condition mean min max Sterile Leaflet 0.16931326666666666 0.0379618 0.318548 Fertile Leaflet with Sori 2.55264 1.04684 4.28611 Primary Rachis 0.0203558 0.0 0.0333322 Secondary Rachis 0.5752706666666667 0.273784 0.867457 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0