condition mean min max Sterile Leaflet 2.01773 1.86136 2.20336 Fertile Leaflet with Sori 1.28624 1.16978 1.51137 Primary Rachis 1.41699 1.13374 1.5984 Secondary Rachis 1.058054 0.921609 1.28811 Petiole 1.141479 0.806217 1.3473 Crozier 1.6675266666666666 1.20665 2.01949 Root 0.6969523333333334 0.340818 1.04749