condition mean min max Sterile Leaflet 0.14173893333333334 0.0317808 0.26662 Fertile Leaflet with Sori 3.7559193333333334 0.523048 8.1171 Primary Rachis 0.05624906666666667 0.0 0.140811 Secondary Rachis 0.042272699999999996 0.0 0.0655359 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0