condition mean min max Sterile Leaflet 2.8093966666666668 0.0 7.03517 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.8640356666666668 0.240286 1.52686 Petiole 0.075415 0.0 0.226245 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.079219 0.0 0.237657