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 3.060296666666667 0.0 4.85751 Stolon 0.0 0.0 0.0 Stolon with Root 1.009841 0.467585 1.68702