condition mean min max Sterile Leaflet 0.17478133333333334 0.0 0.524344 Fertile Leaflet with Sori 0.11778866666666667 0.0 0.353366 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.162436 0.0 0.337465 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 2.9778599999999997 0.0 8.93358