condition mean min max Sterile Leaflet 0.0088241 0.0 0.0264723 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 0.0 0.0 0.0 Rhizome 0.0330896 0.0 0.0768126 Root 4.7513309999999995 0.419263 8.74888