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 3.46169 0.0 6.01518 Stolon 0.0 0.0 0.0 Stolon with Root 1.9512533333333335 0.0 3.75761