condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 4.21341 1.45703 9.71694 Stolon 0.9480066666666667 0.0 1.65672 Stolon with Root 0.9396733333333334 0.409353 1.62694