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 0.283006 0.0 0.608028 Stolon 0.0 0.0 0.0 Stolon with Root 3.1435576666666667 0.677963 5.77429