condition mean min max Sterile Leaflet 0.06531433333333334 0.0 0.195943 Fertile Leaflet with Sori 0.0177169 0.0 0.0531507 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 2.6786833333333333 0.38531 5.11836 Root 0.0 0.0 0.0