condition mean min max Sterile Leaflet 4.107451999999999 0.160796 9.15397 Fertile Leaflet with Sori 2.9270733333333334 1.34922 4.26517 Primary Rachis 0.20055800000000001 0.113624 0.363549 Petiole 0.1624623 0.0186669 0.336579 Crozier 0.0 0.0 0.0 Rhizome 0.0081263 0.0 0.0157788 Root 0.0052954 0.0 0.0158862