Do Waldsteinia and Obregonia contain the same number of species?
Obregonia Obregonia, the artichoke cactus, is a genus of cacti with a single species, Obregonia denegrii. The species is endemic to the state of Tamaulipas in Mexico.
Oberea Oberea is a genus of longhorn beetles, most of which are stem borers of various plants, including blackberries and their relatives. The genus contains the following species: