condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.058396 0.0 0.175188 Petiole 0.0 0.0 0.0 Crozier 71.5433 42.5862 121.936 Rhizome 0.483195 0.0 1.12614 Root 0.0 0.0 0.0