Systematics and biogeography of Bacopa (Plantaginaceae) Meise Botanic Garden
The aquatic and wetland plant genus Bacopa contains species that are found worldwide, with a center of diversity in the Americas. Although there have been regional taxonomic studies of the genus, a global synthesis is lacking. Variation in morphological features across species has complicated efforts to determine species boundaries and circumscribe infrageneric categories with confidence. Molecular data have enabled a more thorough understanding ...