condition mean min max Sterile Leaflet 0.191617 0.0 0.574851 Fertile Leaflet with Sori 4.51362 3.08103 7.2354 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.09447766666666667 0.0 0.283433