condition mean min max Sterile Leaflet 4.233866666666667 3.20315 5.85218 Fertile Leaflet with Sori 6.19539 3.92504 10.5928 Primary Rachis 2.67706 2.04441 3.74536 Secondary Rachis 2.94592 1.75246 4.51859 Petiole 2.52307 1.86027 2.88538 Crozier 3.7884533333333335 3.3304 4.64337 Root 2.109476 0.971518 3.23715