condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.35641666666666666 0.0 1.06925 Rhizome 0.0 0.0 0.0 Root 3.28262 0.0 9.84786