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 1.9727685666666668 0.0458077 5.57498 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0