condition mean min max Sterile Leaflet 3.396403333333333 2.91402 4.2997 Fertile Leaflet with Sori 1.689161 0.416113 2.58932 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.051019 0.0 0.153057 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.04318533333333333 0.0 0.129556