condition mean min max Sterile Leaflet 0.16594 0.0 0.49782 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.07990866666666667 0.0 0.239726 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 6.4684333333333335 0.0 19.4053