condition mean min max Sterile Leaflet 0.207759 0.112545 0.262631 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 6.891013333333333 4.32327 8.56933 Petiole 11.213140000000001 5.52798 19.0682 Crozier 14.8962 11.7974 17.8921 Rhizome 11.20957 1.75751 29.5753 Root 7.10078 4.01951 11.0703