condition mean min max Sterile Leaflet 0.15399983333333334 0.0 0.4357 Fertile Leaflet with Sori 4.217356666666666 1.64249 5.65703 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.07968116666666666 0.0 0.186158 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.009001799999999999 0.0 0.0270054