condition mean min max Sterile Leaflet 0.22966066666666665 0.0 0.35547 Fertile Leaflet with Sori 2.67017 0.62349 5.56346 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.07188036666666667 0.0 0.147537 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0