condition mean min max Sterile Leaflet 0.192804 0.0 0.578412 Fertile Leaflet with Sori 0.12422699999999999 0.0 0.372681 Primary Rachis 2.9330366666666667 1.04634 5.31236 Secondary Rachis 1.6985903333333332 0.927911 2.57435 Petiole 3.55944 1.00236 7.01832 Crozier 0.4378613333333333 0.0 0.988376 Root 0.501389 0.346551 0.765213