condition mean min max Sterile Leaflet 0.780003 0.0 1.53394 Fertile Leaflet with Sori 2.6602699999999997 0.0 6.70609 Primary Rachis 0.52384 0.0 1.57152 Secondary Rachis 1.012003 0.0 2.75883 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0