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 3.7145973333333333 0.137445 10.709 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0