condition mean min max Sterile Frond 17.7349 11.1199 21.7035 Fertile Frond 16.3935 11.7264 19.8403 Young Stem with Root 20.465833333333332 12.3287 29.365 Mature Stem with Root 19.947 16.6877 23.0405 Root 12.61656 8.58198 15.9553