condition mean min max Sterile Leaflet 0.16256 0.0 0.48768 Fertile Leaflet with Sori 0.14718033333333333 0.0 0.441541 Primary Rachis 0.127404 0.0 0.382212 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 1.02902 0.0 2.73972 Root 6.0950766666666665 1.00727 10.2966