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 0.124322 0.0 0.372966 Stolon 0.0 0.0 0.0 Stolon with Root 3.707837666666667 0.142093 5.68924