condition mean min max Sterile Leaflet 8.656251666666666 0.282335 16.5028 Fertile Leaflet with Sori 8.60646 2.14058 19.7001 Primary Rachis 7.35593 4.89326 9.35172 Petiole 2.3668793333333333 0.765818 3.67396 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0