Taxonomic status: Synonym

homotypic synonyms:
Echinocactus unguispinus Engelm.; Echinomastus unguispinus (Engelm.) Britton & Rose; Neolloydia unguispina (Engelm.) L.D. Benson; Pediocactus unguispinus (Engelm.) Halda; Thelocactus unguispinus (Engelm.) G.D. Rowley;

protologue: Bradleya 5: 94 (1987)
URL protologue: https://www.cactuspro.com/biblio_fichiers/pdf/Bradleya/Bradleya_1987_O.pdf

---

      search images: Google images       IPNI (International Plant Names Index)       WFO (World Flora Online)       POWO (Plants of the World online)       GBIF (Global Biodiversity Information Facility)

---