condition mean min max Sterile Frond 2.125483 0.879619 3.55322 Fertile Frond 3.224006666666667 1.49788 4.99435 Young Stem with Root 5.162773 0.786079 8.79783 Mature Stem with Root 3.4077766666666665 2.62423 4.20991 Root 3.79529 3.63772 3.93191