condition mean min max Sterile Leaflet 58.11636666666667 0.0 142.401 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.03229103333333334 0.0 0.0968731 Secondary Rachis 0.014591 0.0 0.043773 Petiole 0.065181 0.0 0.195543 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0