help identification

could someone tell me which mammillaria are?
1)

2)

3) y 4)

5)

thanks
regards
miguel

Hola Miguel,

#1, I am unsure, but might be M. discolor
#2 is, I think, a M. haageana form.
#3, I'd say, is M. bocasana
#4 doesn't look like a Mammillaria as far as I can see, maybe an Eriosyce or similar.
#5 might be M. carnea

Chris43 gracias.