condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.17633733333333335 0.0 0.303132 Young Stem with Root 0.047566 0.0 0.142698 Mature Stem with Root 6.121657666666667 0.113823 13.588 Root 0.723529 0.100788 1.23438