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 3.2231466666666666 0.0 5.58002 Stolon 0.0 0.0 0.0 Stolon with Root 2.676833333333333 0.0 8.0305