condition mean min max Sterile Frond 2.9926366666666664 0.0 8.97791 Fertile Frond 1.76489 0.0 5.29467 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.24293133333333336 0.0 0.728794 Root 0.0 0.0 0.0