Pterygodium Vermiferum (Coryciinae), a new, autonomously self-pollinating, oil-secreting orchid from the western Cape of south Africa
Hopliine beetle pollination in annual Wahlenbergia species from western south Africa, and the new species W. Melanops
Natural selection on inflorescence color polymorphisms in wild Protea populations: The role of pollinators, seed predators, and inter trait correlations
Floral syndromes accurately predict pollination by a specialized oil-collecting bee in a guild of south African orchids