condition mean min max Sterile Leaflet 0.06356133333333333 0.0 0.190684 Fertile Leaflet with Sori 0.0674473 0.0 0.109527 Primary Rachis 4.86005 2.46552 7.12084 Petiole 2.9179866666666667 1.95757 3.6736 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0