condition mean min max Sterile Frond 10.371306666666667 7.00882 13.0094 Fertile Frond 11.587316666666666 7.37955 14.9322 Young Stem with Root 14.55337 8.51191 20.2412 Mature Stem with Root 16.8054 14.9217 20.2942 Root 13.536 11.4938 15.86