condition mean min max Sterile Leaflet 3.3156773333333334 0.185782 5.26852 Fertile Leaflet with Sori 1.0681433333333332 0.0 2.03536 Primary Rachis 0.063539 0.0 0.190617 Petiole 0.0 0.0 0.0 Root 0.0 0.0 0.0