condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.06674100000000001 0.0 0.200223 Petiole 0.307143 0.0 0.463751 Crozier 0.0 0.0 0.0 Rhizome 6.151093666666666 0.566081 15.8165 Root 1.7397740000000002 0.21037 4.59088