condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 17.613946666666667 0.0 45.486 Primary Rachis 0.124544 0.0 0.373632 Petiole 0.13713433333333333 0.0 0.411403 Crozier 0.0 0.0 0.0 Rhizome 0.116463 0.0 0.349389 Root 0.0 0.0 0.0