortaderia;Connor;N. Z. J. Bot,1963