condition mean min max Sterile Leaflet 19.9189 0.0 37.5819 Fertile Leaflet with Sori 0.491101 0.341453 0.690673 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 2.268231333333333 0.0 6.16433 Petiole 0.75151 0.0 2.25453 Crozier 0.0 0.0 0.0 Root 0.35841666666666666 0.0 1.07525