condition mean min max Sterile Leaflet 0.5559313 0.0674899 1.32926 Fertile Leaflet with Sori 2.3588 1.4335 3.77426 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.13980766666666666 0.0 0.280196 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0