Ferocactus recurvus var. greenwoodiae Glass in Cact. Succ. J. (Los Angeles) 40: 160. 1968
Ferocactus recurvus var. greenwoodiae in Cact. Succ. J. (Los Angeles) 40: 160. 1968
is basionym for Ferocactus latispinus subsp. greenwoodii in Cactaceae Syst. Init. 20: 17. 2005
is basionym for Ferocactus recurvus subsp. greenwoodii, Ferocactus: 91. 2005
is basionym for Ferocactus latispinus var. greenwoodii in Bradleya 2: 27. 1984
is basionym for Ferocactus recurvus subvar. greenwoodiae, Grossen Kugelkakteen Nordamerikas: 299. 1992
is basionym for Ferocactus cylindraceus var. greenwoodiae in Bradleya 2: 27. 1984
is basionym for Ferocactus recurvus subsp. greenwoodiae, Ferocactus: 91. 2005
Type: Mexico, Oaxaca, Nepaja valley, MEX 190 km 637, Oct 1967, C. Glass 817-3 (POM)