condition mean min max Sterile Leaflet 0.09086100000000001 0.0 0.272583 Fertile Leaflet with Sori 2.8225933333333333 1.7876 4.41609 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.09650366666666667 0.0 0.289511 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0