Echinocactus horizonthalonius Lem. |
Accepted |
 |
WCSP (in review) |
|
Echinocactus horizonthalonius var. centrispinus Engelm. |
Synonym |
 |
WCSP (in review) |
|
Echinocactus horizonthalonius f. centrispinus (Engelm.) Schelle |
Synonym |
 |
WCSP (in review) |
|
Echinocactus horizonthalonius var. curvispinus Salm-Dyck |
Synonym |
 |
WCSP (in review) |
|
Echinocactus horizonthalonius f. curvispinus (Salm-Dyck) Schelle |
Synonym |
 |
WCSP (in review) |
|
Echinocactus horizonthalonius var. equitans Schmoll |
Synonym |
 |
WCSP (in review) |
|
Echinocactus horizonthalonius subsp. horizonthalonius |
Synonym |
 |
TRO |
|
Echinocactus horizonthalonius var. laticostatus Schmoll |
Synonym |
 |
WCSP (in review) |
|
Echinocactus horizonthalonius var. nicholii L.D.Benson |
Synonym |
 |
WCSP (in review) |
|
Echinocactus horizonthalonius subsp. nicholii (L.D.Benson) U.Guzmán |
Accepted |
 |
WCSP (in review) |
|
Echinocactus horizonthalonius var. obscurispinus Rud.Mey. |
Synonym |
 |
WCSP (in review) |
|
Echinocactus horizonthalonius f. obscurispinus (Rud.Mey.) Schelle |
Synonym |
 |
WCSP (in review) |
|
Echinocactus horizonthalonius var. subikii Staník & Dráb |
Synonym |
 |
WCSP (in review) |
|