condition mean min max Sterile Frond 3.7445686666666664 0.757696 7.3321 Fertile Frond 5.525915 0.560945 9.67291 Young Stem with Root 3.3349333333333333 2.3884 4.77037 Mature Stem with Root 6.255450000000001 2.00835 9.01157 Root 3.60351 1.10046 5.59733