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 0.11725033333333333 0.0 0.351751 Rhizome 0.2794203333333333 0.0 0.838261 Root 3.795074 0.0 11.1929