condition mean min max Sterile Leaflet 0.9640946666666668 0.06575 2.14394 Fertile Leaflet with Sori 1.96737 1.84582 2.05365 Petiole 1.5276296666666667 0.251599 2.84196 Crozier 1.098063 0.219484 2.25685 Rhizome 1.97439 1.49003 2.45534 Root 1.78472 1.05103 2.91298