condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.9322026666666666 0.0 1.95007 Crozier 0.0 0.0 0.0 Rhizome 0.41941 0.0 1.25823 Root 5.015 0.0 15.045