condition mean min max Sterile Leaflet 10.708066666666667 0.0 32.1242 Fertile Leaflet with Sori 1.25116 0.0 3.75348 Primary Rachis 0.5986866666666667 0.0 1.79606 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0