condition mean min max Sterile Leaflet 0.24566733333333332 0.169289 0.397688 Fertile Leaflet with Sori 2.4335956666666667 0.821497 3.52209 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.11646400000000001 0.0 0.261684 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.035536 0.0 0.106608