condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.6138433333333335 2.53438 8.055 Petiole 0.0 0.0 0.0 Crozier 0.024253066666666667 0.0 0.050916 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0