condition mean min max Sterile Leaflet 0.193856 0.0 0.416809 Fertile Leaflet with Sori 3.191411 0.589503 7.89145 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.5624412333333334 0.0 1.63213 Petiole 0.008313366666666667 0.0 0.0249401 Crozier 0.0 0.0 0.0 Root 0.3012129 0.0845337 0.486203