condition mean min max Sterile Leaflet 1.1501016666666666 0.0 2.89978 Fertile Leaflet with Sori 2.4314910000000003 0.436383 5.631 Primary Rachis 1.3566610000000001 0.170043 2.78277 Petiole 0.4548023333333333 0.0 0.88642 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0