condition mean min max Sterile Frond 15.736732666666668 0.729808 41.9087 Fertile Frond 16.452785333333335 0.206396 46.3694 Young Stem with Root 7.888444 0.155322 16.0386 Mature Stem with Root 22.17565 0.0 63.6343 Root 4.091393333333333 0.0 11.1877