condition mean min max Sterile Leaflet 1.15105 0.0 2.27251 Fertile Leaflet with Sori 0.29479266666666665 0.0 0.884378 Primary Rachis 0.0 0.0 0.0 Petiole 0.148361 0.0 0.445083 Crozier 0.15332533333333334 0.0 0.459976 Rhizome 0.0 0.0 0.0 Root 19.53418 8.13944 34.851