condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 18.4545 1.19764 51.736 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 2.49477 0.0 5.70056 Petiole 0.0 0.0 0.0 Rhizome 1.20089 0.0 2.66604 Root 0.080335 0.0 0.241005