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The 'rhodotricha' subspecies has 8-13 ribs and 4-7 radial spines per areole. The 'chacoana' subspecies has 12-18 ribs and 7-8 radi...Read Moreal spines per areole. Both form clumps frequently.
The 'rhodotricha' subspecies has 8-13 ribs and 4-7 radial spines per areole.
The 'chacoana' subspecies has 12-18 ribs and 7-8 radi...Read More