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 Crozier 0.013864233333333335 0.0 0.0415927 Rhizome 0.6017942 0.0374076 1.46322 Root 3.9527246666666667 0.413314 9.5128