condition mean min max Sterile Leaflet 0.297692 0.277745 0.315204 Fertile Leaflet with Sori 2.530714666666667 0.296434 5.59607 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.48067730000000003 0.0 1.34644 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0