condition mean min max Sterile Leaflet 3.55844 2.31684 4.23247 Fertile Leaflet with Sori 0.5127793333333334 0.0 1.32556 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.23689066666666667 0.0 0.459902 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.94984 0.0 2.06015