condition mean min max Sterile Leaflet 5.632303333333334 0.0 13.739 Fertile Leaflet with Sori 0.10840100000000001 0.0 0.325203 Primary Rachis 0.8589456666666667 0.0 2.07243 Petiole 0.035646000000000004 0.0 0.106938 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.31182533333333334 0.0 0.935476