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 2.279609766666667 0.0 6.76686 Stolon 0.11064693333333334 0.0 0.260728 Stolon with Root 0.14084313333333334 0.071554 0.274998