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 0.58728 0.0 1.76184 Crozier 0.0 0.0 0.0 Rhizome 2.88064 0.0 7.57149 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0