condition mean min max Sterile Leaflet 0.1490314 0.0898762 0.211145 Fertile Leaflet with Sori 4.643306666666667 2.0581 7.38544 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0656354 0.0316232 0.120437 Petiole 0.026942900000000002 0.0 0.0808287 Crozier 0.0 0.0 0.0 Root 0.045648 0.0 0.136944