condition mean min max Sterile Leaflet 0.0006460809 0.0 0.00184023 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.000156391 0.0 0.000469173 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 12.693586666666667 0.0 35.1012