condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.07712773333333334 0.0 0.142796 Crozier 0.05906733333333333 0.0 0.177202 Rhizome 2.72682 0.0 5.90964 Root 17.650753 0.689689 45.1632