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 25.3015 0.0 45.4366 Stolon 0.078224 0.0 0.234672 Stolon with Root 0.5230666666666667 0.0 1.5692