condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.018365833333333335 0.0 0.0550975 Petiole 0.010128 0.0 0.030384 Crozier 0.0 0.0 0.0 Rhizome 0.17341933333333334 0.0 0.520258 Root 2.6179699999999997 0.0 4.75604