condition mean min max Sterile Leaflet 18.551282999999998 0.241429 47.3456 Fertile Leaflet with Sori 10.599306666666667 6.47382 14.6907 Primary Rachis 6.008776666666667 3.12892 11.752 Petiole 3.001216 0.652838 5.3269 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.398271 0.0 0.830186