condition mean min max Sterile Leaflet 3.6003866666666666 1.79427 4.77815 Fertile Leaflet with Sori 2.54961 2.26791 2.85781 Primary Rachis 1.93161 1.6441 2.18363 Petiole 2.62136 2.45433 2.8672 Crozier 3.28874 2.96931 3.86289 Rhizome 2.67996 2.43249 2.8173 Root 6.635903333333333 6.19691 7.06007