condition mean min max Sterile Leaflet 0.7790886666666667 0.104926 1.22498 Fertile Leaflet with Sori 1.72783 1.27138 2.43454 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.07638766666666667 0.0 0.229163 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0