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 3.26454 0.0 9.79362 Stolon 0.0 0.0 0.0 Stolon with Root 0.197314 0.0 0.591942