condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.15365233333333334 0.0 0.295299 Young Stem with Root 13.489540000000002 0.0 37.5979 Mature Stem with Root 1.52884 0.0 3.5343 Root 3.0192586666666665 0.100716 6.97472