condition mean min max Sterile Leaflet 0.468983 0.0 0.844298 Fertile Leaflet with Sori 0.9895433333333333 0.567465 1.78114 Primary Rachis 0.525159 0.0 1.04282 Secondary Rachis 3.1401399999999997 0.0 7.2513 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0