Flowers of the Moon, Afroalpine vegetation of the Rwenzori Mountains, 2007, 5 Continents Editions, ISBN 978-88-7439-423-4.

Fleurs de lune, la végétation afroalpine du Rwenzori, 2007, 5 Continents Editions, ISBN 978-88-7439-422-7.

Fiori di luna, la vegetazioneafroalpina del Ruwenzori, 2007, 5 Continents Editions, ISBN 978-88-7439-421-0.