condition mean min max Sterile Leaflet 0.2713136666666667 0.0 0.813941 Fertile Leaflet with Sori 4.940383333333333 1.49785 11.6558 Primary Rachis 0.073364 0.0 0.220092 Secondary Rachis 1.248411 0.212006 2.81405 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 3.4928 1.56663 5.07566