Taxonomy for Echinocactus horizonthalonius, its infra species, and synonyms.
The following author and publication details are provided by the International Plant Names Index (IPNI). Further details on
the various authors and publications are available on the IPNI website. To view
a record on the IPNI website, click the "IPNI" link in brackets next to each taxa below.
Name - Author - Publication - Year
Lem. Published: Cact. Gen. Nov. et Sp. 19 [ IPNI ]