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 6.77767 0.0 11.7876 Stolon 0.0 0.0 0.0 Stolon with Root 1.8327633333333333 0.0 5.49829