Bueno, Vinicius R., Ana P. V. Cassol, Carolina J. Leroy, Marcelo L. Bueno, and Gustavo Heiden. “Calea × Crassa (Neurolaeneae: Asteraceae), a New Nothospecies from Paraná State, Brazil”. Phytotaxa 618, no. 2 (October 3, 2023): 133–148. Accessed April 9, 2025. https://phytotaxa.mapress.com/pt/article/view/phytotaxa.618.2.3.