condition mean min max Sterile Leaflet 9.585190666666666 0.0 28.2854 Fertile Leaflet with Sori 2.7964300000000004 0.0 8.38929 Primary Rachis 2.39951 0.0 7.19853 Petiole 0.2513646666666667 0.0 0.754094 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0