Melocactus pachyacanthus subsp. viridis N.P.Taylor in Bradleya 9: 40–41. 1991
Melocactus pachyacanthus subsp. viridis in Bradleya 9: 40–41. 1991
is replaced synonym for Melocactus neoviridescens in Cactology 5 (Suppl. 10): 2. 2020
is replaced synonym for Melocactus pachycephalus in Phytotaxa 470(3): 256. 2020
Melocactus pachyacanthus subsp. viridis in Bradleya 9: 40–41. 1991