condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.9942920333333334 0.0693861 2.37649 Petiole 0.45914000000000005 0.0 1.37742 Crozier 0.0114564 0.0 0.0343692 Rhizome 0.9291350666666667 0.0294332 2.06895 Root 4.049014333333334 0.909933 9.53611