condition mean min max Sterile Leaflet 1.4885133333333334 0.0 2.99658 Fertile Leaflet with Sori 1.2703033333333333 0.0 2.44526 Petiole 5.4497599999999995 1.58142 9.16976 Crozier 2.9665 0.0 6.18305 Rhizome 4.176704 0.973402 9.95763 Root 0.0 0.0 0.0