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Detailed anatomy of the haustorial interface of Cassytha filiformis with Acacia mangium at (a) ×10 magnification (b) ×20 magnification, particularly a section of the haustorial endophyte. H = haustoria; P = host stem pith; PS = parasite stem; DX = differentiated xylem; E = endophyte; HX = host xylem; I = interface between host and parasite; IV = initial vascular core formation; CL = collapsed layer; HB = hyaline body.
