condition mean min max Sterile Leaflet 2.0717966666666667 0.0 6.21539 Fertile Leaflet with Sori 0.09182320000000001 0.0 0.186729 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 23.606066666666667 22.3477 25.2454 Rhizome 7.69265 0.0 20.9142 Root 19.625 0.0 37.3963