condition mean min max Sterile Leaflet 0.034416999999999996 0.0 0.103251 Fertile Leaflet with Sori 2.2456276666666666 0.288883 3.35961 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.02384733333333333 0.0 0.071542 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0