Nopalea:

Nopalea:

Nopalea Salm-Dyck, Cactaceae: See Opuntia Mill. .

Nopalea cochenillifera:

Nopalea cochenillifera (L.) Salm-Dyck, Cactaceae: See Opuntia cochenillifera (L.) P. Mill.

I have no articles for this botanical term, but there might be some for the next level down (if found).