condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Rhizome 2.54712 1.80857 3.4073 Root 0.16894666666666666 0.0 0.268795