dreadnot wrote:Thanks, elieestephane!
Any idea about the second one?
I cannot comment reliably on its id. One thing you can do is google rebutia and keep scrolling through the pages until you find one that looks similar and then go to the respective page and find an id.
Best of luck.
There are more cacti in heaven and earth, Horatio, than are dreamt of in your philosophy.
One of the few cactus lovers in Lebanon (zone 11a)