condition mean min max Sterile Leaflet 2.1491766666666665 0.21039 5.33997 Fertile Leaflet with Sori 1.3376556666666666 0.772804 2.43242 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.298396 0.208243 0.460028 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0