condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.163553333333333 2.40154 4.01852 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.06636299999999999 0.0 0.199089 Rhizome 0.039565333333333334 0.0 0.118696 Root 0.042425 0.0 0.127275