condition mean min max Sterile Leaflet 2.677878 0.0 7.89304 Fertile Leaflet with Sori 0.20269566666666666 0.0 0.564361 Primary Rachis 0.05704733333333333 0.0 0.171142 Petiole 0.054464000000000005 0.0 0.163392 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0