condition mean min max Sterile Leaflet 0.021307000000000003 0.0 0.063921 Fertile Leaflet with Sori 2.55034 0.55883 4.09579 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.06636016666666666 0.0 0.134686 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0