condition mean min max Sterile Leaflet 0.0217926 0.0 0.0653778 Fertile Leaflet with Sori 2.2099533333333334 2.00657 2.52889 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.05989566666666667 0.0 0.179687 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.089209 0.0 0.267627