condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.670873666666666 0.0 13.8317 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.6837966666666667 0.0 2.05139 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0