condition mean min max Sterile Leaflet 0.06675033333333334 0.0 0.200251 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.714819 0.0 1.92754 Crozier 0.0 0.0 0.0 Rhizome 0.06461499999999999 0.0 0.193845 Root 2.7528956666666664 0.0 7.2726