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 2.66264 0.0 7.98792 Stolon 0.0 0.0 0.0 Stolon with Root 3.24532 0.0 9.73596