condition mean min max Sterile Frond 4.12654 2.24553 7.14387 Fertile Frond 2.9038633333333337 1.63691 4.77932 Young Stem with Root 4.177505 0.505396 11.1291 Mature Stem with Root 5.05002 2.11306 8.54423 Root 0.9150863333333333 0.473822 1.69442