condition mean min max Sterile Leaflet 0.080813 0.0 0.242439 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 10.408413333333334 2.88834 14.4926