condition mean min max Sterile Frond 13.7963 12.1814 14.7679 Fertile Frond 14.9969 13.9997 16.3355 Young Stem with Root 17.8609 15.0003 21.4341 Mature Stem with Root 17.60066666666667 13.81 20.8057 Root 14.732099999999999 10.7304 20.7383