condition mean min max Sterile Leaflet 0.028076 0.0 0.084228 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 0.4130056666666667 0.0 1.13823 Root 4.3144692000000004 0.0896526 12.7299