Catalogue no.:	L-1141152
Taxon:	Placodium arenarium
Label:	Placodium arenarium
Family:	Lichenes
Collector:	C. Flagey
Exsiccate:	Flagey, Lich. Alger. 66
Country:	Algeria
Province:	Constantine
Locality:	Constantine
Habitat:	A. R. Sur les cailloux siliceux roulés