condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.9409966666666665 1.88523 5.94349 Primary Rachis 0.012178300000000001 0.0 0.0365349 Secondary Rachis 0.007387 0.0 0.022161 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0