condition mean min max Sterile Leaflet 0.062252966666666666 0.0 0.142932 Fertile Leaflet with Sori 0.038616000000000004 0.0 0.0963177 Primary Rachis 0.06874783333333333 0.0320503 0.0969965 Secondary Rachis 0.052441299999999996 0.0211865 0.0904875 Petiole 0.0390363 0.0 0.0686982 Crozier 4.1352400000000005 3.7301 4.33971 Root 4.730993333333333 3.91255 6.35495