Notes on Cereus and Acanthocereus

• Croizat, Léon ^[1]
  1. [1] Harvard University

     Harvard University

     City of Cambridge, Estados Unidos

     
• Localización: Caldasia, ISSN-e 2357-3759, ISSN 0366-5232, Nº. 7, 1943
• Idioma: inglés
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  • It is commonly believed that the greatest single difficulty of the classification of the Cactaceae is in the fact that many names were published in this family for which types are not extant. This difficulty is great, no doubt, but less fundamental than it seems.