The basionym of P. pecten-aboriginum (Cereus pecten-aboriginum) was originally described and published in Proceedings of the American Academy of Arts and Sciences 21: 429–430.
Truy cập ngày 30 tháng 4 năm 2012.  ^ The basionym of P. pecten-aboriginum (Cereus pecten-aboriginum) was originally described and published in Proceedings of the American Academy of Arts and Sciences 21: 429–430.