condition mean min max Sterile Leaflet 0.112037 0.0 0.336111 Fertile Leaflet with Sori 0.11851533333333333 0.0 0.19265 Primary Rachis 0.118724 0.0 0.356172 Petiole 0.06501833333333333 0.0 0.195055 Crozier 0.655344 0.177404 0.977721 Rhizome 0.729776 0.386519 1.30938 Root 21.848683 0.222049 35.5223