gabbii -> brandegeei v.gabbii
galeotti -> obconella
garesii -> barbata
gasterantha -> spinosissima
gatesii -> petrophila
gaumeri -> heyderi v.gaumeri
geminata -> pochybné jméno
gilensis -> crinita
ginsaumae -> discolor
ginsaume (ginsa maru) -> discolor
giselae -> schiedeana v.giselae
glabrata -> pochybné jméno
gladiata -> magnimamma
gladiispina -> Coryphantha delaetiana
glareosa -> brandegeei v.glareosa
globosa -> schumannii
glomerata -> prolifera
goldii -> saboae v.goldii
goodrichii -> dioica
gracilis -> vetula v.gracilis
graessneriana -> haageana
grandiflora -> vetula
granulata -> prolifera
grisea -> prolifera v.texensis
gueldemanniana -> sheldonii
guerkeana -> Coryphantha guerkeana
guiengolensis -> beneckei
guirocobensis -> sheldonii
gummifera -> heyderi v.gummifera