Chiapella J. O., Demaio P. H., Plant endemism in the Sierras of Córdoba and San Luis (Argentina): Understanding links between phylogeny and regional biogeographical patterns, PhytoKeys, 2015, 47:59-96, doi: 10.3897/phytokeys.47.8347
The regional description, endemic checklist and A. spiniflorum entry were read in the PMC text. The 1000–1500 m range refers to this regional compilation.