condition mean min max Sterile Leaflet 0.0209854 0.0 0.0629562 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.058222366666666664 0.0 0.121583 Root 3.013904666666667 0.354174 5.09126