Verloove F., Guiggi A., Further Records of Cacti (Cactaceae) from Tarragona Province (Catalonia), Spain, Haseltonia, 2020, 2019(26):23-35, doi: 10.2985/026.026.0104
Documentation of naturalised cacti in Tarragona province, with locations, diagnostic traits and photographs. It includes Salmonopuntia salmiana. The identification of material presented as Mortolopuntia schickendantzii was later challenged in revisions from 2021.