condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.41146666666666665 0.0 1.2344 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 5.496733333333334 0.0 16.4902 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0