condition mean min max Sterile Leaflet 0.264118 0.0 0.460513 Fertile Leaflet with Sori 4.687556 0.779348 11.7449 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.4452766666666667 0.0 1.33583 Petiole 0.043944333333333335 0.0 0.131833 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0