condition mean min max Sterile Frond 3.517593333333333 3.40543 3.66761 Fertile Frond 3.51853 2.6532 4.29417 Young Stem with Root 1.8980966666666668 1.1268 2.99806 Mature Stem with Root 2.076469 0.979517 3.12177 Root 1.09494 0.613403 1.68047