condition mean min max Sterile Leaflet 3.1474110000000004 0.0 8.99524 Fertile Leaflet with Sori 0.43022999999999995 0.0 1.29069 Primary Rachis 0.23302233333333333 0.0 0.699067 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