condition mean min max Sterile Frond 0.05259693333333334 0.0 0.0842954 Fertile Frond 0.148101 0.0 0.444303 Young Stem with Root 3.174633666666667 0.549141 4.80275 Mature Stem with Root 0.5539678 0.0792574 1.28938 Root 1.29828 0.0 2.67044