Tag M-N-O

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...