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 2.40787 0.0 7.22361 Stolon 0.0 0.0 0.0 Stolon with Root 1.9773433333333335 0.0 5.93203