condition mean min max Sterile Leaflet 0.32361666666666666 0.0 0.706126 Fertile Leaflet with Sori 3.6471400000000003 0.0 9.52317 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 3.7756003333333332 0.0 11.126 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0