condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.6612933333333335 0.0 7.98388 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.9456430000000005 0.251439 7.98592 Root 1.2359529999999999 0.0 3.43124