condition mean min max Sterile Frond 12.17379 4.25707 21.5177 Fertile Frond 6.4367 4.03023 8.57368 Young Stem with Root 2.6256033333333333 0.0 6.39248 Mature Stem with Root 6.9077 2.81589 10.8429 Root 2.292133333333333 0.8638 3.06244