Royal Botanic Gardens, Kew
ILDON (Interactive Database on Nodulation), Nodulation, Legume Red List assessments, IUCN Red List of Threatened Plants, Legume researchers, Fabaceae, Legumes, IUCN Sampled Red List Index Project, Leguminosae, Kai Larsen, Sixth International Legume Conference 2013, Legume systematics, Legume species profiles on RBG Kew's website, Nodule properties, and VI International Conference on Legume Genomics and Genetics (ICLGG) 2012