condition mean min max Sterile Leaflet 0.05169933333333334 0.0 0.155098 Fertile Leaflet with Sori 2.1764513333333335 0.291454 4.24918 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