Tag S1

Herbarium specimens Introduction Opuntia streptacantha Lem. is a Mexican species that forms a tree. It is one of...

Herbarium specimens Introduction Opuntia streptacantha Lem. is a Mexican species that forms a tree. It is one of...

Herbarium specimen Introduction Opuntia sanguinocola Griffiths is a Texas species that may extend into northern Mexico.  See the...

Herbarium Introduction Opuntia spinulifera Salm-Dyck is a Mexican species. Links O. spinulifera at Tropicos O. spinulifera at the...