condition mean min max Sterile Leaflet 9.13131 1.93163 14.2648 Fertile Leaflet with Sori 4.885103333333333 1.82648 10.421 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.6055866666666667 1.17204 2.33181 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0