condition mean min max Sterile Leaflet 0.17897766666666667 0.0 0.536933 Fertile Leaflet with Sori 2.6379191 0.0627213 7.45041 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.03828533333333333 0.0 0.114856 Crozier 0.0 0.0 0.0 Root 0.059038 0.0 0.177114