condition mean min max Sterile Leaflet 3.232695 0.0 8.77823 Fertile Leaflet with Sori 2.79628 0.0 4.85651 Primary Rachis 0.2689226666666667 0.0 0.446842 Petiole 0.4347533333333333 0.0 1.30426 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0