I picked these right at right base of a 40 year old oak tree above ground. my question is are they truffles?
Lake County Indiana truffles
Due to the severe health consequence from a misdiagnosis, we typically do not answer this particular type of a question on this board. Please consider this: https://s3.wp.wsu.edu/uploads/sites/2073/2015/12/MarketAnalysisOregonTruffles.pdf and this https://ohioline.osu.edu/factsheet/HYG-3303 for more information.