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 Petiole 0.16442833333333332 0.0 0.493285 Root 2.5690433333333336 0.0 7.70713