condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.2102866666666667 0.0 6.55446 Petiole 0.15619333333333332 0.0 0.46858 Crozier 0.271881 0.0 0.815643 Rhizome 0.19491499999999998 0.0 0.584745 Root 0.0 0.0 0.0