condition mean min max Sterile Leaflet 0.018434666666666665 0.0 0.055304 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 0.0 0.0 0.0 Rhizome 0.0202219 0.0 0.0606657 Root 4.681313566666667 0.0706707 13.5177