First of all, Mammillaria haageana ssp. elegans ML055 'collina' rather paler flowers and a darker plant than some forms of M. haageana.
and now M. haageana ssp. conspicua from Cacaloapan, Puebla (MG 682)
and last for now, M. haageana ssp elegans P476
It is interesting to see some of the various forms, so if you have others in flower, let's make a gallery of haageanas!
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Chris43, moderator