condition mean min max Sterile Leaflet 2.9989209999999997 0.102883 5.8918 Fertile Leaflet with Sori 0.060298 0.0 0.180894 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.03260843333333333 0.0 0.0978253 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0