condition mean min max Sterile Leaflet 0.12579766666666667 0.0 0.377393 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 11.025456 0.385018 27.6806 Rhizome 7.0948 0.0 21.2844 Root 289.0586666666667 0.0 529.068