condition mean min max Sterile Frond 1.9239333333333333 1.15836 2.65407 Fertile Frond 4.07648 1.03666 10.1494 Young Stem with Root 2.1253900000000003 0.79305 4.53136 Mature Stem with Root 8.513308 0.269494 21.7134 Root 0.438058 0.242855 0.583807