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 6.296143333333333 0.1528 17.4786 Stolon 0.0 0.0 0.0 Stolon with Root 0.17521666666666666 0.0 0.353761