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 0.32400233333333334 0.0 0.972007 Rhizome 5.6865353333333335 0.752056 14.8854 Stolon 0.324814 0.0 0.502061 Stolon with Root 0.44144333333333335 0.0 1.32433