condition mean min max Sterile Leaflet 5.883946 0.0 16.6684 Fertile Leaflet with Sori 1.1939433333333334 0.0 3.58183 Primary Rachis 1.2907 0.0 3.8721 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