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Figure 3: Triphysaria haustoria on Arabidopsis root The photo on the left shows a haustorium (H) forming on the root of Triphysaria (T) upon contact with an Arabidopsis root (A) in vitro. The photo on the right is a free hand section through a haustorium and shows the xylem bridge (XB) (photo by Hugette Albrecht). The Arabidopsis root has been detached from the haustorium and is not seen in this section.
