Cruz, Miguel Ángel; Arias, Salvador & Terrazas, Teresa (2016), "Molecular phylogeny and taxonomy of the genus Disocactus (Cactaceae), based on the DNA sequences of six chloroplast markers", Willdenowia, 46 (1): 145–164, doi:10.3372/wi.46.46112, S2CID87086656
Cruz, Miguel Ángel; Arias, Salvador & Terrazas, Teresa (2016), "Molecular phylogeny and taxonomy of the genus Disocactus (Cactaceae), based on the DNA sequences of six chloroplast markers", Willdenowia, 46 (1): 145–164, doi:10.3372/wi.46.46112, S2CID87086656
thefreedictionary.com
Declinate: descending in a curve or drooping, Collins English Dictionary – Complete and Unabridged. S.v. "declinate." Retrieved 2011-05-09 from The Free Dictionary