Subspecies, varieties, forms and cultivars of plants belonging to the Conophytum tantillum

• Conophytum tantillum N.E.Br.: Petals white to pinkish. Leaves greyish-green, plant polyploid. Distribution: Northern Cape, South Africa. Geelvlei Plateau around Steinkopf and Springbok
• Conophytum tantillum subs. amicorum S.A.Hammer & Barnhill: Bodies thick, always unlined, subtly keeled.Flowers yellow. Distribution: South west of Steinkopf, Northern Cape, South Africa
• Conophytum tantillum subs. eenkokerense (L. Bolus) S.A.Hammer: has body-markings consisting of linked green spots.
• Conophytum tantillum subs. helenae (Rawé) S.A.Hammer: Petals magenta. Distribution: Namaqualand, Northern Cape, South Africa.
• Conophytum tantillum subs. inexpectatum S.A.Hammer: Bodies slender, usually lined with red or green, glabrous.
• Conophytum tantillum subs. lindenianum (Lavis & S.A.Hammer) S.A.Hammer: Leaves yellowish-green, plant diploid.