Schlumbergera microsphaerica (Britton & Rose) Hoevel [ Zygocactus obtusangulus Loefgr.]
      
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6 918422 Schlumbergera microsphaerica (Britton & Rose) Hoevel [80 1083883 Zygocactus obtusangulus Loefgr.] Cactaceae
Arch. Jard. Bot. Rio de Janeiro, vol. 2 : t. 5 (1917) [L. Cordeiro]