Calvo, Joel <br/><br/>
Taxonomic revision of the neotropical genus Werneria (Compositae, Senecioneae) / 
Joel Calvo, Andrés Moreira-Muñoz, and Vicki A. Funk. 
 - Washington, D.C.  Smithsonian Institution Scholarly Press,  2020. 
 - 126 p. :  ill. 
 - Smithsonian contributions to Botany.  No. 111  0081-024X .
<br/><br/>Includes bibliogr. references : p. 119-120 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany<br/>Endemic species<br/>Neotropics