condition mean min max Sterile Leaflet 2.3616133333333336 1.71886 2.98394 Fertile Leaflet with Sori 2.3462899999999998 2.19722 2.58904 Primary Rachis 2.13932 1.89031 2.34856 Petiole 2.03531 1.81035 2.22912 Crozier 1.80803 1.73934 1.87823 Rhizome 1.3426586666666667 0.955606 1.73422 Root 0.688073 0.454337 0.862417