condition mean min max Sterile Leaflet 0.017138033333333334 0.0 0.0514141 Fertile Leaflet with Sori 2.877759333333333 0.174462 8.09884 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0