condition mean min max Sterile Leaflet 1.4289066666666665 0.0 2.41375 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.39859333333333336 0.0 1.19578 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 17.28 4.71232 39.7847