condition mean min max Sterile Frond 3.14583 2.49872 3.73603 Fertile Frond 4.4689499999999995 2.51655 6.29363 Young Stem with Root 3.88254 3.28578 4.96134 Mature Stem with Root 4.924696666666667 3.52824 6.49322 Root 4.18038 2.77067 5.06221