condition mean min max Sterile Leaflet 1.6780666666666666 0.0 3.21547 Fertile Leaflet with Sori 2.5246649999999997 0.786215 3.73338 Primary Rachis 1.7219333333333333 1.24233 2.12518 Petiole 0.968191 0.160627 1.99603 Crozier 0.0 0.0 0.0 Rhizome 0.225934 0.0 0.677802 Root 8.726735 0.300745 22.3285