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 0.056503 0.0 0.169509 Crozier 0.0 0.0 0.0 Rhizome 0.18645933333333334 0.0 0.559378 Root 3.8481666666666663 0.0 11.5445