Phyllocactus ×belgicus Phyllocactus ×belgicus Laet-Contich in Wiener Ill. Gart.-Zeitung 1904: 409. 1904 sec. ??? wfo-0001433654≡Phyllocactus belgica Laet-Contich in Wiener Ill. Gart.-Zeitung 1904: 409. 1904 syn. sec. ??? wfo-0000397822Content