condition mean min max Sterile Frond 7.183700000000001 0.0 21.5511 Fertile Frond 7.219 0.0 21.657 Young Stem with Root 0.5500433333333333 0.0 1.65013 Mature Stem with Root 9.4208 0.0 28.2624 Root 0.4198 0.0 1.2594