condition mean min max Sterile Leaflet 0.278339 0.199943 0.32018 Fertile Leaflet with Sori 5.569731666666667 0.789575 9.50913 Primary Rachis 0.022343766666666667 0.0 0.0418517 Secondary Rachis 0.8196085 0.0276255 1.26967 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.091424 0.0 0.161702