condition mean min max Sterile Frond 1.6980966666666666 0.96022 2.57921 Fertile Frond 1.702512 0.391936 3.17008 Young Stem with Root 1.71427 1.24645 2.6214 Mature Stem with Root 2.86476 2.59474 3.00038 Root 6.73864 5.70245 7.6701