condition mean min max Sterile Leaflet 4.763163333333333 2.68442 7.68977 Fertile Leaflet with Sori 5.971570000000001 4.19477 8.2283 Primary Rachis 3.78955 1.37839 5.82406 Petiole 4.151896666666667 1.79419 6.88205 Crozier 2.108412 0.845696 3.23148 Rhizome 2.19296 1.51273 2.83593 Root 1.47364 0.0 2.69553