condition mean min max Sterile Frond 1.9582213333333334 0.574244 3.63682 Fertile Frond 4.0800030000000005 0.559819 8.69297 Young Stem with Root 20.133882 0.610546 33.5231 Mature Stem with Root 6.013593333333334 1.32698 11.0678 Root 1.239187 0.299311 2.13999