condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.5748966666666666 0.0 7.72469 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.030156699999999998 0.0 0.0904701 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.08881599999999999 0.0 0.138537