Herbarium Introduction Opuntia chaffeyi Britton and Rose was described in an article published by the Tephrocactus study group...
Opuntia species 7499
Opuntia micrarthra 7495
Herbarium Introduction Opuntia micrarthra Griffiths may be a synonym of O. macdougalii according to Britton and Rose, 1919.
Opuntia texana 7494
Opuntia texana is a synonym of O. lindheimeri.
Opuntia ficus-indica 7485
Herbarium specimens Introduction Opuntia ficus-indica is a domesticated species. There are many cultivars. Most types are derived in...
Opuntia undulata 7484
Herbarium specimens Introduction Opuntia undulata Griffiths is synonymous with O. undosa Griffiths. Griffith reported that the plant was...
Opuntia toumeyi 7479
Herbarium specimen Introduction Opuntia touymeyi Rose is found in southern Arizona. Britton and Rose placed it in synonymy...
Opuntia arizonica 7468 (in habitat)
Herbarium specimen Introduction Opuntia arizonica Griffiths is best thought of as a smaller and spiny version of O....