Endotrophic Mycorrhiza between a Gametophyte of Psilotum nudum (a Psilophyte) and an Unidentified Fungus |
a. Photo of the infected cortex of Psilotum that were taken with the help of a scanning electron microscope. The hyphae penetrate the walls of the host cells, they tangle or get lumpy in the cells. b. A gametophyte with screw-like wound hyphae in it (phase contrast). c. The endophyte of the fungus with terminal vesicles (b, c. interference contrast microscopy); R. L. PETERSON, M. J. HOWARTH, D. P. WHITTIER, 1981).
