condition mean min max Sterile Leaflet 3.052936666666667 0.0 9.15881 Fertile Leaflet with Sori 0.025558 0.0 0.076674 Primary Rachis 0.11123643333333334 0.0 0.259726 Secondary Rachis 0.0 0.0 0.0 Petiole 0.08038733333333332 0.0 0.241162 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0