condition mean min max Sterile Leaflet 4.53026 0.0 9.37856 Fertile Leaflet with Sori 1.2179433333333334 0.0 2.0247 Primary Rachis 0.24601199999999998 0.0 0.40874 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