Mammillaria egregia Backeb. ex Rogoz. & Appenz. in Mitteilungsbl. Arbeitskreises Mammillarienfr. 13(3): 108–116. 1989.

Nomenclatural References

• person : Curt Backeberg (1894-1966) Based on occurrence of standard abbreviation 'Backeb.' in the authors string.
• person : Helmut Rogozinski (b.1933) Based on occurrence of standard abbreviation 'Rogoz.' in the authors string.
• person : Othmar Robert Willi Appenzeller (b.1949) Based on occurrence of standard abbreviation 'Appenz.' in the authors string.
• database : The Plant List version 1.0, record: tro-50180845
• database : The Plant List version 1.1, record: tro-50180845