condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.40377766666666665 0.30328 0.460297 Petiole 0.36323 0.0 1.08969 Crozier 0.0 0.0 0.0 Rhizome 0.3570772 0.0895946 0.505093 Root 2.157471666666667 0.395735 3.43629