condition mean min max Sterile Leaflet 7.040839999999999 0.0 17.1577 Fertile Leaflet with Sori 1.324679 0.248949 2.73501 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.2527198 0.0463474 0.607726 Petiole 0.0 0.0 0.0 Rhizome 0.1626928 0.0734024 0.271389 Root 0.0 0.0 0.0