condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.2210900000000002 0.0 4.37138 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.2828213333333333 0.0 0.848464 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0