1. Ericas in Southern Africa;Baker,1967
2. Sugar ratios in nectars;Baker;Phytochem. Bull.,1979
3. Floral nectar sugar constitutents in relation to pollinator type;Baker,1983
4. The predictive value of nectar chemistry to the recognition of pollinator types;Baker;Israel J. Bot.,1990
5. Plants of the Cape Flora: a descriptive catalogue;Bond;J. S. Afr. Bot.,1984