Opuntia strigii var. flexospina (Griffiths) L.D.Benson Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Opuntia species Opuntia aciculata Name Homonyms Opuntia strigii var. flexospina (Griffiths) L.D.Benson