condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.024973533333333336 0.0 0.0749206 Secondary Rachis 0.0 0.0 0.0 Petiole 0.13918066666666667 0.0 0.417542 Crozier 0.0 0.0 0.0 Root 4.74587 1.5282 8.70905