condition mean min max Sterile Leaflet 3.42775 2.12085 4.95062 Fertile Leaflet with Sori 3.134336666666667 2.40262 3.51786 Petiole 3.24737 2.49061 3.7102 Crozier 3.24364 1.98626 4.70664 Rhizome 3.27444 2.57362 4.10731 Root 2.374925 0.350595 3.67612