condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.48368000000000005 0.0 1.45104 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.0390816666666667 0.209745 7.75888 Root 0.14351866666666666 0.0 0.430556