condition mean min max Sterile Frond 0.274694 0.0 0.608281 Fertile Frond 2.1030113333333333 0.797174 4.05912 Young Stem with Root 5.94943 1.31064 13.0454 Mature Stem with Root 5.792366666666667 3.70604 9.62231 Root 8.003309999999999 1.53503 12.1243