condition mean min max Sterile Frond 0.34474999999999995 0.0 1.03425 Fertile Frond 3.1439818796666663 0.0 9.43174 Young Stem with Root 3.7256e-06 0.0 1.11768e-05 Mature Stem with Root 16.140833333333333 0.0 31.4511 Root 1.3357400000000001 0.0 4.00722