condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.18263 0.0 4.00491 Primary Rachis 0.4319986666666667 0.0 0.834072 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 2.319066 0.866698 3.58705 Root 1.8182566666666666 0.0 5.45477