Austrocephalocereus:

Austrocephalocereus:

Austrocephalocereus Backeb., Cactaceae: See Micranthocereus Backeb. .

Austrocephalocereus dybowskii:

Austrocephalocereus dybowskii (Rol.-Goss.) Backeb., Cactaceae: See Espostoopsis dybowskii (Rol.-Goss.) Buxb.

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