condition mean min max Sterile Leaflet 0.0059718 0.0 0.0179154 Fertile Leaflet with Sori 0.199478 0.113253 0.283723 Primary Rachis 0.0165666 0.0 0.038639 Petiole 0.0035273333333333333 0.0 0.010582 Crozier 2.14712 1.73584 2.48354 Rhizome 0.20521826666666668 0.0356198 0.329934 Root 0.1496771 0.0521895 0.335794