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 7.069504666666666 0.131134 19.6958 Stolon 0.0 0.0 0.0 Stolon with Root 0.09848966666666666 0.0 0.295469