condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 2.5364433333333336 1.87464 3.403 Petiole 1.20459 0.0 3.61377 Crozier 0.0 0.0 0.0 Rhizome 3.001515 0.794235 4.5833 Root 6.284213333333334 3.03928 11.0786