condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 1.9717366666666667 0.0 5.91521 Mature Stem with Root 0.0 0.0 0.0 Root 0.9322233333333334 0.0 2.79667