Mammillaria polytricha var. hexacantha (Salm-Dyck) Salm-Dyck
This is a synonym of Mammillaria polythele Mart.
Other Data
Mammillaria polytricha var. hexacantha (Salm-Dyck) Salm-Dyck appears in other Kew resources:
Bibliography
First published in Allg. Gartenzeitung 10: 289 (1842)
Sources
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0