Review: On published data and methods for selenium in mushrooms

► This work outlines methodologies used for the determination of Se in mushrooms. ► Data on average Se determined by different measurement techniques are displayed. ► Biased reported on Se are likely due to impropriate selection of method. ► Care is needed when using and citing analytical results published on Se in mushrooms. ► This is to prevent propagation of Se data in fungi that are imprecise and inaccurate.