Appendix D. Cross sections of first-order Acer pseudoplatanus and Picea abies roots showing presence of endodermis.
|FIG. D1. (A) Cross-section of a first-order Acer pseudoplatanus root stained with 0.05% phloroglucinol. The xylem and the thickened walls of the exodermis are stained red, and the latter is marked with an arrow. (B) Cross-section of a white first-order Picea abies root stained with 0.05% phloroglucinol. The exodermis is stained red and marked with an arrow.|