condition mean min max Sterile Leaflet 5.489066666666666 0.0 16.4672 Fertile Leaflet with Sori 0.6142386666666667 0.305797 1.22422 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0