condition mean min max Sterile Leaflet 1.8908786666666666 0.287386 3.20579 Fertile Leaflet with Sori 1.085024 0.948882 1.2553 Primary Rachis 3.490626666666667 2.46821 5.2731 Secondary Rachis 4.81306 2.33427 7.79196 Petiole 4.81374 3.00348 6.4214 Crozier 1.913628 0.612524 3.11323 Root 1.819638 0.326024 2.96226