condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 6.445987 0.0 18.953 Young Stem with Root 14.525996666666668 2.86035 32.2137 Mature Stem with Root 226.87464 5.88842 654.271 Root 305.63349999999997 93.2475 707.401