condition mean min max Sterile Frond 8.80203 3.86534 15.7955 Fertile Frond 4.190616666666667 1.64016 6.24847 Young Stem with Root 3.11743 1.73571 5.34239 Mature Stem with Root 4.312243333333333 2.01397 7.22087 Root 1.41214 0.95648 2.05301