condition mean min max Sterile Frond 574.3573333333334 421.83 764.254 Fertile Frond 532.893 459.318 613.278 Young Stem with Root 403.9313333333333 384.974 415.383 Mature Stem with Root 396.397 357.094 419.053 Root 385.671 331.877 428.282