Herbarium specimens (Opuntia tomentosa) Introduction This photograph is assumed to depict O. icterica as Griffiths recognized it. Opuntia icterica...
![Opuntia icterica-like 7454](https://i0.wp.com/opuntiads.com/griffiths/wp-content/uploads/7454-icterica-maybe227jp-1xb.jpg?resize=768%2C1024&ssl=1)
Griffith's Glass Negatives, Another Great Opuntia Site
…opuntiads from the past
Herbarium specimens (Opuntia tomentosa) Introduction This photograph is assumed to depict O. icterica as Griffiths recognized it. Opuntia icterica...
Herbarium Introduction Opuntia gorda Griffiths is a synonym of O. robusta J.C. Wendl. Links O. gorda at Tropicos...
Herbarium Introduction Opuntia spinulifera Salm-Dyck is a Mexican species. Links O. spinulifera at Tropicos O. spinulifera at the...
Introduction Examination of the photograph suggests Opuntia incarnadilla Griffiths may be a synonym of O. ficus-indica. This is...
Introduction Likely this is a misspelling and the correct name is Opuntia guilanchi Griffiths. O. guilanchi is a...
Herbarium Introduction Opuntia macrorhiza Engelm. is a variable species found in the American West and Midwest. There is...
Herbarium (Opuntia rastrera) Introduction IPNI indicates this taxon could be a variety of Opuntia lindheimeri Engelm. However, it...
Introduction Opuntia amarilla Griffiths is an unresolved name. Inspection of the photograph indicates it may be a type...