condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.6174206666666666 0.688652 2.7356 Petiole 1.68966 0.0 5.06898 Crozier 0.0 0.0 0.0 Rhizome 1.8076153333333334 0.771166 3.08578 Root 5.2026900000000005 1.7073 10.5896