Bulletin du Muséum National d'Histoire Naturelle Section B, Botanique, biologie et écologie végétales, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire naturelle, 1979)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1995)

Flora del Valle de Tehuacán-Cuicatlán (Universidad Nacional Autónoma de México, 2012)

Flora del Valle de Tehuacán-Cuicatlán (Universidad Nacional Autónoma de México, 2012)

Flora del Valle de Tehuacán-Cuicatlán (Universidad Nacional Autónoma de México, 2012)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1997)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1980)