condition mean min max Sterile Frond 2.045527766666667 0.0265213 5.96762 Fertile Frond 0.08797700000000001 0.0 0.263931 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0122913 0.0 0.0368739 Root 0.0 0.0 0.0