These seeds are only available to members, and it is not too late to join to receive this. Members can choose up to 15 packets, but due to limited numbers of some species your first choice cannot be guaranteed. Orders will only be accepted with the postal form in the November 2023 journal. Available to UK members only
| Coryphantha cornifera | Mammillaria voburnensis |
| Coryphantha kracikii | Thelocactus bicolor |
| Coryphantha pectinata PM 250 | Thelocactus bicolor Higueras |
| Coryphantha radians impexicoma | Thelocactus buekii |
| Coryphantha radians GM 2153 | Thelocactus conothelos argenteus |
| Mammillaria albicans E Rancho La Terguedad | Thelocactus garciae |
| Mammillaria amajacensis | Thelocactus hastifer |
| Mammillaria armillata Lau 055 | Thelocactus hexaedrophorus |
| Mammillaria blossfeldiana | Thelocactus macdowellii |
| Mammillaria boolii | Thelocactus multicephalus |
| Mammillaria camptotricha | Thelocactus panarottoanus |
| Mammillaria candida | Thelocactus rinconensis |
| Mammillaria centralifera GM 2146 | Thelocactus tulensis |
| Mammillaria chionocephala ROG 028 | Turbinicarpus horripilus |
| Mammillaria densispina GM 1212 | Turbinicarpus klinkerianus |
| Mammillaria dioica angelensis Lau 014 | Turbinicarpus knuthianus |
| Mammillaria dioica E of San Carlos | Turbinicarpus nickolae LK 23/13 |
| Mammillaria dioica estebanensis WK 567 | Turbinicarpus saueri |
| Mammillaria discolor (ochoterenae) | Turbinicarpus valdezianus (pink fls) |
| Mammillaria guillauminiana El Carrizo DUR TL 459 | Turbinicarpus valdezianus (white fls) |
| Mammillaria heyderi KS 34 | Turbinicarpus ysabelae |
| Mammillaria insularis W of Bahia de los Angeles | |
| Mammillaria karwinskiana SB 1174 | |
| Mammillaria lenta | |
| Mammillaria lindsayi | |
| Mammillaria longimamma | |
| Mammillaria louisae S of Socorro | |
| Mammillaria magnifica | |
| Mammillaria muehlenpfordtii | |
| Mammillaria picta LK 05/11 | |
| Mammillaria poselgeri S of La Paz | |
| Mammillaria poselgeri S of Mulege | |
| Mammillaria poselgeri W of Buena Vista | |
| Mammillaria prolifera ssp arachnoidea GM218 | |
| Mammillaria prolifera texana FO 057 | |
| Mammillaria rekoi aureispina (Yolox) | |
| Mammillaria roseoalba SB 285 | |
| Mammillaria spinosissima | |
| Mammillaria surculosa | |
| Mammillaria theresae |