Corryocactus squarrosus (Vaupel) Hutchison in Sukkulentenkunde 7-8: 9. 1963
Corryocactus squarrosus in Sukkulentenkunde 7-8: 9. 1963
is new combination for Cereus squarrosus in Bot. Jahrb. Syst. 50(2-3, Beibl. 111): 21–22. 1913
Corryocactus squarrosus in Sukkulentenkunde 7-8: 9. 1963