Herbarium specimens (O. microdasys) Introduction It is not immediately clear why this clone was labeled O. microdasys-like instead...
![Opuntia microdasys-like 4465](https://i0.wp.com/opuntiads.com/griffiths/wp-content/uploads/4465microdasys-like007-jbp-1xb.jpg?resize=768%2C907&ssl=1)
Griffith's Glass Negatives, Another Great Opuntia Site
…opuntiads from the past
Herbarium specimens (O. microdasys) Introduction It is not immediately clear why this clone was labeled O. microdasys-like instead...
Herbarium Introduction Opuntia micrarthra Griffiths may be a synonym of O. macdougalii according to Britton and Rose, 1919.
Herbarium Introduction Opuntia macrorhiza Engelm. is a variable species found in the American West and Midwest. There is...