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 0.10596366666666666 0.0 0.317891 Stolon 0.0 0.0 0.0 Stolon with Root 2.6566243333333333 0.767543 4.65009