Hello my name is Floca Ionut from Romania, and i am new on this forum, i am a biologist and i like very much Mamms and other cacty, this forum is very nice.
One of my Mammillaria mazatlanensis in flower
https://i.servimg.com/u/f34/15/44/70/58/cactus11.jpg
https://i.servimg.com/u/f34/15/44/70/58/cactus13.jpg
Have o nice day!!!, and a lot of Mamms in flower.