condition mean min max Sterile Leaflet 2.8535633333333332 1.88411 4.44557 Fertile Leaflet with Sori 3.73942 2.45813 5.41313 Primary Rachis 4.112853333333333 2.73255 5.98516 Secondary Rachis 3.83999 2.03151 6.25409 Petiole 3.8382899999999998 3.34833 4.7675 Crozier 3.7775600000000003 1.38585 5.57265 Root 3.4526153333333336 0.919086 4.86404