condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.4589903333333334 0.0 7.23826 Primary Rachis 0.022986833333333335 0.0 0.0346573 Secondary Rachis 1.4339433333333333 0.0 4.30183 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0163185 0.0 0.0489555