condition mean min max Sterile Frond 17.759466666666665 11.415 26.7976 Fertile Frond 21.545733333333335 16.057 27.6236 Young Stem with Root 11.17729 8.13477 15.1827 Mature Stem with Root 5.8328679999999995 0.791194 14.0894 Root 1.104555 0.0 2.47789