condition mean min max Sterile Leaflet 0.287205 0.0 0.483316 Fertile Leaflet with Sori 6.162368666666667 0.194046 9.97089 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.13918066666666667 0.0 0.417542 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0