condition mean min max Sterile Leaflet 0.48692 0.0 1.46076 Fertile Leaflet with Sori 0.5730276666666667 0.282863 0.870448 Primary Rachis 1.2951116666666667 0.563538 2.64135 Petiole 2.5282020000000003 0.0 7.31214 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0