According to the Author, Pinguicula moctezumae grows on calcium carbonate concretions, in the stream bed or walls with water drainings, on wet limestone slope (I think it is Tufa) at altitudes of 900 to 1100m.
i thought for sure by now the APS crave would have converted people...
100% APS works like a charm... has anyone tried it and not had success? seems like an easy win for pings all around...