condition mean min max Sterile Leaflet 2.18235 1.46156 2.98787 Fertile Leaflet with Sori 7.476956666666666 4.95295 10.2159 Petiole 4.530634333333333 0.578513 6.60597 Crozier 4.01377 2.52709 5.44308 Rhizome 5.68701 3.58867 8.95274 Root 3.032501 0.288633 6.89975