Royal Botanic Gardens, Kew
Rupert Barneby Award 1992, Nodulation, Legume researchers, Fabaceae, TAXACOM, International Lotus Symposium 1994, David Clarke, Legume systematics, Nitrogen fixation, Legume Botany in the Former USSR, Faboid Seeds and Fruits, Legumes, Yucatanensis Etnoflora, and Leguminosae