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 0.0144689 0.0 0.0434067 Rhizome 0.150884 0.0 0.232184 Root 5.695976666666667 3.49804 6.96007