condition mean min max Sterile Leaflet 0.17805400000000002 0.0 0.534162 Mature Sterile Leaflet 14.558966666666668 0.0 43.6769 Fertile Leaflet with Sori 7.807503333333334 0.0 19.8989 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