condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.08579433333333332 0.0 0.257383 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.075687 0.0 0.227061 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 2.16906 0.0 6.26019