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 4.38911 0.0 7.8715 Crozier 0.0 0.0 0.0 Rhizome 0.6286133333333334 0.0 1.88584 Stolon 0.15406899999999998 0.0 0.462207 Stolon with Root 7.90289 1.50844 15.9265