condition mean min max Sterile Leaflet 1.2870313333333334 0.264724 1.79836 Fertile Leaflet with Sori 1.5134919999999998 0.990706 2.00547 Primary Rachis 1.26684 0.97663 1.57486 Secondary Rachis 1.7810186666666665 0.908246 2.8284 Petiole 1.103881 0.813713 1.41387 Crozier 3.0089500000000005 1.59373 4.66513 Root 0.78968 0.0 1.23495