Melocactus glaucescens Buining & Brederoo in Cact. Succ. J. (Los Angeles) 44: 159. 1972
Melocactus glaucescens in Cact. Succ. J. (Los Angeles) 44: 159. 1972
is correct spelling for Melocactus glaucencens in Cact. Succ. J. (Los Angeles) 44: 158. 1972
Melocactus glaucescens in Cact. Succ. J. (Los Angeles) 44: 159. 1972