Ustilago hordei (Persoon) Lagerhans
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Martinez-Espinoza AD, et al. Morphological and mutational analysis of mating in Ustilago hordei. Exp. Mycol. 17: 200-214, 1993.
Martinez-Espanoza AD, et al. Improved media for testing the mating reaction and genetic complementation of Ustilago hordei. Can. J. Bot. 70: 788-793, 1992.