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 7.658407666666667 0.0 22.4675 Stolon 0.0 0.0 0.0 Stolon with Root 0.126776 0.0 0.380328