condition mean min max Sterile Frond 6.93919 4.31671 9.0404 Fertile Frond 6.3389500000000005 3.34646 8.72213 Young Stem with Root 5.396246666666666 3.70486 6.93591 Mature Stem with Root 7.6835 6.59587 8.89225 Root 8.402936666666667 6.58742 9.32836