condition mean min max Sterile Leaflet 0.07259233333333333 0.0 0.217777 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Root 2.4277933333333332 0.0 7.28338