condition mean min max Sterile Leaflet 2.1226249999999998 0.227855 3.13101 Fertile Leaflet with Sori 0.14314333333333334 0.0 0.214889 Petiole 0.0 0.0 0.0 Crozier 4.495923333333334 1.60463 7.396 Rhizome 1.02091 0.0 3.06273 Root 0.0 0.0 0.0