condition mean min max Sterile Leaflet 5.241019533333333 0.0704886 9.11479 Fertile Leaflet with Sori 0.36470766666666665 0.127472 0.632223 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.25421 0.0 0.642839 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0