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 1.95386 0.0 5.86158 Stolon 0.0 0.0 0.0 Stolon with Root 0.4893066666666666 0.0 1.46792