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 5.81493 0.0 8.85875 Stolon 0.0 0.0 0.0 Stolon with Root 3.033173333333333 0.356628 8.00991