condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.056375 0.0 0.169125 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 8.388082666666666 0.0 24.8421 Root 8.611056666666666 1.42731 22.9775