condition mean min max Sterile Leaflet 0.07171066666666666 0.0 0.215132 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.180293 0.0 0.540879 Root 3.6452166666666668 0.0 8.90773