condition mean min max Sterile Leaflet 3.9451500000000004 3.43956 4.34205 Fertile Leaflet with Sori 5.66336 4.47596 7.0563 Petiole 5.3572766666666665 5.14267 5.50476 Crozier 8.33547 7.08045 9.68926 Rhizome 4.911490000000001 3.40838 7.26822 Root 6.311476666666667 4.59267 7.48471