condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 1.73281 0.0 3.4402 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 0.0 0.0 0.0