condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.043734666666666665 0.0 0.131204 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0534311 0.0 0.0941528 Root 31.453966666666666 27.8403 37.0615