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 1.1748666666666667 0.0 3.5246 Stolon 0.0 0.0 0.0 Stolon with Root 9.357066666666666 2.6975 14.7414