condition mean min max Sterile Leaflet 2.88817 2.31469 3.96085 Fertile Leaflet with Sori 3.403963333333333 2.64654 4.58665 Primary Rachis 2.2662833333333334 1.78161 2.77382 Secondary Rachis 3.50187 2.6443 5.06992 Petiole 1.66011 1.35807 1.90321 Crozier 5.61385 2.48042 9.82658 Root 3.15535 2.41112 3.81942