condition mean min max Sterile Leaflet 6.187383333333334 5.3204 7.43517 Fertile Leaflet with Sori 6.447393333333333 5.74845 6.84553 Primary Rachis 2.7608096666666664 0.853119 4.46458 Secondary Rachis 3.7082800000000002 2.23023 5.34116 Petiole 5.19492 3.53606 7.34204 Crozier 5.08059 4.87541 5.25511 Root 4.20621 1.8416 6.32062