Hey TF. I think this Pinguicula esseriana is suffering from crown rot or BHD. I am leaning towards crown rot, because some of the leaves are showing necrosis at the leaf tips rather than it coming from the base.
The plant is growing in an uncovered tank under 4 4' shoplights. Watered by tray, although I've definitely spilled water into the rosette. It appears to be entering succulent growth. Not sure if this is relevant. Only the mother plant is showing this damage.
I am looking for help in identifying the problem and solutions if they exist. Thanks, TF.