condition mean min max Sterile Leaflet 0.050610666666666665 0.0 0.151832 Fertile Leaflet with Sori 2.123962333333333 0.526467 3.8844 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.050412000000000005 0.0 0.151236 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0