condition mean min max Sterile Leaflet 4.755143666666667 0.0 13.6285 Fertile Leaflet with Sori 7.302314 0.260342 17.4087 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 25.862766666666666 23.036 30.8965 Rhizome 5.607643 0.0 16.2372 Root 16.889870000000002 2.94741 25.8288