condition mean min max Sterile Leaflet 0.5007786666666667 0.178503 0.86673 Fertile Leaflet with Sori 0.651655 0.556407 0.803977 Primary Rachis 0.011738566666666667 0.0 0.0187723 Petiole 0.0 0.0 0.0 Crozier 1.94059 1.51604 2.25522 Rhizome 0.984931 0.601228 1.35956 Root 0.2653898 0.0177404 0.550714