condition mean min max Sterile Leaflet 0.011709466666666666 0.0 0.0351284 Fertile Leaflet with Sori 0.09057756666666666 0.0 0.201237 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 5.4587701 0.0654493 15.5049