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and name the natural world
of liverworts and hornworts recorded from central French Guiana
this volume completes the work on the Asteridae
Callirhoe (Malvaceae) is a small genus of herbaceous annuals
The present study contributes a taxonomic revision of the 29 species of Venezuelan Ruellia
Venezuelan Ruellia (Acanthaceae): A Monograph. Mem (119) Out of Stock and name the natural worldThe Acanthaceae are among the 10 or so most taxonomically diverse families of flowering plants. Taxonomically, northern regions of the Neotropics including Mexico and much of Central America have been studied to a greater degree than have more southerly regions of the Neotropics including most of South America. In particular, the Acanthaceae biotas of Venezuela and Colombia are believed to be particularly rich as well as home to numerous endemics.
