condition mean min max Sterile Leaflet 0.02754 0.0 0.08262 Fertile Leaflet with Sori 1.8932266666666666 1.19943 2.64241 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0