Tephrocactus di Titta
Il genere Tephrocactus
1Tephrocactus alboaerolatus
2Tephrocactus alexanderi
1Tephrocactus articulatus v. diadematus?1Tephrocactus articulatus v. oligacanthus
1Tephrocactus articulatus v. paediophilus 
1Tephrocactus articulatus v. pap.1Tephrocactus chichoensis
1Tephrocactus corotilla1Tephrocactus dactyliferus1Tephrocactus diadematus v. inermis
1Tephrocactus glomeratus1Tephrocactus ignescens1Tephrocactus inermis1Tephrocactus kundrichianus
1Tephrocactus molinensis
1Tephrocactus molinensis v. red glochids
1Tephrocactus mullerianus1Tephrocactus nigrispinus
1Tephrocactus ovallei1Tephrocactus platyacanthus1Tephrocactus russelli1Tephrocactus sp1Tephrocactus sp. (alexanderi?)
1Tephrocactus sphaericus
1Tephrocactus weberi1Tephrocactus weberi v. setigerElenco