condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.017372666666666665 0.0 0.052118 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.031219066666666666 0.0 0.0936572 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 3.669568 0.436431 9.69055