Madagascar and the Comoro Islands have an unusual, highly endemic and rich flora. This single volume is a guide to the collections and literature relating to these islands' unique and vanishing plant life. It provides biographical and bibliographical information on over 1,000 individuals who have collected herbarium specimens in these islands. Entries contain references to portraits, itineraries, collecting companions and examples of handwriting, as well as information on the location of exsiccatae, herbarium specimens and manuscript materials.