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 5.503923333333334 4.63541 6.62583 Rhizome 3.826976666666667 2.53293 4.57932 Root 0.0 0.0 0.0