condition mean min max Sterile Leaflet 4.693753333333333 3.70269 5.33364 Fertile Leaflet with Sori 4.02473 2.57718 4.9665 Primary Rachis 2.70327 2.13807 3.03525 Secondary Rachis 2.948906666666667 2.69207 3.3043 Petiole 2.63044 2.16173 3.08246 Crozier 2.68701 1.34394 3.9879 Root 0.922059 0.743776 1.1612