condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 11.808712333333332 0.0 35.269 Primary Rachis 0.24214 0.0 0.72642 Secondary Rachis 4.7883000000000004 0.0 14.3649 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.17844266666666667 0.0 0.535328