Mammillaria schiedeana subsp. dumetorum Mammillaria schiedeana subsp. dumetorum (J.A.Purpus) D.R.Hunt, Mammillaria Postscripts 6: 7. 1997 sec. Hunt 201611. Hunt, D.R. 2016: CITES Cactaceae Checklist. 3rd edition. – published by the authorContent