condition mean min max Sterile Leaflet 2.2687766666666667 0.0 6.80633 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.67484 0.0 2.02452 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.09721133333333333 0.0 0.291634