condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.686793333333333 3.13417 5.52168 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.02327186666666667 0.0189039 0.0268511 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0