انتشارات Royal Botanic Gardens, Kew

CITES Aloe & Pachypodium Checklist
Edited by: Urs Eggli Authors: Leonard E Newton (Aloe), 2001
The Kew Plant Glossary: an Illustrated Dictionary of Plant Terms
Beentje, Henk, 2014
Genus Utricularia: a taxonomic monograph
P G Taylor, 1989
The Kew Tropical Plant Families Identification Handbook: Second Edition
Timothy Utteridge (editor), Gemma Bramley (editor), 2016
Genera Palmarum: The Evolution and Classification of Palms
Dransfield, John; Uhl, Natalie W.; Asmussen, Conny B.; Baker, William J.; Harley, Madeline M.; Lewis, Carl E., 2008
Plants of the World. An Illustrated Encyclopedia of Vascular Plants
Maarten J. M. Christenhusz, Michael F. Fay, Mark W. Chase, 2017
The Plants of Sudan and South Sudan: An Annotated Checklist
Iain Darbyshire (editor), Helen Pickering (editor), Maha Kordofani (editor), Imadeldin Farag (editor), Ruba Candiga (editor), 2015
Legumes of the world
Lewis, Gwilym, 2005
Legumes of the world
Lewis, Gwilym, 2005
Napoleon’s Garden Island: Lost and Old Gardens of St Helena, South Atlantic Ocean
Donal P. McCracken, 2022