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 0.129265 0.0 0.387795 Crozier 0.0 0.0 0.0 Rhizome 4.3975 2.10646 8.59946 Stolon 0.0 0.0 0.0 Stolon with Root 4.693033333333333 3.34538 6.07411