condition mean min max Sterile Leaflet 0.552956 0.111691 1.39087 Fertile Leaflet with Sori 2.51528 1.74028 4.02918 Primary Rachis 0.0789869 0.0407504 0.146597 Secondary Rachis 0.26032133333333335 0.115626 0.344469 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0