condition mean min max Sterile Leaflet 2.9738499 0.0 8.83099 Fertile Leaflet with Sori 0.5721446666666667 0.0 1.32651 Primary Rachis 0.7649762999999999 0.0781099 1.68562 Petiole 0.4263033333333333 0.0 1.27891 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0