condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.04244266666666666 0.0 0.127328 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.16303900000000002 0.0 0.489117 Petiole 0.032644566666666666 0.0 0.0979337 Crozier 0.0 0.0 0.0 Root 6.555655333333333 0.0 19.5398