condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.26189466666666666 0.0 0.785684 Rhizome 2.2971133333333333 0.0 6.89134 Root 0.0 0.0 0.0