Mammillaria hahniana subsp. woodsii (R.T.Craig) D.R.Hunt, Mammillaria Postscripts 6: 10. 1997
Mammillaria hahniana subsp. woodsii, Mammillaria Postscripts 6: 10. 1997
is new combination for Mammillaria woodsii in Cact. Succ. J. (Los Angeles) 15: 33. 1943