condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.892757 0.463751 1.1442 Crozier 0.0 0.0 0.0 Rhizome 159.858 0.0 479.574 Root 6.337600999999999 0.0 18.8132