condition mean min max Sterile Leaflet 3.3653999999999997 2.03755 5.93537 Fertile Leaflet with Sori 3.071092 0.396326 4.88527 Primary Rachis 2.218529 0.664197 4.30339 Secondary Rachis 1.8611633333333333 1.28124 2.87019 Petiole 1.4751873333333332 0.436332 2.26612 Crozier 1.46731 0.0 2.21642 Root 1.647839 0.398887 3.28715