condition mean min max Sterile Leaflet 0.027515566666666668 0.0 0.0825467 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.8108666666666666 0.0 2.4326 Root 5.4144676 0.0584658 16.0791