condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.91808 0.0 7.19745 Primary Rachis 0.3559833333333333 0.0 1.06795 Petiole 0.0 0.0 0.0 Root 0.9196063333333333 0.0 1.91147