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 2.36401 0.0 7.09203 Stolon 0.0 0.0 0.0 Stolon with Root 0.08144983333333333 0.0 0.181148