condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.2256529999999999 0.567924 2.4027 Petiole 1.17846 0.0 3.53538 Crozier 0.0 0.0 0.0 Rhizome 1.2823336666666667 0.0 3.02647 Root 8.316196666666666 1.60579 12.2154