condition mean min max Sterile Leaflet 3.700922333333333 0.304737 9.44489 Fertile Leaflet with Sori 4.2957 0.0 12.0347 Primary Rachis 1.00623 0.0 3.01869 Secondary Rachis 1.2075593333333332 0.0 3.1616 Petiole 1.0157770000000002 0.0 2.81517 Crozier 4.261733333333333 0.0 12.7852 Root 0.261167 0.0 0.783501