condition mean min max Sterile Leaflet 0.34532 0.0 1.03596 Fertile Leaflet with Sori 0.087156 0.0 0.261468 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.07066866666666667 0.0 0.212006 Petiole 0.0 0.0 0.0 Crozier 3.4371876666666665 0.267553 5.65938 Root 0.0 0.0 0.0