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 2.8218599999999996 0.0 8.46558 Stolon 0.0 0.0 0.0 Stolon with Root 0.09431766666666667 0.0 0.282953