condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 2.39217 0.0 7.17651 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 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0