condition mean min max Sterile Leaflet 2.9080463333333335 0.897069 4.12161 Fertile Leaflet with Sori 4.039003 0.859119 5.70688 Petiole 4.006201 0.985853 7.36934 Crozier 5.303656666666667 2.56119 7.02157 Rhizome 5.31052 2.67247 8.4313 Root 2.070751 0.0 5.31992