condition mean min max Sterile Leaflet 1.9584678 0.0750774 5.4719 Fertile Leaflet with Sori 1.2096143333333333 0.0 3.46745 Primary Rachis 2.478029333333333 0.0 7.20252 Petiole 0.0928265 0.0752019 0.127844 Crozier 0.0 0.0 0.0 Rhizome 0.021606399999999998 0.0 0.0648192 Root 0.0 0.0 0.0