condition mean min max Sterile Leaflet 6.435296666666667 5.86505 7.05072 Fertile Leaflet with Sori 6.73255 6.41331 6.90516 Primary Rachis 5.7267600000000005 5.31712 6.46295 Petiole 5.18918 4.51478 5.86455 Crozier 6.35929 5.60727 7.54026 Rhizome 12.80189 9.43767 18.2661 Root 8.51342 7.05468 9.64041