condition mean min max Sterile Leaflet 3.719114333333333 0.898823 9.18018 Fertile Leaflet with Sori 4.409660000000001 2.87706 7.42436 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 2.2556493333333334 0.245208 3.69638 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0