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 2.54452 0.0 7.63356 Stolon 0.0 0.0 0.0 Stolon with Root 4.633113666666667 0.313361 12.2878