condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 2.1973566666666664 0.0 6.59207 Fertile Leaflet with Sori 0.05484 0.0 0.16452 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0