condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 2.75304 0.0 8.25912 Fertile Leaflet with Sori 1.43553 0.411085 3.32799 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