condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0134252 0.0 0.0402756 Primary Rachis 0.012564966666666668 0.0 0.0376949 Petiole 0.08091709999999999 0.0397093 0.161762 Crozier 0.305725 0.121099 0.577295 Rhizome 10.21662 4.67293 17.0636 Root 0.1767175 0.0873615 0.237601