Lugar de publicación
Kakteen And. Sukk. 56(11): 101 (figs. 1-7) (2005)
Referencias
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Mächler & Wlater (2005)
Mächler, W , Walter, H.E. y , 2005. Das Puzzle um Ritters Copiapoa longispina und die Beschreibung einer neuen Unterart von Copiapoa megarhiza. Kakteen und Andere Sukkulenten 56(11) : 295-299
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Larridon et al. (2015)
Larridon, I , Walter, H , Guerrero, P , Duarte, M , Cisternas, M , Peña, C , Bauters, K , Asselman, P , Goetghebeur, P y Samain, M.-S 2015. An integrative approach to understanding the evolution and diversity of Copiapoa (Cactaceae), a threatened endemic Chilean genus from the Atacama Desert. American Journal of Botany. 102. 1506-1520.
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Walter & Guerrero (2022)
Walter, H y Guerrero, P 2022. Towards a unified taxonomic catalogue for the Chilean cacti: assembling molecular systematics and classical taxonomy. Phytotaxa. 550(2): 79-98