Name requested: Rhizocarpon crystalligenum

Lichenologist 3 (1): 144. 12 (1): 89.

Heterotypic synonym: Rhizocarpon superficiale

	Lichenologist 3 (1): 144, 144. 12 (1): 89, 89.
	Lichens of North America null: 635.
	Mycotaxon 18 (1): 175, 178. 40: 389. 48: 258, 266, 267.

Heterotypic synonym: Rhizocarpon superficiale subsp. boreale

	Lichenologist 3 (1): 144. 12 (1): 89.
	Mycotaxon 53: 105.