Rhipsaphyllopsis graeseri Werderm. in Kakteenkunde 3: 10. 1939
Rhipsaphyllopsis graeseri in Kakteenkunde 3: 10. 1939
Type: [icon.] Photograph of presumed original plant in Kakteenkunde 3: 10. 1939 https://www.cactuspro.com/lecture/Kakteenkunde/Kakteenkunde1939/page-16.de.html