by Arjen » Fri May 18, 2012 6:16 am
wow! that nivosus, very beautiful!
I also love the ptero and rebutia flowers
With apologies to the late Professor C. D. Darlington the following misquotation springs to
mind ‘cactus taxonomy is the pursuit of the impossible by the incompetent’ - Fearn & Pearcy, Rebutia (1981)