condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.70624 0.0 1.21234 Petiole 0.46725 0.0 1.0485 Crozier 1.8078866666666666 0.0 5.42366 Rhizome 2.4726633333333337 0.0 4.89838 Root 0.0 0.0 0.0