condition mean min max Sterile Leaflet 2.7948416666666667 0.0 7.54784 Mature Sterile Leaflet 0.35341 0.0 1.06023 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 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0