Name requested: Peltigera didactyla

	Lichenologist 16 (3): 217. 27 (1): 48.
	Lichens of North America null: 7, 503, 507, 508, 509, 511, 521.
	Mycotaxon 27: 477. 35 (2): 384, 388. 40: 244. 48: 257. 51: 2, 3. 53: 103. 58: 214, 215, 226. 74 (2): 436, 437, 442. 77: 329.

Heterotypic synonym: Peltigera spuria

	Lichenologist 3 (1): 137, 137, 137, 137. 12 (1): 74, 74, 74, 74.
	Lichens of North America null: 507.
	Mycotaxon 27: 477. 40: 244. 53: 103. 58: 214, 215.

Heterotypic synonym: Peltigera erumpens

	Lichenologist 3 (1): 137. 12 (1): 74.
	Mycotaxon 27: 477.