condition mean min max Sterile Leaflet 3.09795 1.51811 4.61397 Fertile Leaflet with Sori 3.6667 3.33455 3.94977 Primary Rachis 3.43912 3.23051 3.5701 Petiole 3.26552 2.46375 4.05444 Crozier 3.84231 3.54997 4.00619 Rhizome 2.743873333333333 1.92041 3.99668 Root 1.7820776666666667 0.915403 2.27254