condition mean min max Sterile Leaflet 3.4752733333333334 1.18281 6.51158 Fertile Leaflet with Sori 3.357424 0.743002 6.36441 Primary Rachis 3.158184 0.404762 5.77214 Petiole 2.238668 0.665674 3.03893 Crozier 0.06756 0.0 0.20268 Rhizome 0.0 0.0 0.0 Root 0.08404266666666667 0.0 0.252128