condition mean min max Sterile Leaflet 0.0 0.0 0.0 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 3.3924666666666665 1.31605 4.70215 Rhizome 0.4548892666666667 0.0 1.32305 Root 0.0867891 0.0 0.219909