Name requested: Ustilago aculeata

	Annales Mycologici 38 (5-6): 461.
	Mycologia 43 (1): 70.
	Mycotaxon 41 (2): 491.
	Sydowia 5 (1-2): 41.
	Transactions of the Mycological Society of Japan 30 (4): 457.

Homotypic synonym: Tilletia aculeata

	Mycotaxon 41 (2): 491.
	Transactions of the Mycological Society of Japan 30 (4): 457.

Heterotypic synonym: Ustilago elymicola

	Annales Mycologici 32 (3-4): 286.
	Mycotaxon 41 (2): 491.
	Transactions of the Mycological Society of Japan 30 (4): 457.

Heterotypic synonym: Ustilago macrospora

	Mycologia 2 (6): 268. 11 (4): 202. 12 (5): 281. 13 (3): 181.
	Mycotaxon 41 (2): 491.

Heterotypic synonym: Ustilago serpens

	Mycotaxon 31 (2): 401, 403. 41 (2): 490, 491.
	Transactions of the Mycological Society of Japan 30 (4): 445.