condition mean min max Sterile Leaflet 0.03322053333333334 0.0 0.0996616 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 3.1635233333333335 2.20907 3.78585 Rhizome 0.304607 0.0 0.913821 Root 1.6599599999999999 0.0 3.18042