condition mean min max Sterile Leaflet 2.173032 0.383376 4.40093 Fertile Leaflet with Sori 2.874438666666667 0.960306 4.74167 Petiole 0.08916433333333333 0.0 0.267493 Rhizome 0.15890200000000002 0.0 0.476706 Root 0.0 0.0 0.0