condition mean min max Sterile Leaflet 0.9060733333333334 0.0 1.39874 Fertile Leaflet with Sori 0.8585753333333332 0.0 2.13439 Primary Rachis 0.0 0.0 0.0 Petiole 0.267007 0.0 0.406998 Crozier 0.0 0.0 0.0 Rhizome 0.234296 0.0 0.368412 Root 6.110621999999999 0.690746 8.87849