condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.31664600000000004 0.0 0.758353 Crozier 0.0 0.0 0.0 Rhizome 2.111558 0.0 6.1767 Root 26.103969999999997 0.0 73.8003