ricordea mushroom

Any know what this white stem coming from ricordea? Is that a foot?

Hi I have some frags for sale. Everything taken using flipper orange and yellow filter. 1 - 5 + 2 babies Orange Oxide and 2 + 2 babies Mystique Zoa Combo - $30 $20 2 - 7 + 3 babies Mystique Zoa - SOLD 3 - 3 Mystique Zoa - $15 $10 4 - Single 1/2" Orange Rim Green Center Florida Ricordea - SOLD 5...

So, I have a ricordea mushroom that's attached to a plug and I just saw that it's unattached now, is this something bad? What should I do now? (Red circle used to be attached to blue circle)

Both were sold to me as ricordea FloridaZ the orange one I am confident In this, the green one however looks different than the orange, but not quite like a Yuma(no bumps on the eye but the pattern is different than on the orange) so I’m not sure on it. But I’m growing concerned bc of the “it...