condition mean min max Sterile Leaflet 0.013318766666666667 0.0 0.0399563 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 2.5900499999999997 1.05059 5.62053