condition mean min max Sterile Frond 2.56559 0.0 4.00333 Fertile Frond 2.435528 0.312111 6.0556 Young Stem with Root 8.752486666666666 1.33264 19.5155 Mature Stem with Root 10.807054666666668 0.301674 28.7938 Root 0.440031 0.0 0.829077