Mammillaria voburnensis subsp. eichlamii (Quehl) D.R.Hunt, Mammillaria Postscripts 6: 11. 1997
Mammillaria voburnensis subsp. eichlamii, Mammillaria Postscripts 6: 11. 1997
is correct spelling for Mammillaria woburnensis subsp. eichlamii
is new combination for Mammillaria eichlamii in Monatsschr. Kakteenk. 18(5): 65–66. 1908