condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0050853999999999995 0.0 0.0152562 Rhizome 0.040958 0.0 0.122874 Root 2.2439081 0.0 6.64823