condition mean min max Sterile Leaflet 3.6484 0.0 10.9452 Fertile Leaflet with Sori 0.13012300000000002 0.0 0.390369 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 14.660216666666667 7.48825 26.1239 Rhizome 0.0 0.0 0.0 Root 0.28253866666666666 0.0 0.547952