condition mean min max Sterile Leaflet 0.03026296666666667 0.0 0.0907889 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 0.0 0.0 0.0 Rhizome 0.0254833 0.0 0.0764499 Root 10.0389 0.0 27.5334