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 8.394013333333334 0.0 24.009 Stolon 1.3431873333333333 0.415732 2.26817 Stolon with Root 3.06694 2.88587 3.41152