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 0.6673936666666667 0.0 1.42185 Stolon 0.0 0.0 0.0 Stolon with Root 5.36264 1.63992 10.5825