Template:Cuatrecasas, 2013

• Cuatrecasas, J. (†) 2013. A systematic study of the subtribe Espeletiinae (Heliantheae, Asteraceae). Memoirs of the New York Botanical Garden 107: I–XII, 1–689. ISBN 978-0-89327-514-3 Issuu (only pp. 80, 113–115, 133–144, 379, 381–382, 417–419, 479, 481–483 & 575) .  
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