condition mean min max Sterile Leaflet 1.4167866666666666 0.0 2.29964 Fertile Leaflet with Sori 0.294361 0.0 0.883083 Primary Rachis 4.0171280000000005 0.0 11.1577 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0