condition mean min max Sterile Leaflet 1.7835569999999998 0.101321 2.9284 Fertile Leaflet with Sori 2.636746666666667 2.47352 2.85368 Primary Rachis 2.481185 0.930035 4.39613 Petiole 2.096216666666667 1.75541 2.48583 Crozier 0.0 0.0 0.0 Rhizome 0.933447 0.434667 1.91343 Root 1.160587 0.945621 1.45502