condition mean min max Sterile Leaflet 1.31351 0.0 3.94053 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 4.921256666666666 1.55572 10.0346 Rhizome 0.0 0.0 0.0 Root 0.19313499999999997 0.0 0.579405