condition mean min max Sterile Leaflet 0.23130133333333333 0.0 0.512227 Fertile Leaflet with Sori 0.188737 0.0 0.347651 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 10.713036666666667 1.20558 29.4906