condition mean min max Sterile Leaflet 10.944230000000001 0.0 29.6522 Fertile Leaflet with Sori 1.2055463333333334 0.361339 2.15869 Primary Rachis 0.6433996666666667 0.584877 0.726967 Petiole 0.23432699999999998 0.0 0.702981 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0