condition mean min max Sterile Leaflet 2.2279733333333334 1.89439 2.65637 Fertile Leaflet with Sori 3.7938 2.44173 4.83026 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.17342833333333332 0.0 0.520285 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0