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 15.964033333333333 0.0 47.8921 Stolon 0.0 0.0 0.0 Stolon with Root 0.10197366666666667 0.0 0.305921