condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.891761 0.0 1.94722 Petiole 0.937002 0.0 1.97526 Crozier 0.08063 0.0 0.24189 Rhizome 2.274726666666667 0.0 5.3143 Root 2.7073899999999997 0.0 4.76425