condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0134769 0.0 0.0404307 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.03686303333333334 0.0 0.0697345 Root 4.0462473333333335 0.286212 10.0109