Taxon - Odkazy a literatura
IUCN Red List of Threatened Species 2024-1 [152054]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [jako Corynopuntia grahamii (Engelm.) F.M.Knuth]
Datum citace: 29. leden 2024
Kew Science - Plants of the World online 2024-05 [113734-2]
Kew Science - Plants of the World online [https://powo.science.kew.org], Facilitated by the Royal Botanic Gardens, Kew [jako Grusonia grahamii (Engelm.) H.Rob.]
Datum citace: 31. leden 2025
C. Ulloa et al. (2017): An integrated assessment of the vascular plant species of the Americas, Science. 358. 1614-1617 [jako Grusonia grahamii (Engelm.) H. Rob.]Datum citace: 19. září 2019