condition mean min max Sterile Frond 4.07113 3.08274 5.79313 Fertile Frond 3.5284103333333334 0.854481 5.48363 Young Stem with Root 3.292926 0.449418 6.94243 Mature Stem with Root 4.416763333333334 3.44314 6.32272 Root 1.754331 0.586543 2.76378