condition mean min max Sterile Leaflet 0.006686166666666667 0.0 0.0200585 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 5.34231 1.28674 10.9366