condition mean min max Sterile Leaflet 4.7805800000000005 2.81751 6.33981 Fertile Leaflet with Sori 5.2107399999999995 4.88795 5.5123 Primary Rachis 4.3992933333333335 4.02044 4.7838 Petiole 4.621506666666667 3.36139 6.19819 Crozier 4.04019 3.66713 4.30287 Rhizome 2.338783333333333 2.02958 2.67917 Root 1.7779059999999998 0.721118 2.31179