Any tubers out there domestic to Europe (not imported in past 400yrs)?

Possible Duplicate: Lesser Known/Often Forgotten Carbohydrate Sources Perfect Health Diet (PHD) doesn't mention some starches in the safe starches list. Keeping with the s …

Some people report issue with various tubers, especially those with sensitive guts. Please report your experiences with various tubers. Are you able to tolerate one kind, but not …