condition mean min max Sterile Leaflet 1.563951 0.400375 3.70045 Fertile Leaflet with Sori 0.46450606666666666 0.0872092 0.871506 Primary Rachis 1.6818067 0.0429232 4.92271 Secondary Rachis 7.131301000000001 0.130302 20.9324 Petiole 0.6922992666666666 0.0 2.01015 Crozier 3.4056930000000003 0.933929 8.12274 Root 14.02379 8.19747 17.9059