Descriptions of some new Cacti and Mammillariae, recently brought from Mexico by Mr. Bullock of the Egyptian Hall, Piccadilly; and now preserved, with many other very rare Plants in the Nursery of Mr. Tate, in Sloanestreet. In: Philosophical Magazine. Band 63, 1824, S. 42 (online).
Alexander Berg: Beschreibung einiger neuer Cacteen. In: Allgemeine Gartenzeitung. Band 8, 1840, S. 130 (online).
